DNS lookup
Everything DNS says about a domain: traced from the root servers down, every record type asked of the domain's own nameservers, each nameserver checked, then every hostname and policy record it points at followed, with SPF, DMARC, DKIM and DNSSEC checked along the way.
148.163.206.65
65.206.163.148.in-addr.arpa
Zone 206.163.148.in-addr.arpa152 queries in 1.4 s2026-11-09 06:12:57 UTCNot DNSSEC-signed
- Warning The parent zone delegates to dns1.p01.nsone.net, dns2.p01.nsone.net, dns3.p01.nsone.net, dns4.p01.nsone.net, ns01.5naans.com, ns02.5naans.com, ns03.5naans.com, ns04.5naans.com but 206.163.148.in-addr.arpa itself lists dns1.p02.nsone.net, dns2.p02.nsone.net, dns3.p02.nsone.net, dns4.p02.nsone.net, ns01.5naans.com, ns02.5naans.com, ns03.5naans.com, ns04.5naans.com. Make the two lists match.
- Note 206.163.148.in-addr.arpa isn't signed with DNSSEC, so resolvers can't tell forged answers from real ones.
Records
Asked directly of dns2.p01.nsone.net (198.51.45.1), an authoritative server: no cache in between, so these are the live values.
PTR Reverse pointer
| 3600 | PTR | ns02.5naans.com. |
ANY query: refused politely (RFC 8482)
| 3600 | HINFO | "RFC8482" "" |
No records of type A, AAAA, CNAME, DNAME, NS, SOA, MX, TXT, CAA, HTTPS, SVCB, SRV, NAPTR, DS, DNSKEY, CDS, CDNSKEY, NSEC3PARAM, TLSA, SSHFP, LOC, HINFO, RP, URI, SPF, OPENPGPKEY, ZONEMD, CSYNC.
Resolution trace
- .asked f.root-servers.net 192.5.5.2416.5 ms
Referral to in-addr.arpa. signed (4 DS)
- a.in-addr-servers.arpa 199.180.182.53 2620:37:e000::53
- b.in-addr-servers.arpa 199.253.183.183 2001:500:87::87
- c.in-addr-servers.arpa 196.216.169.10 2001:43f8:110::10
- d.in-addr-servers.arpa 200.10.60.53 2001:13c7:7010::53
- e.in-addr-servers.arpa 203.119.86.101 2001:dd8:6::101
- f.in-addr-servers.arpa 193.0.9.1 2a13:27c0:30::1
- in-addr.arpa.asked a.in-addr-servers.arpa 199.180.182.5393 ms
Referral to 148.in-addr.arpa. signed (1 DS)
- x.arin.net 199.180.180.63 2001:500:f0::63
- r.arin.net 199.180.180.63 2001:500:f0::63
- z.arin.net 199.180.180.63 2001:500:f0::63
- arin.authdns.ripe.net 193.0.9.10 2a13:27c0:30::10
- u.arin.net 204.61.216.50 2001:500:14:6050:ad::1
- y.arin.net 192.82.134.30 2001:500:127::30
No glue for x.arin.net, r.arin.net, z.arin.net, arin.authdns.ripe.net, u.arin.net, y.arin.net: addresses looked up via a resolver.
196.216.169.10 failed: NOERROR
- 148.in-addr.arpa.asked u.arin.net 204.61.216.505.8 ms
Referral to 206.163.148.in-addr.arpa. unsigned delegation
- ns03.5naans.com 148.163.206.129 2607:f740:e624:8::1
- dns2.p01.nsone.net 198.51.45.1 2a00:edc0:6259:7:1::2
- ns01.5naans.com 148.163.206.1 2607:f740:e624::1
- dns3.p01.nsone.net 198.51.44.65 2620:4d:4000:6259:7:1:0:3
- dns1.p01.nsone.net 198.51.44.1 2620:4d:4000:6259:7:1:0:1
- ns04.5naans.com 148.163.206.193 2607:f740:e624:c::1
- dns4.p01.nsone.net 198.51.45.65 2a00:edc0:6259:7:1::4
- ns02.5naans.com 148.163.206.65 2607:f740:e624:4::1
No glue for ns03.5naans.com, dns2.p01.nsone.net, ns01.5naans.com, dns3.p01.nsone.net, dns1.p01.nsone.net, ns04.5naans.com, dns4.p01.nsone.net, ns02.5naans.com: addresses looked up via a resolver.
