birkmtk.dk

📜 Historical scan 2026-06-27 22:14:15 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

birkmtk.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 30 October 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.106.43 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by birkmtk-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a 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 32ms

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#

1 records 30ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.106.43	3600s	linux25.unoeuro.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records#

1 records 28ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	birkmtk-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::a 2a01:111:f403:ca09::20 2a01:111:f403:ca09::d 52.101.68.10 52.101.73.16 52.101.73.19 52.101.73.8	mail-db4pr02cu00204.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com mail-am0pr04cu00500.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
🔶 Autoconfig	maildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

2 records 33ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

2 records 117ms

TXT Record
MS=ms71721367
v=spf1 include:spf.protection.outlook.com include:spf. -all

✉️ SPF#

Policy	Record (birkmtk.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf. -all

📨 DMARC#

Policy	Record (_dmarc.birkmtk.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com;

📬 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 2026-10-09 22:44:01

www	94.231.106.43 (AS48854) (address records, no CNAME)
www vs bare domain	Same network birkmtk.dk: 94.231.106.43 (AS48854) www.birkmtk.dk: 94.231.106.43 (AS48854)
Wildcard	Yes: any name under the zone resolves
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: 2/10 · policy: -all

error include:spf has no SPF record: receivers that reach it return permerror (RFC 7208 §5.2)

🔗 TLSA / DANE#

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

🔐 DNSSEC#

53ms

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

🏷️ SOA#

27ms

Field	Value
Serial	2025111605
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 2026-10-03 17:14:25

Field	Value
Registrar	Simply.com A/S
Registered	2025-10-30
Expires	2026-10-29 (12d)

📋 WHOIS#

⏱️ Lookup Timing#

32ms

30ms

28ms

AAAA

40ms

TXT

117ms

CAA

30ms

HTTPS

37ms

TLSA

210ms

SOA

27ms

MTA-STS

37ms

DNSSEC

53ms

SRV

33ms

Total

806ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 16:59:00	806ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-27 17:00:19	1839ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-25 21:50:32	1186ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-27 22:14:15 shown	806ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-16 14:48:43	562ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-16 14:40:44	1856ms	3 NS 1 A 1 MX	🔒 Secure