gao.dk

📜 Historical scan 2026-06-19 06:25:47  ·  ← 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   73ms
NameserverIP addressesPTRASN / ISP
ns.pi.dk 188.138.2.24 static-ip-188-138-2-24.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   35ms
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   62ms
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#

116ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

113ms
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 (374d)

🔗 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
73ms
A
35ms
MX
62ms
AAAA
72ms
TXT
511ms
CAA
197ms
HTTPS
51ms
TLSA
70ms
SOA
113ms
MTA-STS
153ms
DNSSEC
116ms
SRV
214ms
Total
1077ms

🕐 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 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 shown 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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