guco.dk

📜 Historical scan 2026-10-02 06:50:25 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

guco.dk is a .dk domain served by 3 nameservers (ns1.contabo.net, ns2.contabo.net, ns3.contabo.net). It was registered on 25 January 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 161.97.117.158 is hosted by Contabo GmbH (AS51167) in France. Mail is handled by mail.guco.dk. The zone is not DNSSEC-signed, publishes a 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#

3 records 53ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.contabo.net	2a02:c207:ff00:1200::1 5.180.150.13	— ns1.contabo.net	AS51167 Contabo GmbH AS51167 Contabo GmbH
ns2.contabo.net	195.179.224.10 2a02:c202:5028:1200::1	ns2.contabo.net —	AS51167 Contabo GmbH AS51167 Contabo GmbH
ns3.contabo.net	209.126.15.15 2605:a140:5028:1200::1	ns3.contabo.net —	AS40021 Contabo Inc. AS40021 Contabo Inc.

🌍 A Records#

1 records 53ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
161.97.117.158	86400s	server.happyclient.dk	AS51167	Contabo GmbH	161.97.64.0/18	🇫🇷 France	Lauterbourg

📧 MX Records#

1 records 138ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	86400s	mail.guco.dk	161.97.117.158	server.happyclient.dk	AS51167 Contabo GmbH

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	161.97.117.158
🔶 Autoconfig	161.97.117.158

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 312ms

TXT Record
v=spf1 +mx +a +ip4:161.97.117.158 ~all

✉️ SPF#

Policy	Record (guco.dk)
~all (soft fail)	v=spf1 +mx +a +ip4:161.97.117.158 ~all

📨 DMARC#

Policy	Record (_dmarc.guco.dk)
p=quarantine	v=DMARC1;p=quarantine;

📬 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 2026-10-17 00:10:17

www	161.97.117.158 (AS51167) (address records, no CNAME)
www vs bare domain	Same network guco.dk: 161.97.117.158 (AS51167) www.guco.dk: 161.97.117.158 (AS51167)
Wildcard	Yes: any name under the zone resolves

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

127ms

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

🏷️ SOA#

149ms

Field	Value
Serial	1790916624
Primary NS (MNAME)	ns1.contabo.net
Responsible (RNAME)	hostmaster@contabo.de
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-12 18:36:46

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2012-01-25
Expires	2027-01-31 (105d)

🔗 Same registrant#

4 domains

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
gospel-workshop.dk	Punktum dk A/S (direct)
gospelmusik.dk	Punktum dk A/S (direct)
gucobooking.dk	Punktum dk A/S (direct)
heidibisgaard.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

53ms

138ms

AAAA

52ms

TXT

312ms

CAA

53ms

HTTPS

144ms

TLSA

90ms

SOA

149ms

MTA-STS

81ms

DNSSEC

127ms

SRV

200ms

Total

916ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-17 00:10:17	2132ms	3 NS 1 A 1 MX	🔓 Insecure
2026-10-15 23:17:27	1261ms	3 NS 1 A 1 MX	🔓 Insecure
2026-10-14 21:12:00	981ms	3 NS 1 A 1 MX	🔓 Insecure
2026-10-13 19:54:26	1685ms	3 NS 1 A 1 MX	🔓 Insecure
2026-10-12 18:23:28	1767ms	3 NS 1 A 1 MX	🔓 Insecure
2026-10-10 15:54:18	2301ms	3 NS 1 A 1 MX	🔓 Insecure
2026-10-09 01:12:13	900ms	3 NS 1 A 1 MX	🔓 Insecure
2026-10-08 01:09:38	3487ms	3 NS 1 A 1 MX	🔓 Insecure
2026-10-07 12:23:05	2194ms	3 NS 1 A 1 MX	🔓 Insecure
2026-10-06 07:27:39	694ms	3 NS 1 A 1 MX	🔓 Insecure
2026-10-05 06:59:44	693ms	3 NS 1 A 1 MX	🔓 Insecure
2026-10-04 06:53:12	816ms	3 NS 1 A 1 MX	🔓 Insecure
2026-10-03 06:51:41	628ms	3 NS 1 A 1 MX	🔓 Insecure
2026-10-02 06:50:25 shown	916ms	3 NS 1 A 1 MX	🔓 Insecure
2026-10-01 06:44:40	1409ms	3 NS 1 A 1 MX	🔓 Insecure
2026-10-01 02:25:23	1195ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-30 02:07:48	893ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-29 01:59:21	1018ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-28 01:33:45	918ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-27 01:26:46	1248ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-26 01:14:56	9642ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-25 18:20:16	928ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-24 17:56:50	974ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-23 16:37:10	774ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-17 19:48:50	823ms	3 NS 1 A 1 MX	🔓 Insecure