yrt.dk

📜 Historical scan 2026-06-17 13:13:57 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

yrt.dk is a .dk domain served by 2 nameservers (ns61.domaincontrol.com, ns62.domaincontrol.com). It was registered on 13 January 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 15.197.148.33 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by mx01.kolabnow.com. The zone is not DNSSEC-signed, 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 88ms

Nameserver	IP addresses	PTR	ASN / ISP
ns61.domaincontrol.com	2603:5:2153::20 97.74.101.32	ns61.domaincontrol.com ns61.domaincontrol.com	AS44273 Host Europe GmbH AS44273 Host Europe GmbH
ns62.domaincontrol.com	173.201.69.32 2603:5:2253::20	ns62.domaincontrol.com ns62.domaincontrol.com	AS44273 Host Europe GmbH AS44273 Host Europe GmbH

🌍 A Records#

2 records 71ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
15.197.148.33	—	a2aa9ff50de748dbe.awsglobalaccelerator.com	AS16509	Amazon.com, Inc.	15.196.0.0/14	🇺🇸 United States	—
3.33.130.190	—	a2aa9ff50de748dbe.awsglobalaccelerator.com	AS16509	Amazon.com, Inc.	3.33.128.0/17	🇺🇸 United States	—

📧 MX Records#

1 records 73ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mx01.kolabnow.com	185.254.79.30 185.254.79.31	kolabnow.com kolabnow.com	AS15576 NTS workspace AG AS15576 NTS workspace AG

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 197ms

TXT Record
kolab-verify=912eff46908e92ddf10e490c37ec8394

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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 2026-10-08 05:18:11

www CNAME	yrt.dk (all on yrt.dk) → 15.197.148.33 3.33.130.190 (AS16509)
www vs bare domain	Same network yrt.dk: 15.197.148.33 3.33.130.190 (AS16509) www.yrt.dk: 15.197.148.33 3.33.130.190 (AS16509)
Wildcard	No

🔗 TLSA / DANE#

2 records 318ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx01.kolabnow.com	DANE-EE · Full cert · SHA-256	41B01929AFEBCF769577C1B3B9D41F0B…
SMTP _25._tcp.mx01.kolabnow.com	DANE-EE · Full cert · SHA-256	C48641B0A3AA38C42B6C5BFD42A25D63…

🔐 DNSSEC#

267ms

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

🏷️ SOA#

67ms

Field	Value
Serial	2023091900
Primary NS (MNAME)	ns61.domaincontrol.com
Responsible (RNAME)	dns@jomax.net
Refresh	28800s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-07 17:32:56

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2017-01-13
Expires	2034-01-31 (2662d)

📋 WHOIS#

⏱️ Lookup Timing#

88ms

71ms

73ms

AAAA

120ms

TXT

197ms

CAA

63ms

HTTPS

96ms

TLSA

318ms

SOA

67ms

MTA-STS

322ms

DNSSEC

267ms

SRV

0ms

Total

2164ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-06-24 10:11:25	962ms	2 NS 2 A 1 MX	❓ Unknown
2026-06-17 13:13:57 shown	2164ms	2 NS 2 A 1 MX	🔓 Insecure