51153.dk

📜 Historical scan 2026-08-20 22:29:40  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

51153.dk is a .dk domain served by 2 nameservers (ns.nsd.dk, ns2.nsd.dk). It was registered on 23 May 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 45.79.249.226 is hosted by Akamai Connected Cloud (AS63949) in Germany. 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#

2 records   2079ms
NameserverIP addressesPTRASN / ISP
ns.nsd.dk 172.104.147.68 ns.nsd.dk AS63949 Akamai Connected Cloud
ns2.nsd.dk 62.242.205.2 ns2.nsd.dk AS3292 TDC Holding A/S

🌍 A Records#

1 records   66ms
IPTTLPTRASNISP / OrgCIDRCountryCity
45.79.249.226 3600s web001.nsdhosting.dk AS63949 Akamai Connected Cloud 45.79.240.0/20 🇩🇪 Germany Frankfurt am Main

📧 MX Records#

📧
No MX records found

🔷 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 2026-10-14 17:57:16
www CNAME51153.dk (all on 51153.dk)
www vs bare domainSame network
51153.dk: 45.79.249.226 (AS63949)
www.51153.dk: 45.79.249.226 (AS63949)
WildcardNo

🔗 TLSA / DANE#

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

🔐 DNSSEC#

4063ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2026082001
Primary NS (MNAME)ns.nsd.dk
Responsible (RNAME)info@nsd.dk
Refresh3600s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-05 09:06:40
FieldValue
RegistrarNETPLAN SYSTEM DESIGN.DK ApS
Registered2001-05-23
Expires2027-06-30 (256d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
2079ms
A
66ms
MX
65ms
AAAA
4052ms
TXT
6287ms
CAA
2075ms
HTTPS
2076ms
TLSA
47ms
SOA
0ms
MTA-STS
2069ms
DNSSEC
4063ms
SRV
4052ms
Total
6754ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-14 17:57:16 1417ms 2 NS 1 A 0 MX 🔓 Insecure
2026-10-13 17:19:08 1251ms 2 NS 1 A 0 MX 🔓 Insecure
2026-10-09 09:32:27 687ms 2 NS 1 A 0 MX 🔓 Insecure
2026-10-08 13:25:50 1814ms 2 NS 1 A 0 MX 🔓 Insecure
2026-10-06 12:00:07 562ms 2 NS 1 A 0 MX 🔓 Insecure
2026-10-05 08:48:00 730ms 2 NS 1 A 0 MX 🔓 Insecure
2026-09-30 08:18:40 585ms 2 NS 1 A 0 MX 🔓 Insecure
2026-09-29 09:26:13 690ms 2 NS 1 A 0 MX 🔓 Insecure
2026-09-26 08:42:27 759ms 2 NS 1 A 0 MX 🔓 Insecure
2026-09-23 08:23:10 771ms 2 NS 1 A 0 MX 🔓 Insecure
2026-09-20 14:21:34 1731ms 2 NS 1 A 0 MX 🔓 Insecure
2026-09-10 18:43:31 884ms 2 NS 1 A 0 MX 🔓 Insecure
2026-09-05 04:48:14 9378ms 2 NS 1 A 0 MX 🔓 Insecure
2026-09-04 01:36:23 646ms 2 NS 1 A 0 MX 🔓 Insecure
2026-08-27 00:01:50 537ms 2 NS 1 A 0 MX 🔓 Insecure
2026-08-26 23:24:25 710ms 2 NS 1 A 0 MX 🔓 Insecure
2026-08-20 22:29:40 shown 6754ms 2 NS 1 A 0 MX 🔓 Insecure
2026-08-18 21:58:56 1237ms 2 NS 1 A 0 MX 🔓 Insecure
2026-08-16 17:35:04 1997ms 2 NS 1 A 0 MX 🔓 Insecure
2026-08-14 14:11:20 711ms 2 NS 1 A 0 MX 🔓 Insecure
2026-08-09 09:38:58 24538ms 2 NS 1 A 0 MX 🔓 Insecure
2026-08-06 06:45:38 927ms 2 NS 1 A 0 MX 🔓 Insecure
2026-08-01 02:10:42 706ms 2 NS 1 A 0 MX 🔓 Insecure
2026-07-25 05:37:55 786ms 2 NS 1 A 0 MX 🔓 Insecure
2026-07-24 05:15:14 9503ms 2 NS 1 A 0 MX 🔓 Insecure
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