- 206.163.148.in-addr.arpa.asked ns03.5naans.com 148.163.206.12993 ms
Answer (authoritative):
65.206.163.148.in-addr.arpa. 3600 PTR ns02.5naans.com.
Nameservers
Every address of every nameserver, asked for 206.163.148.in-addr.arpa's SOA. "Parent" means the 148.in-addr.arpa zone delegates to it; "zone" means 206.163.148.in-addr.arpa lists it itself.
| Nameserver | Listed in | Address | Status | Serial | Time |
|---|---|---|---|---|---|
| dns1.p01.nsone.net | parent | 198.51.44.1 glue | authoritative | 1600422142 | 13 ms |
| 2620:4d:4000:6259:7:1:0:1 glue | authoritative | 1600422142 | 15 ms | ||
| dns1.p02.nsone.net | zone | 198.51.44.2 | authoritative | 1600422142 | 13 ms |
| 2620:4d:4000:6259:7:2:0:1 | authoritative | 1600422142 | 14 ms | ||
| dns2.p01.nsone.net | parent | 198.51.45.1 glue | authoritative | 1600422142 | 6.2 ms |
| 2a00:edc0:6259:7:1::2 glue | authoritative | 1600422142 | 14 ms | ||
| dns2.p02.nsone.net | zone | 198.51.45.2 | authoritative | 1600422142 | 6.6 ms |
| 2a00:edc0:6259:7:2::2 | authoritative | 1600422142 | 14 ms | ||
| dns3.p01.nsone.net | parent | 198.51.44.65 glue | authoritative | 1600422142 | 14 ms |
| 2620:4d:4000:6259:7:1:0:3 glue | authoritative | 1600422142 | 14 ms | ||
| dns3.p02.nsone.net | zone | 198.51.44.66 | authoritative | 1600422142 | 16 ms |
| 2620:4d:4000:6259:7:2:0:3 | authoritative | 1600422142 | 16 ms | ||
| dns4.p01.nsone.net | parent | 198.51.45.65 glue | authoritative | 1600422142 | 6.7 ms |
| 2a00:edc0:6259:7:1::4 glue | authoritative | 1600422142 | 13 ms | ||
| dns4.p02.nsone.net | zone | 198.51.45.66 | authoritative | 1600422142 | 6.6 ms |
| 2a00:edc0:6259:7:2::4 | authoritative | 1600422142 | 14 ms | ||
| ns01.5naans.com | parent + zone | 148.163.206.1 glue | authoritative | 1600422142 | 101 ms |
| 2607:f740:e624::1 glue | authoritative | 1600422142 | 94 ms | ||
| ns02.5naans.com | parent + zone | 148.163.206.65 glue | authoritative | 1600422142 | 104 ms |
| 2607:f740:e624:4::1 glue | authoritative | 1600422142 | 93 ms | ||
| ns03.5naans.com | parent + zone | 148.163.206.129 glue | authoritative | 1600422142 | 101 ms |
| 2607:f740:e624:8::1 glue | authoritative | 1600422142 | 94 ms | ||
| ns04.5naans.com | parent + zone | 148.163.206.193 glue | authoritative | 1600422142 | 101 ms |
| 2607:f740:e624:c::1 glue | authoritative | 1600422142 | 94 ms |
DNSSEC
206.163.148.in-addr.arpa isn't signed: no DS at the parent and no DNSKEY in the zone.
Hosts and reverse DNS
Every hostname the records point at, resolved to its addresses; each address's PTR (reverse DNS), with ✓ where the PTR name resolves back to the same address.
