sers.dk

📜 Historical scan 2026-10-03 15:57:00 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sers.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 12 October 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. The zone is DNSSEC-signed and validates, 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 87ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

🌍

No A records found

📧 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 2026-10-03 15:57:00

www	NXDOMAIN
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

307ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

70ms

Field	Value
Serial	2026100300
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-13 02:18:35

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2025-10-12
Expires	2026-10-11 (expired)

📋 WHOIS#

⏱️ Lookup Timing#

87ms

112ms

119ms

AAAA

101ms

TXT

304ms

CAA

99ms

HTTPS

101ms

TLSA

41ms

SOA

70ms

MTA-STS

129ms

DNSSEC

307ms

SRV

117ms

Total

1261ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-22 22:32:35	113ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-21 16:09:18	204ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-20 08:00:40	127ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-19 07:30:22	307ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-18 06:58:53	227ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-17 06:19:22	355ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-17 06:18:44	500ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-16 04:54:48	404ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-15 02:45:13	104ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-14 02:19:51	117ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-13 01:42:55	955ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-03 15:57:00 shown	1261ms	3 NS 0 A 0 MX	🔒 Secure
2026-09-30 15:28:54	538ms	3 NS 0 A 0 MX	🔒 Secure
2026-09-08 18:59:52	408ms	3 NS 0 A 0 MX	🔒 Secure
2026-08-27 18:34:00	391ms	3 NS 0 A 0 MX	🔒 Secure
2026-06-28 12:21:45	475ms	3 NS 0 A 0 MX	🔒 Secure
2026-06-27 23:51:30	442ms	3 NS 0 A 0 MX	🔒 Secure
2026-06-17 13:22:23	2777ms	3 NS 0 A 0 MX	🔒 Secure