smus.dk

📜 Historical scan 2026-08-30 05:35:22 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

smus.dk is a .dk domain served by 2 nameservers (dana.ns.cloudflare.com, peyton.ns.cloudflare.com). It was registered on 18 September 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx.simply.com. The zone is not DNSSEC-signed, 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 35ms

Nameserver	IP addresses	PTR	ASN / ISP
dana.ns.cloudflare.com	108.162.192.105 172.64.32.105 173.245.58.105 2606:4700:50::adf5:3a69 2803:f800:50::6ca2:c069 2a06:98c1:50::ac40:2069	dana.ns.cloudflare.com dana.ns.cloudflare.com dana.ns.cloudflare.com dana.ns.cloudflare.com dana.ns.cloudflare.com dana.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
peyton.ns.cloudflare.com	108.162.193.221 172.64.33.221 173.245.59.221 2606:4700:58::adf5:3bdd 2803:f800:50::6ca2:c1dd 2a06:98c1:50::ac40:21dd	peyton.ns.cloudflare.com peyton.ns.cloudflare.com peyton.ns.cloudflare.com peyton.ns.cloudflare.com peyton.ns.cloudflare.com peyton.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#

1 records 44ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx.simply.com	94.231.106.20	mx.simply.com	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	104.21.19.249
🔶 Autoconfig	maildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 61ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com

📝 TXT Records#

1 records 152ms

TXT Record
v=spf1 include:spf.simply.com ?all

✉️ SPF#

Policy	Record (smus.dk)
?all (neutral)	v=spf1 include:spf.simply.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 2026-10-20 22:25:42

www	104.21.19.249 172.67.190.179 2606:4700:3030::6815:13f9 2606:4700:3036::ac43:beb3 (AS13335) (address records, no CNAME)
www vs bare domain	Only www resolves smus.dk: no address www.smus.dk: 104.21.19.249 172.67.190.179 2606:4700:3030::6815:13f9 2606:4700:3036::ac43:beb3 (AS13335) (all like this)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ?all

warn "?all" is neutral: it gives receivers no guidance, much like having no SPF

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.smus.dk	-nOlkKe6pJKHvyOqw0vhxmX2Qd5B9qqdiDrJuuWD9Bg
TXT	_acme-challenge.smus.dk	Ln_1y79IlewBo5pipRy56fFKMLkEsECyMlJkLvFcvfw

🔗 TLSA / DANE#

2 records 40ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	A9D603AF4D7ED6B9246B4B68500CD6F2…
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	97A3BA009F39C761BFFB6574340E8138…

🔐 DNSSEC#

95ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2413517722
Primary NS (MNAME)	dana.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-10 04:47:47

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1997-09-18
Expires	2027-09-30 (339d)

📋 WHOIS#

⏱️ Lookup Timing#

35ms

33ms

44ms

AAAA

25ms

TXT

152ms

CAA

33ms

HTTPS

28ms

TLSA

40ms

SOA

0ms

MTA-STS

46ms

DNSSEC

95ms

SRV

61ms

Total

489ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-20 22:25:42	544ms	2 NS 0 A 1 MX	🔓 Insecure
2026-10-10 04:24:05	1309ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-31 13:53:17	1788ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-30 05:35:22 shown	489ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-12 00:38:08	3811ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-20 14:32:02	524ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-17 22:46:36	2499ms	2 NS 0 A 1 MX	🔓 Insecure