smub.dk

📜 Historical scan 2026-06-24 05:23:15 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

smub.dk is a .dk domain served by 2 nameservers (brenda.ns.cloudflare.com, earl.ns.cloudflare.com). It was registered on 26 February 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is of unknown DNSSEC status, 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#

2 records 51ms

Nameserver	IP addresses	PTR	ASN / ISP
brenda.ns.cloudflare.com	108.162.192.77 172.64.32.77 173.245.58.77 2606:4700:50::adf5:3a4d 2803:f800:50::6ca2:c04d 2a06:98c1:50::ac40:204d	brenda.ns.cloudflare.com brenda.ns.cloudflare.com brenda.ns.cloudflare.com brenda.ns.cloudflare.com brenda.ns.cloudflare.com brenda.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
earl.ns.cloudflare.com	108.162.193.161 172.64.33.161 173.245.59.161 2606:4700:58::adf5:3ba1 2803:f800:50::6ca2:c1a1 2a06:98c1:50::ac40:21a1	earl.ns.cloudflare.com earl.ns.cloudflare.com earl.ns.cloudflare.com earl.ns.cloudflare.com earl.ns.cloudflare.com earl.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

🌍

No A records found

📧 MX Records#

5 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	600s	aspmx.l.google.com	108.177.14.26 2a00:1450:4010:c08::1b 2a00:1450:4010:c08::1b	lt-in-f26.1e100.net lg-in-f27.1e100.net lg-in-x1b.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	600s	alt1.aspmx.l.google.com	172.253.152.27 2404:6800:4003:c26::1a	yulpptr-in-f27.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	600s	alt2.aspmx.l.google.com	108.177.125.27 2404:6800:4003:c26::1b	tp-in-f27.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	600s	alt3.aspmx.l.google.com	108.177.125.27 2404:6800:400b:c01b::1a	tp-in-f27.1e100.net yunrtab-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	600s	alt4.aspmx.l.google.com	173.194.43.27 2404:6800:400b:c01b::1b	yudlsqd-in-f27.1e100.net yunrtab-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 200ms

TXT Record
v=spf1 include:_spf.google.com ~all

✉️ SPF#

Policy	Record (smub.dk)
~all (soft fail)	v=spf1 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 2026-10-17 20:32:56

www	NXDOMAIN
www vs bare domain	Neither resolves smub.dk: no address www.smub.dk: no address
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

101ms

Check	Result
Validation Status	❓ Unknown
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	broken trust chain resolving 'smub.dk/DS/IN': 127.0.0.1#53

🏷️ SOA#

45ms

Field	Value
Serial	2407514850
Primary NS (MNAME)	brenda.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-17 21:06:44

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2004-02-26
Expires	2027-02-28 (128d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

51ms

37ms

AAAA

38ms

TXT

200ms

CAA

57ms

HTTPS

56ms

TLSA

49ms

SOA

45ms

MTA-STS

57ms

DNSSEC

101ms

SRV

84ms

Total

953ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-17 20:32:56	763ms	2 NS 0 A 5 MX	🔓 Insecure
2026-10-08 06:32:48	2926ms	2 NS 0 A 5 MX	🔓 Insecure
2026-09-25 02:55:08	1228ms	2 NS 0 A 5 MX	🔓 Insecure
2026-09-04 01:43:51	10147ms	2 NS 0 A 5 MX	🔓 Insecure
2026-08-26 21:11:27	2570ms	2 NS 0 A 5 MX	🔓 Insecure
2026-08-20 08:45:24	9177ms	2 NS 0 A 5 MX	🔓 Insecure
2026-08-11 04:39:10	2152ms	2 NS 0 A 5 MX	🔓 Insecure
2026-06-25 05:16:56	904ms	2 NS 0 A 5 MX	🔓 Insecure
2026-06-24 05:23:15 shown	953ms	2 NS 0 A 5 MX	❓ Unknown
2026-06-22 07:13:29	1164ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 16:31:30	1528ms	2 NS 0 A 5 MX	🔓 Insecure
2026-06-19 20:09:22	1141ms	2 NS 0 A 5 MX	🔓 Insecure
2026-06-17 14:36:53	2074ms	2 NS 0 A 5 MX	⚠️ Bogus