markussen.dk

📜 Historical scan 2026-09-23 23:13:00 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

markussen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail.markussen.dk, mail2.markussen.dk. 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#

2 records 42ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 47ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.90.146.104	43200s	—	—	—	—	🇸🇪 Sweden	—

📧 MX Records#

2 records 31ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	1000s	mail.markussen.dk	3.122.144.51	mail.markussen.dk	AS16509 Amazon.com, Inc.
11	1000s	mail2.markussen.dk	3.122.144.51	mail.markussen.dk	AS16509 Amazon.com, Inc.

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	93.90.146.104
🔶 Autoconfig	93.90.146.104

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 174ms

TXT Record
v=spf1 a mx ptr include:cybercity.dk include:mailgate.cybercity.dk include:tina.andersenit.dk ~all

✉️ SPF#

Policy	Record (markussen.dk)
~all (soft fail)	v=spf1 a mx ptr include:cybercity.dk include:mailgate.cybercity.dk include:tina.andersenit.dk ~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 2026-10-11 10:10:03

www	93.90.146.104 (address records, no CNAME)
www vs bare domain	Same network markussen.dk: 93.90.146.104 www.markussen.dk: 93.90.146.104
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 9/10 · policy: ~all

warn "ptr" is slow, unreliable and discouraged (RFC 7208 §5.5)
error include:mailgate.cybercity.dk has no SPF record: receivers that reach it return permerror (RFC 7208 §5.2)
error include:tina.andersenit.dk has no SPF record: receivers that reach it return permerror (RFC 7208 §5.2)
warn 9 of the 10 allowed DNS lookups used: one more include can break SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

117ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026092201
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

42ms

47ms

31ms

AAAA

27ms

TXT

174ms

CAA

33ms

HTTPS

30ms

TLSA

16036ms

SOA

0ms

MTA-STS

64ms

DNSSEC

117ms

SRV

62ms

Total

16730ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 23:58:21	6523ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-28 01:53:31	16577ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-26 01:26:39	4485ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-25 23:52:12	16568ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-23 23:13:00 shown	16730ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-20 13:43:02	5732ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-17 02:38:33	7220ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-15 21:01:04	4819ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-12 01:50:10	5922ms	2 NS 1 A 2 MX	🔒 Secure
2026-07-20 11:48:10	4865ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-18 06:58:56	4567ms	2 NS 1 A 2 MX	🔒 Secure