mertz-it.dk

Records from scan: 2026-10-16 00:41:10 · 520ms total · last checked 2026-10-17 00:55 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

mertz-it.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 8 December 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.156.200 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mertzit-dk01c.f-v1.mx.microsoft. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records 30ms

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 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.156.200	3600s	linux308.unoeuro.com	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records#

1 records 38ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
20	600s	mertzit-dk01c.f-v1.mx.microsoft	2a01:111:f403:c967::8 2a01:111:f403:c967::c 2a01:111:f403:ca04::9 2a01:111:f403:ca21::10 52.101.68.10 52.101.68.25 52.101.68.29 52.101.73.145	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-cpjpr05cu00204.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-matpr05cu00100.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-am6pr02cu00301.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 → 52.98.154.152
🔶 Autoconfig	93.191.156.200

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 76ms

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

📝 TXT Records#

4 records 134ms

TXT Record
_dmarc.mertz-it.dk 3600 IN TXT "v=DMARC1; p=none; pct=100
apple-domain-verification=VofkgGd9S98JKUPQ
MS=ms79634959
v=spf1 include:outlook.com include:spf.simply.com -all

✉️ SPF#

Policy	Record (mertz-it.dk)
-all (hard fail)	v=spf1 include:outlook.com include:spf.simply.com -all

📨 DMARC#

Policy	Record (_dmarc.mertz-it.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:dmarc@mertz-it.dk; pct=100

📬 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#

checked 2026-10-16 00:41:10

www	93.191.156.200 (AS48854) (address records, no CNAME)
www vs bare domain	Same network mertz-it.dk: 93.191.156.200 (AS48854) www.mertz-it.dk: 93.191.156.200 (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: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

4 records 70ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mertzit-dk01c.f-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	54883CC5F1849331E6BF5002C3129D20…
SMTP _25._tcp.mertzit-dk01c.f-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	EA7A25255D111FC3CE4CB8FABE3ADF9C…
SMTP _25._tcp.mertzit-dk01c.f-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	803F7447CC75B208DBCA042346F5D8DF…
SMTP _25._tcp.mertzit-dk01c.f-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	C1AD7778796D20BCA65C889A26550211…

🔐 DNSSEC#

67ms

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

🏷️ SOA#

31ms

Field	Value
Serial	2026101500
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 2026-10-12 19:41:18

Field	Value
Registrar	Simply.com A/S
Registered	2006-12-08
Expires	2026-12-31 (74d)

🔗 Same registrant#

4 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
3born.dk	Simply.com A/S
birkhus.dk	Simply.com A/S
mortenm.dk	Simply.com A/S
omertz.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

30ms

34ms

38ms

AAAA

38ms

TXT

134ms

CAA

30ms

HTTPS

43ms

TLSA

70ms

SOA

31ms

MTA-STS

37ms

DNSSEC

67ms

SRV

76ms

Total

520ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 00:41:10 shown	520ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-12 19:22:20	486ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-02 06:25:32	1026ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-27 10:08:31	1197ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-22 23:10:12	873ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-20 11:05:45	802ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-17 17:20:43	1998ms	4 NS 1 A 1 MX	🔒 Secure