koster-andersen.dk

📜 Historical scan 2026-10-02 21:37:07 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

koster-andersen.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx01.mail.icloud.com, mx02.mail.icloud.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#

3 records 39ms

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#

2 records 51ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx01.mail.icloud.com	17.42.251.62 17.56.9.31 17.57.152.5 17.57.152.5 17.57.154.33 17.57.155.25 17.57.156.30	mx3.mail.icloud.com — smtp1.ic4-privaterelay.appleid.com ic4-privaterelay.appleid.com — — —	AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc.
10	3600s	mx02.mail.icloud.com	17.42.251.62 17.56.9.31 17.57.152.5 17.57.152.5 17.57.154.33 17.57.155.25 17.57.156.30	mx3.mail.icloud.com — smtp1.ic4-privaterelay.appleid.com ic4-privaterelay.appleid.com — — —	AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc.

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 114ms

TXT Record
apple-domain=yo20VzUwu0gkX7nW
v=spf1 include:icloud.com ~all

✉️ SPF#

Policy	Record (koster-andersen.dk)
~all (soft fail)	v=spf1 include:icloud.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 2026-10-13 10:06:11

www	NXDOMAIN
www vs bare domain	Neither resolves koster-andersen.dk: no address www.koster-andersen.dk: no address
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: 5/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

128ms

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

🏷️ SOA#

39ms

Field	Value
Serial	2026100200
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

39ms

32ms

51ms

AAAA

36ms

TXT

114ms

CAA

30ms

HTTPS

43ms

TLSA

105ms

SOA

39ms

MTA-STS

56ms

DNSSEC

128ms

SRV

46ms

Total

927ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 10:06:11	689ms	3 NS 0 A 2 MX	🔒 Secure
2026-10-02 21:37:07 shown	927ms	3 NS 0 A 2 MX	🔒 Secure
2026-09-23 18:44:38	594ms	3 NS 0 A 2 MX	🔒 Secure
2026-08-28 06:33:32	1374ms	3 NS 0 A 2 MX	🔒 Secure
2026-06-20 04:46:58	761ms	3 NS 0 A 2 MX	🔒 Secure
2026-06-19 22:58:40	11572ms	3 NS 0 A 2 MX	🔒 Secure
2026-06-18 03:33:31	3075ms	3 NS 0 A 2 MX	🔒 Secure