guhring.dk

📜 Historical scan 2026-08-26 23:03:03 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

guhring.dk is a .dk domain served by 5 nameservers (ns.gbc.gmbh, ns.gbc.green, ns.gbc.jetzt and 2 more). It was registered on 20 June 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 212.97.109.131 is hosted by GBC GmbH Internet Service Center Ingenieurgesellschaft fuer Systemsoftware und Kommunikation (AS24766) in Germany. Mail is handled by mx1.guehring.de, mailsecure2.gbc.net. 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#

5 records 63ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.gbc.gmbh	49.12.121.173	ns.gbc.gmbh	AS24940 Hetzner Online GmbH
ns.gbc.green	192.174.68.104 2001:67c:1bc::104	ns1.anycastdns.ch ns.domrobot.com	AS1921 ipcom GmbH AS1921 ipcom GmbH
ns.gbc.jetzt	2a02:d500::53 45.87.158.53	c.xnameserver.de c.xnameserver.de	AS48596 InterNetworX Management GmbH AS48596 InterNetworX Management GmbH
ns.gbc.red	176.97.158.104 2001:67c:10b8::104	b.xnameserver.de b.xnameserver.de	AS207021 ipcom GmbH AS1921 ipcom GmbH
ns.gbc.systems	212.97.96.154	ns.gbc.systems	AS24766 GBC GmbH Internet Service Center Ingenieurgesellschaft fuer Systemsoftware und Kommunikation

🌍 A Records#

1 records 69ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
212.97.109.131	3600s	guehring.com	AS24766	GBC GmbH Internet Service Center Ingenieurgesellschaft fuer Systemsoftware und Kommunikation	212.97.96.0/19	🇩🇪 Germany	—

📧 MX Records#

2 records 70ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1.guehring.de	212.97.120.79	mx1.guehring.de	AS24766 GBC GmbH Internet Service Center Ingenieurgesellschaft fuer Systemsoftware und Kommunikation
20	3600s	mailsecure2.gbc.net	212.97.96.211	mailsecure2.gbc.net	AS24766 GBC GmbH Internet Service Center Ingenieurgesellschaft fuer Systemsoftware und Kommunikation

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 272ms

TXT Record
v=spf1 include:spf.guehring.de -all

✉️ SPF#

Policy	Record (guhring.dk)
-all (hard fail)	v=spf1 include:spf.guehring.de -all

📨 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 2026-10-15 04:39:24

www	212.97.109.131 (AS24766) (address records, no CNAME)
www vs bare domain	Same network guhring.dk: 212.97.109.131 (AS24766) www.guhring.dk: 212.97.109.131 (AS24766)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 8/10 · policy: -all

warn 8 of the 10 allowed DNS lookups used: one more include can break SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

132ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2025061708
Primary NS (MNAME)	ns.gbc.systems
Responsible (RNAME)	support@gbc.net
Refresh	3600s
Retry	900s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-17 22:30:45

Field	Value
Registrar	LEMARIT GmbH
Registered	2023-06-20
Expires	2027-06-19 (242d)

🔗 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
guehring.dk	LEMARIT GmbH

📋 WHOIS#

⏱️ Lookup Timing#

63ms

69ms

70ms

AAAA

95ms

TXT

272ms

CAA

61ms

HTTPS

88ms

TLSA

138ms

SOA

0ms

MTA-STS

111ms

DNSSEC

132ms

SRV

138ms

Total

2936ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 17:04:48	1785ms	5 NS 1 A 2 MX	🔓 Insecure
2026-09-30 01:26:36	722ms	5 NS 1 A 2 MX	🔓 Insecure
2026-09-27 15:00:50	8916ms	5 NS 1 A 2 MX	🔓 Insecure
2026-09-26 00:42:25	3355ms	5 NS 1 A 2 MX	🔓 Insecure
2026-09-12 06:25:06	6378ms	5 NS 1 A 2 MX	🔓 Insecure
2026-09-05 16:49:38	1797ms	5 NS 0 A 0 MX	🔓 Insecure
2026-08-26 23:03:03 shown	2936ms	5 NS 1 A 2 MX	🔓 Insecure
2026-06-23 06:14:39	1733ms	5 NS 1 A 2 MX	🔓 Insecure
2026-06-21 10:42:20	1115ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 10:07:55	5543ms	5 NS 1 A 2 MX	🔓 Insecure