| Host | Address | Reverse DNS (PTR) |
|---|---|---|
dns1.p01.nsone.net nameserver | 198.51.44.1 | dns1.p01.nsone.net ✓ |
| 2620:4d:4000:6259:7:1:0:1 | dns1.p01.nsone.net ✓ | |
dns1.p02.nsone.net nameserver | 198.51.44.2 | dns1.p02.nsone.net ✓ |
| 2620:4d:4000:6259:7:2:0:1 | dns1.p02.nsone.net ✓ | |
dns2.p01.nsone.net nameserver | 198.51.45.1 | dns2.p01.nsone.net ✓ |
| 2a00:edc0:6259:7:1::2 | dns2.p01.nsone.net ✓ | |
dns2.p02.nsone.net nameserver | 198.51.45.2 | dns2.p02.nsone.net ✓ |
| 2a00:edc0:6259:7:2::2 | dns2.p02.nsone.net ✓ | |
dns3.p01.nsone.net nameserver | 198.51.44.65 | dns3.p01.nsone.net ✓ |
| 2620:4d:4000:6259:7:1:0:3 | dns3.p01.nsone.net ✓ | |
dns3.p02.nsone.net nameserver | 198.51.44.66 | dns3.p02.nsone.net ✓ |
| 2620:4d:4000:6259:7:2:0:3 | dns3.p02.nsone.net ✓ | |
dns4.p01.nsone.net nameserver | 198.51.45.65 | dns4.p01.nsone.net ✓ |
| 2a00:edc0:6259:7:1::4 | dns4.p01.nsone.net ✓ | |
dns4.p02.nsone.net nameserver | 198.51.45.66 | dns4.p02.nsone.net ✓ |
| 2a00:edc0:6259:7:2::4 | dns4.p02.nsone.net ✓ | |
ns01.5naans.com nameserver | 148.163.206.1 | ns01.5naans.com ✓ |
| 2607:f740:e624::1 | none | |
ns02.5naans.com nameserver · PTR target | 148.163.206.65 | ns02.5naans.com ✓ |
| 2607:f740:e624:4::1 | none | |
ns03.5naans.com nameserver | 148.163.206.129 | ns03.5naans.com ✓ |
| 2607:f740:e624:8::1 | none | |
ns04.5naans.com nameserver | 148.163.206.193 | ns04.5naans.com ✓ |
| 2607:f740:e624:c::1 | none |
Public resolvers
What four public resolvers answer right now, from their caches. Highlighted values differ from the authoritative answer: either a recent change they haven't picked up yet (the TTL says how long until they do), or, for A and AAAA, a CDN or geo-routed site handing each resolver location its own addresses.
| Resolver | PTR |
|---|---|
| Cloudflare 1.1.1.1 | ns02.5naans.com. TTL 3600 |
| Google 8.8.8.8 | ns02.5naans.com. TTL 3600 |
| Quad9 9.9.9.9 | ns02.5naans.com. TTL 3600 |
| OpenDNS 208.67.222.222 | ns02.5naans.com. TTL 3600 |
Text dump
; DNS report for 65.206.163.148.in-addr.arpa (148.163.206.65) ; 2026-11-09 06:12:57 UTC, 152 queries in 1.44 s, zone 206.163.148.in-addr.arpa ;; FINDINGS ; [WARN] The parent zone delegates to dns1.p01.nsone.net, dns2.p01.nsone.net, dns3.p01.nsone.net, dns4.p01.nsone.net, ns01.5naans.com, ns02.5naans.com, ns03.5naans.com, ns04.5naans.com but 206.163.148.in-addr.arpa itself lists dns1.p02.nsone.net, dns2.p02.nsone.net, dns3.p02.nsone.net, dns4.p02.nsone.net, ns01.5naans.com, ns02.5naans.com, ns03.5naans.com, ns04.5naans.com. Make the two lists match. ; [INFO] 206.163.148.in-addr.arpa isn't signed with DNSSEC, so resolvers can't tell forged answers from real ones. ;; RECORDS (authoritative, from dns2.p01.nsone.net (198.51.45.1)) 65.206.163.148.in-addr.arpa. 3600 IN PTR ns02.5naans.com. ;; TRACE ; 65.206.163.148.in-addr.arpa PTR ; . @f.root-servers.net (192.5.5.241) 6.5 ms [NOERROR qr]: referral to in-addr.arpa. in-addr.arpa. NS a.in-addr-servers.arpa. ; 199.180.182.53 2620:37:e000::53 in-addr.arpa. NS b.in-addr-servers.arpa. ; 199.253.183.183 2001:500:87::87 in-addr.arpa. NS c.in-addr-servers.arpa. ; 196.216.169.10 2001:43f8:110::10 in-addr.arpa. NS d.in-addr-servers.arpa. ; 200.10.60.53 2001:13c7:7010::53 in-addr.arpa. NS e.in-addr-servers.arpa. ; 203.119.86.101 2001:dd8:6::101 in-addr.arpa. NS f.in-addr-servers.arpa. ; 193.0.9.1 2a13:27c0:30::1 in-addr.arpa. 86400 IN DS 47054 8 2 5CAFCCEC201D1933B4C9F6A9C8F51E51F3B39979058AC21B8DF1B1F281CBC6F2 in-addr.arpa. 86400 IN DS 53696 8 2 13E5501C56B20394DA921B51412D48B7089C5EB6957A7C58553C4D4D424F04DF in-addr.arpa. 86400 IN DS 54956 8 2 E0E2BF5CFBD66572CA05EC18267D91509BA6A9405AF05C3FD4141DFA45200C08 in-addr.arpa. 86400 IN DS 63982 8 2 AAF4FB5D213EF25AE44679032EBE3514C487D7ABD99D7F5FEC3383D030733C73 ; in-addr.arpa. @a.in-addr-servers.arpa (199.180.182.53) 93 ms [NOERROR qr]: referral to 148.in-addr.arpa. 148.in-addr.arpa. NS x.arin.net. ; 199.180.180.63 2001:500:f0::63 148.in-addr.arpa. NS r.arin.net. ; 199.180.180.63 2001:500:f0::63 148.in-addr.arpa. NS z.arin.net. ; 199.180.180.63 2001:500:f0::63 148.in-addr.arpa. NS arin.authdns.ripe.net. ; 193.0.9.10 2a13:27c0:30::10 148.in-addr.arpa. NS u.arin.net. ; 204.61.216.50 2001:500:14:6050:ad::1 148.in-addr.arpa. NS y.arin.net. ; 192.82.134.30 2001:500:127::30 148.in-addr.arpa. 86400 IN DS 18451 8 2 16C0B095D3DDB9F9F85DB0FAEAA87823F9FE847BC07E514C48F7E78E23A712F7 ; 148.in-addr.arpa. @u.arin.net (204.61.216.50) 5.8 ms [NOERROR qr]: referral to 206.163.148.in-addr.arpa. 206.163.148.in-addr.arpa. NS ns03.5naans.com. ; 148.163.206.129 2607:f740:e624:8::1 206.163.148.in-addr.arpa. NS dns2.p01.nsone.net. ; 198.51.45.1 2a00:edc0:6259:7:1::2 206.163.148.in-addr.arpa. NS ns01.5naans.com. ; 148.163.206.1 2607:f740:e624::1 206.163.148.in-addr.arpa. NS dns3.p01.nsone.net. ; 198.51.44.65 2620:4d:4000:6259:7:1:0:3 206.163.148.in-addr.arpa. NS dns1.p01.nsone.net. ; 198.51.44.1 2620:4d:4000:6259:7:1:0:1 206.163.148.in-addr.arpa. NS ns04.5naans.com. ; 148.163.206.193 2607:f740:e624:c::1 206.163.148.in-addr.arpa. NS dns4.p01.nsone.net. ; 198.51.45.65 2a00:edc0:6259:7:1::4 206.163.148.in-addr.arpa. NS ns02.5naans.com. ; 148.163.206.65 2607:f740:e624:4::1 ; 206.163.148.in-addr.arpa. @ns03.5naans.com (148.163.206.129) 93 ms [NOERROR qr aa]: answer 65.206.163.148.in-addr.arpa. 3600 IN PTR ns02.5naans.com. ;; NAMESERVERS (SOA asked of each address) ; dns1.p01.nsone.net [parent] ; 198.51.44.1 ok 1600422142 13 ms ; 2620:4d:4000:6259:7:1:0:1 ok 1600422142 15 ms ; dns1.p02.nsone.net [zone] ; 198.51.44.2 ok 1600422142 13 ms ; 2620:4d:4000:6259:7:2:0:1 ok 1600422142 14 ms ; dns2.p01.nsone.net [parent] ; 198.51.45.1 ok 1600422142 6.2 ms ; 2a00:edc0:6259:7:1::2 