cnug.dk

📜 Historical scan 2026-09-20 23:34:47 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cnug.dk is a .dk domain served by 2 nameservers (kristin.ns.cloudflare.com, tony.ns.cloudflare.com). It was registered on 14 May 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 162.159.140.127 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is not DNSSEC-signed, has no 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 33ms

Nameserver	IP addresses	PTR	ASN / ISP
kristin.ns.cloudflare.com	108.162.192.181 172.64.32.181 173.245.58.181 2606:4700:50::adf5:3ab5 2803:f800:50::6ca2:c0b5 2a06:98c1:50::ac40:20b5	kristin.ns.cloudflare.com kristin.ns.cloudflare.com kristin.ns.cloudflare.com kristin.ns.cloudflare.com kristin.ns.cloudflare.com kristin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
tony.ns.cloudflare.com	108.162.193.240 172.64.33.240 173.245.59.240 2606:4700:58::adf5:3bf0 2803:f800:50::6ca2:c1f0 2a06:98c1:50::ac40:21f0	tony.ns.cloudflare.com tony.ns.cloudflare.com tony.ns.cloudflare.com tony.ns.cloudflare.com tony.ns.cloudflare.com tony.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 27ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
162.159.140.127	300s	—	AS13335	Cloudflare, Inc.	162.159.128.0/19	—	—
172.66.0.125	300s	—	AS13335	Cloudflare, Inc.	172.66.0.0/22	—	—

📧 MX Records#

5 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	2a00:1450:4010:c06::1a 2a00:1450:4010:c06::1a 64.233.161.26	lj-in-x1a.1e100.net lj-in-f26.1e100.net lh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	300s	alt1.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1b	lcdels-in-f27.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt2.aspmx.l.google.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1b	yukulwh-in-f26.1e100.net mad01s14-in-f26.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	300s	aspmx4.googlemail.com	172.253.158.27 2404:6800:4003:c26::1b	so-in-f27.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	aspmx5.googlemail.com	108.177.125.27 2404:6800:4008:c01::1a	tp-in-f27.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	23.100.15.180
🔶 Autoconfig	23.100.15.180

🔷 AAAA Records (IPv6)#

2 records 31ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:7::7d	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	—	—
2a06:98c1:58::7d	300s	—	AS13335	Cloudflare, Inc.	2a06:98c1:58:0:0:0:0:0/47	—	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 162ms

TXT Record
google-site-verification=EBDswU96vNCom5GmBfR_6XxeRTr-znxlcf2YMzcFZJo
v=spf1 include:servers.mcsv.net include:spf.mandrillapp.com include:_spf.google.com ~all

✉️ SPF#

Policy	Record (cnug.dk)
~all (soft fail)	v=spf1 include:servers.mcsv.net include:spf.mandrillapp.com include:_spf.google.com ~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 2026-10-07 16:32:13

www CNAME	dns.umbraco.io (all on umbraco.io) → 162.159.140.127 172.66.0.125 2606:4700:7::7d 2a06:98c1:58::7d (AS13335)
www vs bare domain	Same network cnug.dk: 162.159.140.127 172.66.0.125 2606:4700:7::7d 2a06:98c1:58::7d (AS13335) www.cnug.dk: 162.159.140.127 172.66.0.125 2606:4700:7::7d 2a06:98c1:58::7d (AS13335)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.cnug.dk	-nVnOy2rsUkGd7mp_6Bae2bP4iudHcq3aPZGsF4ThGM
TXT	_acme-challenge.cnug.dk	aQJf4_n6uiN9-_oLv5OeX1bj-GE4NZNHPKHSi3PCOmU

🔗 TLSA / DANE#

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

🔐 DNSSEC#

106ms

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	2415337650
Primary NS (MNAME)	kristin.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-06 16:23:23

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2008-05-14
Expires	2027-05-31 (225d)

📋 WHOIS#

⏱️ Lookup Timing#

33ms

27ms

40ms

AAAA

31ms

TXT

162ms

CAA

37ms

HTTPS

36ms

TLSA

242ms

SOA

0ms

MTA-STS

60ms

DNSSEC

106ms

SRV

65ms

Total

1492ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-06 16:20:13	2283ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-23 13:41:31	807ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-20 23:34:47 shown	1492ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-10 01:42:33	4024ms	2 NS 2 A 5 MX	🔓 Insecure
2026-07-23 13:08:46	1368ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-30 18:20:37	1322ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-27 19:12:31	2429ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-16 21:51:18	2194ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-16 21:47:58	62202ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-16 21:30:28	667ms	2 NS 2 A 5 MX	🔓 Insecure