smub.dk DNS records

🖥️ Nameservers2 records 36ms

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 Records5 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	142.251.1.27 2a00:1450:4010:c07::1a 2a00:1450:4010:c07::1a	lb-in-f27.1e100.net lf-in-f26.1e100.net lf-in-x1a.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	300s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1a	lcdels-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt2.aspmx.l.google.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1b	mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	300s	alt3.aspmx.l.google.com	172.253.158.26 2404:6800:4003:c26::1a	so-in-f26.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	alt4.aspmx.l.google.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

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 178ms

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

🔗 TLSA / DANE

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

🔐 DNSSEC9084ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	2412616218
Primary NS (MNAME)	brenda.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

36ms

A

38ms

MX

42ms

AAAA

28ms

TXT

178ms

CAA

32ms

HTTPS

29ms

TLSA

102ms

SOA

0ms

MTA-STS

46ms

DNSSEC

9084ms

SRV

56ms

Total

10147ms

🕐 Scan History

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