ok 1600422142 14 ms ; dns2.p02.nsone.net [zone] ; 198.51.45.2 ok 1600422142 6.6 ms ; 2a00:edc0:6259:7:2::2 ok 1600422142 14 ms ; dns3.p01.nsone.net [parent] ; 198.51.44.65 ok 1600422142 14 ms ; 2620:4d:4000:6259:7:1:0:3 ok 1600422142 14 ms ; dns3.p02.nsone.net [zone] ; 198.51.44.66 ok 1600422142 16 ms ; 2620:4d:4000:6259:7:2:0:3 ok 1600422142 16 ms ; dns4.p01.nsone.net [parent] ; 198.51.45.65 ok 1600422142 6.7 ms ; 2a00:edc0:6259:7:1::4 ok 1600422142 13 ms ; dns4.p02.nsone.net [zone] ; 198.51.45.66 ok 1600422142 6.6 ms ; 2a00:edc0:6259:7:2::4 ok 1600422142 14 ms ; ns01.5naans.com [parent+zone] ; 148.163.206.1 ok 1600422142 101 ms ; 2607:f740:e624::1 ok 1600422142 94 ms ; ns02.5naans.com [parent+zone] ; 148.163.206.65 ok 1600422142 104 ms ; 2607:f740:e624:4::1 ok 1600422142 93 ms ; ns03.5naans.com [parent+zone] ; 148.163.206.129 ok 1600422142 101 ms ; 2607:f740:e624:8::1 ok 1600422142 94 ms ; ns04.5naans.com [parent+zone] ; 148.163.206.193 ok 1600422142 101 ms ; 2607:f740:e624:c::1 ok 1600422142 94 ms ;; DNSSEC: unsigned ;; HOSTS ; dns1.p01.nsone.net (nameserver) ; 198.51.44.1 PTR dns1.p01.nsone.net (confirmed) ; 2620:4d:4000:6259:7:1:0:1 PTR dns1.p01.nsone.net (confirmed) ; dns1.p02.nsone.net (nameserver) ; 198.51.44.2 PTR dns1.p02.nsone.net (confirmed) ; 2620:4d:4000:6259:7:2:0:1 PTR dns1.p02.nsone.net (confirmed) ; dns2.p01.nsone.net (nameserver) ; 198.51.45.1 PTR dns2.p01.nsone.net (confirmed) ; 2a00:edc0:6259:7:1::2 PTR dns2.p01.nsone.net (confirmed) ; dns2.p02.nsone.net (nameserver) ; 198.51.45.2 PTR dns2.p02.nsone.net (confirmed) ; 2a00:edc0:6259:7:2::2 PTR dns2.p02.nsone.net (confirmed) ; dns3.p01.nsone.net (nameserver) ; 198.51.44.65 PTR dns3.p01.nsone.net (confirmed) ; 2620:4d:4000:6259:7:1:0:3 PTR dns3.p01.nsone.net (confirmed) ; dns3.p02.nsone.net (nameserver) ; 198.51.44.66 PTR dns3.p02.nsone.net (confirmed) ; 2620:4d:4000:6259:7:2:0:3 PTR dns3.p02.nsone.net (confirmed) ; dns4.p01.nsone.net (nameserver) ; 198.51.45.65 PTR dns4.p01.nsone.net (confirmed) ; 2a00:edc0:6259:7:1::4 PTR dns4.p01.nsone.net (confirmed) ; dns4.p02.nsone.net (nameserver) ; 198.51.45.66 PTR dns4.p02.nsone.net (confirmed) ; 2a00:edc0:6259:7:2::4 PTR dns4.p02.nsone.net (confirmed) ; ns01.5naans.com (nameserver) ; 148.163.206.1 PTR ns01.5naans.com (confirmed) ; 2607:f740:e624::1 PTR none ; ns02.5naans.com (nameserver; PTR target) ; 148.163.206.65 PTR ns02.5naans.com (confirmed) ; 2607:f740:e624:4::1 PTR none ; ns03.5naans.com (nameserver) ; 148.163.206.129 PTR ns03.5naans.com (confirmed) ; 2607:f740:e624:8::1 PTR none ; ns04.5naans.com (nameserver) ; 148.163.206.193 PTR ns04.5naans.com (confirmed) ; 2607:f740:e624:c::1 PTR none ;; PUBLIC RESOLVERS ; Cloudflare PTR ns02.5naans.com. ttl 3600 ; Google PTR ns02.5naans.com. ttl 3600 ; Quad9 PTR ns02.5naans.com. ttl 3600 ; OpenDNS PTR ns02.5naans.com. ttl 3600