gao.dk

📜 Historical scan 2026-08-13 15:10:32  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

gao.dk is a .dk domain served by 3 nameservers (ns.pi.dk, ns2.pi.dk, ns3.pi.dk). It was registered on 11 October 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 188.138.4.36 is hosted by velia.net Internetdienste GmbH (AS29066) in France. Mail is handled by gao.dk. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records   59ms
NameserverIP addressesPTRASN / ISP
ns.pi.dk 188.138.4.36 static-ip-188-138-4-36.inaddr.ip-pool.com AS29066 velia.net Internetdienste GmbH
ns2.pi.dk 194.99.45.76 — AS204866 Microdata Aps
ns3.pi.dk 212.237.177.6 ns3.pi.dk AS204151 EWII Bredbaand A/S

🌍 A Records#

1 records   65ms
IPTTLPTRASNISP / OrgCIDRCountryCity
188.138.4.36 7200s static-ip-188-138-4-36.inaddr.ip-pool.com AS29066 velia.net Internetdienste GmbH 188.138.0.0/21 🇫🇷 France Strasbourg

📧 MX Records#

1 records   65ms
PriorityTTLMail ServerIP addressesPTRASN
0 7200s gao.dk 188.138.4.36 static-ip-188-138-4-36.inaddr.ip-pool.com AS29066 velia.net Internetdienste GmbH

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover188.138.4.36
🔶 Autoconfig188.138.4.36

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝
No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-16 18:14:26
www188.138.4.36 (AS29066) (address records, no CNAME)
www vs bare domainSame network
gao.dk: 188.138.4.36 (AS29066)
www.gao.dk: 188.138.4.36 (AS29066)
WildcardYes: any name under the zone resolves

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

76ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

54ms
FieldValue
Serial2023091800
Primary NS (MNAME)ns.pi.dk
Responsible (RNAME)hostmaster@pi.dk
Refresh7200s
Retry3600s
Expire2600000s
Minimum (neg-cache TTL)7200s

📋 Registration#

WHOIS fetched 2026-10-20 22:57:37
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2004-10-11
Expires2027-10-31 (375d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet
📋 WHOIS#

⏱️ Lookup Timing#

NS
59ms
A
65ms
MX
65ms
AAAA
49ms
TXT
308ms
CAA
59ms
HTTPS
68ms
TLSA
76ms
SOA
54ms
MTA-STS
93ms
DNSSEC
76ms
SRV
121ms
Total
4839ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-16 18:14:26 5431ms 3 NS 1 A 1 MX 🔓 Insecure
2026-09-30 02:06:01 612ms 3 NS 1 A 1 MX 🔓 Insecure
2026-09-27 11:08:46 2652ms 3 NS 1 A 1 MX 🔓 Insecure
2026-08-28 10:10:12 776ms 3 NS 1 A 1 MX 🔓 Insecure
2026-08-27 03:32:43 2645ms 3 NS 1 A 1 MX 🔓 Insecure
2026-08-13 15:10:32 shown 4839ms 3 NS 1 A 1 MX 🔓 Insecure
2026-06-25 16:26:08 4409ms 3 NS 1 A 1 MX 🔓 Insecure
2026-06-22 17:56:42 1190ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-20 15:47:16 3221ms 3 NS 1 A 1 MX 🔓 Insecure
2026-06-19 23:47:49 8750ms 3 NS 1 A 1 MX 🔓 Insecure
2026-06-19 06:25:47 1077ms 3 NS 1 A 1 MX 🔓 Insecure
2026-06-17 09:40:51 5170ms 3 NS 1 A 1 MX 🔓 Insecure
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