mu.dk

Records from scan: 2026-10-12 17:19:33 · 680ms total · last checked 2026-10-23 10:28 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

mu.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 11 January 1999 (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 5 more. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 38ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

🌍

No A records found

📧 MX Records#

7 records 38ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	2a00:1450:4010:c03::1a 2a00:1450:4010:c03::1a 74.125.131.26	lr-in-f26.1e100.net lr-in-x1a.1e100.net lu-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	3600s	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	3600s	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	3600s	aspmx2.googlemail.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
10	3600s	aspmx3.googlemail.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1a	yukulwh-in-f26.1e100.net mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	3600s	aspmx4.googlemail.com	172.253.158.26 2404:6800:4003:c26::1b	so-in-f26.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	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

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 119ms

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

✉️ SPF#

Policy	Record (mu.dk)
~all (soft fail)	v=spf1 include:_spf.google.com ~all

📨 DMARC#

Policy	Record (_dmarc.mu.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:chime@mu.dk; fo=1

📬 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#

checked 2026-10-12 17:19:33

www	NXDOMAIN
www vs bare domain	Neither resolves mu.dk: no address www.mu.dk: no address
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 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#

57ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

41ms

Field	Value
Serial	2026101200
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-12 17:34:33

Field	Value
Registrar	Simply.com A/S
Registered	1999-01-11
Expires	2027-03-31 (158d)

🔗 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#

38ms

36ms

38ms

AAAA

31ms

TXT

119ms

CAA

30ms

HTTPS

35ms

TLSA

135ms

SOA

41ms

MTA-STS

37ms

DNSSEC

57ms

SRV

50ms

Total

680ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 17:19:33 shown	680ms	3 NS 0 A 7 MX	🔒 Secure
2026-10-09 12:28:30	1204ms	3 NS 0 A 7 MX	🔒 Secure
2026-10-04 07:04:45	546ms	3 NS 0 A 7 MX	🔒 Secure
2026-10-01 06:56:32	646ms	3 NS 0 A 7 MX	🔒 Secure
2026-09-29 20:55:38	754ms	3 NS 0 A 7 MX	🔒 Secure
2026-08-27 20:46:47	883ms	3 NS 0 A 7 MX	🔒 Secure
2026-08-14 21:04:31	1532ms	3 NS 0 A 7 MX	🔒 Secure
2026-08-11 15:14:32	6372ms	2 NS 0 A 7 MX	🔒 Secure
2026-08-10 03:24:36	1446ms	2 NS 0 A 7 MX	🔒 Secure
2026-07-17 18:48:08	5366ms	2 NS 0 A 7 MX	🔒 Secure
2026-07-13 13:05:10	1314ms	2 NS 0 A 7 MX	🔒 Secure
2026-07-09 04:27:01	28042ms	2 NS 0 A 7 MX	🔒 Secure
2026-07-02 15:06:27	820ms	2 NS 0 A 7 MX	🔒 Secure
2026-06-18 04:11:31	784ms	2 NS 0 A 7 MX	🔒 Secure