seek4.dk

📜 Historical scan 2026-06-28 00:40:24 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

seek4.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 20 September 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 79.125.22.245 is hosted by Amazon.com, Inc. (AS16509) in Ireland. Mail is handled by seek4-dk.mail.protection.outlook.com. 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#

4 records 35ms

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
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
79.125.22.245	3600s	ec2-79-125-22-245.eu-west-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	79.125.0.0/17	🇮🇪 Ireland	Dublin

📧 MX Records#

1 records 46ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	seek4-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca09::2 2a01:111:f403:ca09::e 2a01:111:f403:ca09::f 52.101.68.15 52.101.68.18 52.101.68.3 52.101.68.36	mail-du2pr03cu00102.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.56

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 63ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

2 records 131ms

TXT Record
MS=ms26161184
v=spf1 include:spf.protection.outlook.com include:authsmtp.com include:ip4:217.72.255.83 ip4:79.125.3.61 include:mxserver.seek4.dk include:mailanyone.net include:fusemail.net include:web01.seek4.net include:ip4:93.90.115.200 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (seek4.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:authsmtp.com include:ip4:217.72.255.83 ip4:79.125.3.61 include:mxserver.seek4.dk include:mailanyone.net include:fusemail.net include:web01.seek4.net include:ip4:93.90.115.200 include:spf.protection.outlook.com -all

📨 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 2026-10-12 23:25:22

www CNAME	seek4.dk (all on seek4.dk) → 79.125.22.245 (AS16509)
www vs bare domain	Same network seek4.dk: 79.125.22.245 (AS16509) www.seek4.dk: 79.125.22.245 (AS16509)
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

🔎 SPF check#

zone-wide SPF report

DNS lookups: 14/10 · policy: -all

error include:ip4:217.72.255.83 has no SPF record: receivers that reach it return permerror (RFC 7208 §5.2)
error include:ip4:93.90.115.200 has no SPF record: receivers that reach it return permerror (RFC 7208 §5.2)
error 14 DNS lookups: the limit is 10, so a receiver whose evaluation gets past the 10th returns permerror (SPF fails)

🔗 TLSA / DANE#

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

🔐 DNSSEC#

56ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

35ms

Field	Value
Serial	2024021500
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 18:17:58

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2006-09-20
Expires	2027-09-30 (344d)

🔗 Same registrant#

2 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).

Domain	Registrar
autoteket.dk	Punktum dk A/S (direct)
seek4cars.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

35ms

33ms

46ms

AAAA

47ms

TXT

131ms

CAA

45ms

HTTPS

37ms

TLSA

222ms

SOA

35ms

MTA-STS

35ms

DNSSEC

56ms

SRV

63ms

Total

891ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 23:25:22	1237ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-01 13:28:29	1307ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-30 13:22:49	1104ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-26 20:38:48	889ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-28 04:18:10	1093ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-28 00:40:24 shown	891ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-24 17:02:36	920ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-23 14:45:45	1048ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-22 22:26:58	1865ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-17 19:54:49	1324ms	4 NS 1 A 1 MX	🔒 Secure