cnug.dk

📜 Historical scan 2026-06-16 21:51:18 · ← 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 186ms

Nameserver	IP addresses	PTR	ASN / ISP
kristin.ns.cloudflare.com	—	—	—
tony.ns.cloudflare.com	—	—	—

🌍 A Records#

2 records 177ms

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

📧 MX Records#

5 records 122ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	—	aspmx.l.google.com	209.85.233.27	lr-in-f27.1e100.net	AS15169 Google LLC
5	—	alt1.aspmx.l.google.com	192.178.158.27	lcdels-in-f27.1e100.net	AS15169 Google LLC
5	—	alt2.aspmx.l.google.com	172.253.158.27	so-in-f27.1e100.net	AS15169 Google LLC
10	—	aspmx4.googlemail.com	108.177.125.26	tp-in-f26.1e100.net	AS15169 Google LLC
10	—	aspmx5.googlemail.com	192.178.230.27	yunrtab-in-f27.1e100.net	AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records 159ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:7::7d	—	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/43	🇺🇸 United States	San Francisco
2a06:98c1:58::7d	—	—	AS13335	Cloudflare, Inc.	2a06:98c1:58:0:0:0:0:0/47	🇺🇸 United States	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 316ms

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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

299ms

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

🏷️ SOA#

179ms

Field	Value
Serial	2406523386
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#

186ms

177ms

122ms

AAAA

159ms

TXT

316ms

CAA

175ms

HTTPS

215ms

TLSA

299ms

SOA

179ms

MTA-STS

197ms

DNSSEC

299ms

SRV

0ms

Total

2194ms

🕐 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	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 shown	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