mx.dk

📜 Historical scan 2026-09-30 13:39:51 · ← 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 47ms

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 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
54.229.227.235	600s	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	600s	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	600s	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 52ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	173.194.73.26 2a00:1450:4010:c0f::1a 2a00:1450:4010:c0f::1a	lq-in-f26.1e100.net lt-in-x1a.1e100.net lt-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::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	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

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 186ms

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#

73ms

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

🏷️ SOA#

71ms

Field	Value
Serial	2026093001
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#

47ms

44ms

52ms

AAAA

49ms

TXT

186ms

CAA

39ms

HTTPS

42ms

TLSA

104ms

SOA

71ms

MTA-STS

62ms

DNSSEC

73ms

SRV

67ms

Total

814ms

🕐 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 shown	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	1015ms	2 NS 3 A 5 MX	🔒 Secure