guthy-renker.dk

📜 Historical scan 2026-10-03 00:19:21 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

guthy-renker.dk is a .dk domain served by 7 nameservers (ns1.markmonitor.com, ns2.markmonitor.com, ns3.markmonitor.com and 4 more). It was registered on 11 March 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 66.155.81.30 is hosted by Aptum Technologies (AS13768) in United Kingdom. Mail is handled by cluster1.us.messagelabs.com, cluster1a.us.messagelabs.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#

7 records 53ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.markmonitor.com	149.112.160.1 2620:10a:80a8::1	— —	AS55195 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements In AS55195 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements In
ns2.markmonitor.com	176.97.158.1 2001:67c:10b8::1	ns2.markmonitor.com ns2.markmonitor.com	AS207021 ipcom GmbH AS1921 ipcom GmbH
ns3.markmonitor.com	149.112.161.1 2620:10a:80a9::1	— —	AS394354 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements I AS394354 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements I
ns4.markmonitor.com	192.174.68.1 2001:67c:1bc::1	ns1.markmonitor.com ns1.markmonitor.com	AS1921 ipcom GmbH AS1921 ipcom GmbH
ns5.markmonitor.com	149.112.160.2 2620:10a:80a8::2	— —	AS55195 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements In AS55195 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements In
ns6.markmonitor.com	176.97.158.3 2001:67c:10b8::3	ns6.markmonitor.com ns6.markmonitor.com	AS207021 ipcom GmbH AS1921 ipcom GmbH
ns7.markmonitor.com	149.112.161.2 2620:10a:80a9::2	— —	AS394354 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements I AS394354 CIRA Canadian Internet Registration Authority Autorit Canadienne pour les enregistrements I

🌍 A Records#

1 records 37ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
66.155.81.30	600s	—	AS13768	Aptum Technologies	66.155.80.0/21	🇬🇧 United Kingdom	Portsmouth

📧 MX Records#

2 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	cluster1.us.messagelabs.com	67.219.246.208 67.219.246.210 67.219.246.215 67.219.247.106 67.219.247.202 67.219.247.204 67.219.250.212 67.219.250.218	mail907.messagelabs.com mail909.messagelabs.com mail901.messagelabs.com mail923.messagelabs.com mail930.messagelabs.com mail931.messagelabs.com mail943.messagelabs.com mail951.messagelabs.com	AS396982 Google LLC AS396982 Google LLC AS396982 Google LLC AS396982 Google LLC AS396982 Google LLC AS396982 Google LLC AS396982 Google LLC AS396982 Google LLC
20	300s	cluster1a.us.messagelabs.com	34.75.172.113	113.172.75.34.bc.googleusercontent.com	AS396982 Google LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ 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 2026-10-21 08:43:34

www	66.155.81.30 (AS13768) (address records, no CNAME)
www vs bare domain	Same network guthy-renker.dk: 66.155.81.30 (AS13768) www.guthy-renker.dk: 66.155.81.30 (AS13768)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

62ms

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

🏷️ SOA#

44ms

Field	Value
Serial	2017013002
Primary NS (MNAME)	ns1.markmonitor.com
Responsible (RNAME)	dburns@guthy-renker.com
Refresh	28800s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-24 20:58:04

Field	Value
Registrar	MarkMonitor Inc.
Registered	2009-03-11
Expires	2027-03-31 (156d)

🔗 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
shakeweight.dk	MarkMonitor Inc.

📋 WHOIS#

⏱️ Lookup Timing#

53ms

37ms

42ms

AAAA

37ms

TXT

199ms

CAA

24ms

HTTPS

45ms

TLSA

282ms

SOA

44ms

MTA-STS

65ms

DNSSEC

62ms

SRV

70ms

Total

1378ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-21 08:43:34	4930ms	7 NS 1 A 2 MX	🔓 Insecure
2026-10-03 00:19:21 shown	1378ms	7 NS 1 A 2 MX	🔓 Insecure
2026-09-27 10:16:50	1973ms	7 NS 1 A 2 MX	🔓 Insecure
2026-06-29 18:00:03	1511ms	7 NS 1 A 2 MX	🔓 Insecure
2026-06-28 08:02:34	1298ms	7 NS 1 A 2 MX	🔓 Insecure
2026-06-26 17:22:20	1638ms	7 NS 1 A 2 MX	🔓 Insecure
2026-06-17 10:14:55	3191ms	7 NS 1 A 2 MX	🔓 Insecure