ao - robtex.com
ao
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.ns.ao ⭐ | ||||||
| A | 2620:171:804:ad2::4🇺🇸 UNSPECIFIED2620:171:804::/48 Packet Clearing House - Anycast Prefix | ||||||
| A | 206.51.254.4🇺🇸 UNSPECIFIED206.51.254.0/24 Packet Clearing House - Anycast Prefix | ||||||
| NS | ao-e.ns.nic.cz | ||||||
| A | 2001:148f:fffd::13🇨🇿 CZNIC-AS2001:148f:fffd::/48 Second CZ Anycast | ||||||
| PTR | ao-e.ns.nic.cz | ||||||
| A | 185.43.134.13🇨🇿 CZNIC-AS185.43.134.0/24 Second CZ Anycast | ||||||
| PTR | ao-e.ns.nic.cz | ||||||
| NS | ao02.dns.pt | ||||||
| A | 2a04:6d80::29🇵🇹 DNSPT2a04:6d80::/32 Associacao DNS.PT | ||||||
| PTR | ao02.dns.pt | ||||||
| A | 185.39.208.29🇵🇹 DNSPT185.39.208.0/24 Associacao DNS.PT | ||||||
| PTR | ao02.dns.pt | ||||||
| NS | etld-1.anycast.net | ||||||
| A | 2607:f740:45::54🇺🇸 NETACTUATE2607:f740:45::/48 NetActuate, Inc | ||||||
| A | 45.54.45.54🇺🇸 NETACTUATE45.54.45.0/24 NetActuate, Inc | ||||||
| PTR | 54.45.54.45.ptr.anycast.net | ||||||
| SOA | a.ns.aohostmaster@dns.ao serial=1776986102 | ||||||
(root)
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.root-servers.net ⭐ ⚠️ Not in parent delegation | ||||||
| NS | b.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | c.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | d.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | e.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | f.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | g.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | h.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | i.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | j.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | k.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | l.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | m.root-servers.net ⚠️ Not in parent delegation | ||||||
| SOA | a.root-servers.netnstld@verisign-grs.com 2026-04-23 #1 | ||||||
Subdomains
Same first word
Similar names
DNS History
15 records (4 active, 11 former)
●NSa.ns.ao2026-02-14 → 2026-04-24 · 3 obs
● 2026-02-14 16:24:24
● 2026-04-24 02:54:20
●NSao-e.ns.nic.cz2026-02-14 → 2026-04-24 · 3 obs
● 2026-02-14 16:24:24
● 2026-04-24 02:54:20
○NSao01.dns.pt2016-06-28 → 2022-01-08 · 5 obs
● 2016-06-28 08:06:40
● 2022-01-08 18:45:54
○ 2026-02-14 16:24:24
○ 2026-04-24 02:54:20
○NSao01.dns.pt.ao2016-06-28 → 2017-07-09 · 5 obs
● 2016-06-28 08:06:40
● 2017-07-09 21:10:42
○ 2017-07-13 14:41:12
○ 2026-04-24 02:54:20
●NSao02.dns.pt2026-02-14 → 2026-04-24 · 3 obs
● 2026-02-14 16:24:24
● 2026-04-24 02:54:20
○NSao03.dns.pt2016-07-04 → 2022-01-08 · 5 obs
● 2016-07-04 06:21:46
● 2022-01-08 18:45:54
○ 2026-02-14 16:24:24
○ 2026-04-24 02:54:20
○NSauth02.ns.uu.net2015-09-04 → 2019-12-23 · 4 obs
● 2019-12-23 14:11:58
○ 2020-01-26 21:25:06
○ 2026-04-24 02:54:20
●NSetld-1.anycast.net2026-02-14 → 2026-04-24 · 3 obs
● 2026-02-14 16:24:24
● 2026-04-24 02:54:20
○NSh.dns.pt2020-01-26 → 2022-01-08 · 5 obs
● 2020-01-26 21:25:06
● 2022-01-08 18:45:54
○ 2026-02-14 16:24:24
○ 2026-04-24 02:54:20
○NSns-ext.isc.org2015-09-04 → 2019-12-23 · 4 obs
● 2019-12-23 14:11:58
○ 2020-01-26 21:25:06
○ 2026-04-24 02:54:20
○NSns02.dns.ao2015-09-04 → 2020-03-23 · 4 obs
● 2020-03-23 16:42:04
○ 2020-04-08 21:20:52
○ 2026-04-24 02:54:20
○NSns02.fccn.pt2015-09-04 → 2017-09-26 · 4 obs
● 2017-09-26 02:34:18
○ 2017-09-29 14:15:38
○ 2026-04-24 02:54:20
○NSns03.fccn.pt2015-09-04 → 2017-11-06 · 4 obs
● 2017-11-06 10:46:42
○ 2017-11-21 02:34:10
○ 2026-04-24 02:54:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ao | a.ns.ao, ao02.dns.pt, ao-e.ns.nic.cz, etld-1.anycast.net | 8 records |
✅ Authoritative Response
Server:185.39.208.29
NS records: a.ns.ao, ao02.dns.pt, ao-e.ns.nic.cz, etld-1.anycast.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ao (unsigned zone)
⏱️ Timing
Total: 580ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | etld-1.anycast.net, ao-e.ns.nic.cz... |
| SOA | 1 | a.ns.ao hostmaster.dns.ao |
📌 Glue Records Collected
Total: 8
In-bailiwick: 2 (a.ns.ao, a.ns.ao)
Out-of-bailiwick: 6 (etld-1.anycast.net, ao02.dns.pt, ao-e.ns.nic.cz...)
Analysis
Hierarchy
ao is a parent of ees.ao, servidor.ao, pmkt.ao, angolapress-angop.ao, supertorres.ao and hundreds of other host names.
Name Servers
ao is delegated to four name servers: a.ns.ao, etld-1.anycast.net, ao02.dns.pt and ao-e.ns.nic.cz.
ao shares name servers with other domains at least partially, for example na.
these name servers are commonly used with na.anycastdns.cz, anyc2.irondns.net and na-ns.anycast.pch.net.
Host names with two IP numbers:
a.ns.ao points to: 2620:171:804:ad2::4 and 206.51.254.4.
etld-1.anycast.net points to: 2607:f740:45::54 and 45.54.45.54.
ao02.dns.pt points to: 2a04:6d80::29 and 185.39.208.29.
ao-e.ns.nic.cz points to: 2001:148f:fffd::13 and 185.43.134.13.