mtrf.dk

Records from scan: 2026-10-04 07:26:56 · 449ms total · last checked 2026-10-19 18:59 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

mtrf.dk is a .dk domain served by 2 nameservers (aaden.ns.cloudflare.com, dee.ns.cloudflare.com). It was registered on 14 November 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.54.212 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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#

2 records 57ms

Nameserver	IP addresses	PTR	ASN / ISP
aaden.ns.cloudflare.com	108.162.195.92 162.159.44.92 172.64.35.92 2606:4700:58::a29f:2c5c 2803:f800:50::6ca2:c35c 2a06:98c1:50::ac40:235c	aaden.ns.cloudflare.com aaden.ns.cloudflare.com aaden.ns.cloudflare.com aaden.ns.cloudflare.com aaden.ns.cloudflare.com aaden.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
dee.ns.cloudflare.com	108.162.192.93 172.64.32.93 173.245.58.93 2606:4700:50::adf5:3a5d 2803:f800:50::6ca2:c05d 2a06:98c1:50::ac40:205d	dee.ns.cloudflare.com dee.ns.cloudflare.com dee.ns.cloudflare.com dee.ns.cloudflare.com dee.ns.cloudflare.com dee.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 40ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.54.212	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.142.76	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 72ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3036::ac43:8e4c	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:36d4	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 36ms

Priority	Target	SvcParams
1 service	.	alpn="h2" ipv4hint=104.21.54.212,172.67.142.76 ech=AEX+DQBBBwAgACBIFPrVdi5Fjwv83jOSeoXVSNUteq7SbtTpHQT032K3bAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3036::ac43:8e4c,2606:4700:3037::6815:36d4

📝 TXT Records#

1 records 182ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (mtrf.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.mtrf.dk)
p=reject	v=DMARC1; p=reject;sp=reject;pct=100; fo=1; ri=3600; rua=mailto:e43edf71cbeb923@rep.dmarcanalyzer.com; ruf=mailto:e43edf71cbeb923@for.dmarcanalyzer.com;adkim=s;aspf=s;

📬 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 2026-10-11 09:29:08

www	104.21.54.212 172.67.142.76 2606:4700:3036::ac43:8e4c 2606:4700:3037::6815:36d4 (AS13335) (address records, no CNAME)
www vs bare domain	Same network mtrf.dk: 104.21.54.212 172.67.142.76 2606:4700:3036::ac43:8e4c 2606:4700:3037::6815:36d4 (AS13335) www.mtrf.dk: 104.21.54.212 172.67.142.76 2606:4700:3036::ac43:8e4c 2606:4700:3037::6815:36d4 (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

92ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

37ms

Field	Value
Serial	2416498309
Primary NS (MNAME)	aaden.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-12 21:48:34

Field	Value
Registrar	101domain GRS Limited
Registered	2020-11-14
Expires	2026-11-30 (40d)

🔗 Same registrant#

1 domain

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
mtrtech.dk	101domain GRS Limited

📋 WHOIS#

⏱️ Lookup Timing#

57ms

40ms

60ms

AAAA

72ms

TXT

182ms

CAA

50ms

HTTPS

36ms

TLSA

48ms

SOA

37ms

MTA-STS

67ms

DNSSEC

92ms

SRV

71ms

Total

449ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-04 07:26:56 shown	449ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-03 07:26:07	417ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-01 07:22:12	595ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-27 23:35:48	541ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-21 13:36:59	1137ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-08 01:15:18	914ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-21 19:27:56	805ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-17 14:22:09	1846ms	2 NS 2 A 0 MX	🔓 Insecure