mtrtech.dk

📜 Historical scan 2026-06-17 14:40:04 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

mtrtech.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 104.21.40.6 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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 54ms

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 59ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.40.6	—	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.172.219	—	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 47ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::6815:2806	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:acdb	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 48ms

Priority	Target	SvcParams
1 service	.	alpn="h2" ipv4hint=104.21.40.6,172.67.172.219 ech=AEX+DQBBOwAgACAG1eGjqSgaba5UXmh5eE84iX3ffsXq/5DpIUhEmpCbbQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:2806,2606:4700:3036::ac43:acdb

📝 TXT Records#

1 records 173ms

TXT Record
v=spf1 -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.mtrtech.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#

latest probe, not this scan · checked 2026-10-08 03:25:55

www	104.21.40.6 172.67.172.219 2606:4700:3032::6815:2806 2606:4700:3037::ac43:acdb (AS13335) (address records, no CNAME)
www vs bare domain	Same network mtrtech.dk: 104.21.40.6 172.67.172.219 2606:4700:3032::6815:2806 2606:4700:3037::ac43:acdb (AS13335) www.mtrtech.dk: 104.21.40.6 172.67.172.219 2606:4700:3032::6815:2806 2606:4700:3037::ac43:acdb (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#

158ms

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

🏷️ SOA#

46ms

Field	Value
Serial	2406704576
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 2026-10-17 05:09:32

Field	Value
Registrar	101domain GRS Limited
Registered	2020-11-14
Expires	2026-11-30 (41d)

🔗 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
mtrf.dk	101domain GRS Limited

📋 WHOIS#

⏱️ Lookup Timing#

54ms

59ms

56ms

AAAA

47ms

TXT

173ms

CAA

47ms

HTTPS

48ms

TLSA

2076ms

SOA

46ms

MTA-STS

180ms

DNSSEC

158ms

SRV

0ms

Total

3372ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 22:19:54	616ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-19 15:55:09	2915ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-04 19:13:35	567ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-21 04:58:48	1337ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-24 14:53:53	2701ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-24 11:02:48	1182ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 11:30:09	551ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-17 14:40:04 shown	3372ms	2 NS 2 A 0 MX	🔓 Insecure