mx.dk

📜 Historical scan 2026-06-18 08:00:02 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

mx.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 3 December 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 54.229.227.235 is hosted by Amazon.com, Inc. (AS16509) in Ireland. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 36ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

3 records 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
54.229.227.235	—	ec2-54-229-227-235.eu-west-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	54.228.0.0/14	🇮🇪 Ireland	Dublin
99.81.92.240	—	ec2-99-81-92-240.eu-west-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	99.80.0.0/15	🇮🇪 Ireland	Dublin
99.81.96.47	—	ec2-99-81-96-47.eu-west-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	99.80.0.0/15	🇮🇪 Ireland	Dublin

📧 MX Records#

5 records 39ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	—	aspmx.l.google.com	142.250.147.27 2a00:1450:4010:c02::1a 2a00:1450:4010:c02::1a	rd-in-f27.1e100.net le-in-f26.1e100.net le-in-x1a.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	—	alt1.aspmx.l.google.com	192.178.211.26 2404:6800:4003:c26::1a	lcbomp-in-f26.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	—	alt2.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	—	aspmx2.googlemail.com	172.253.158.26 2404:6800:4000:1025::1a	so-in-f26.1e100.net lcbomp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	—	aspmx3.googlemail.com	172.253.158.26 2404:6800:4008:c01::1a	so-in-f26.1e100.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#

2 records 240ms

TXT Record
google-site-verification=I5sPDnsa4ZehMt6B4pp1peQxNyh_kNdg5Hc7w2VTTTQ
v=spf1 include:_u._spf.mx.dk._spf.dmarcly.com -all

✉️ SPF#

Policy	Record (mx.dk)
-all (hard fail)	v=spf1 include:_u._spf.mx.dk._spf.dmarcly.com -all

📨 DMARC#

Policy	Record (_dmarc.mx.dk)
p=reject	v=DMARC1; p=reject; sp=reject; rua=mailto:5e440eaecbab4@ag.dmarcly.com; ruf=mailto:5e440eaecbab4@fo.dmarcly.com; adkim=s; pct=100; 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#

latest probe, not this scan · checked 2026-10-07 15:57:36

www	NXDOMAIN
www vs bare domain	www does not resolve mx.dk: 54.229.227.235 99.81.92.240 99.81.96.47 (AS16509) www.mx.dk: no address (all like this)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

error include:_u._spf.mx.dk._spf.dmarcly.com has no SPF record: receivers that reach it return permerror (RFC 7208 §5.2)

🔗 TLSA / DANE#

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

🔐 DNSSEC#

93ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

39ms

Field	Value
Serial	2026032401
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-06 14:51:29

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1998-12-03
Expires	2027-12-31 (430d)

📋 WHOIS#

⏱️ Lookup Timing#

36ms

33ms

39ms

AAAA

115ms

TXT

240ms

CAA

97ms

HTTPS

35ms

TLSA

84ms

SOA

39ms

MTA-STS

33ms

DNSSEC

93ms

SRV

136ms

Total

1015ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-06 14:42:37	3518ms	2 NS 3 A 5 MX	🔒 Secure
2026-09-30 13:39:51	814ms	2 NS 3 A 5 MX	🔒 Secure
2026-09-30 09:35:55	1006ms	2 NS 3 A 5 MX	🔒 Secure
2026-09-23 08:26:07	1086ms	2 NS 3 A 5 MX	🔒 Secure
2026-06-22 13:36:41	846ms	2 NS 3 A 5 MX	🔒 Secure
2026-06-21 06:08:12	1143ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 08:00:02 shown	1015ms	2 NS 3 A 5 MX	🔒 Secure