mail123.dk

📜 Historical scan 2026-06-25 10:18:24 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

mail123.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 31 January 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 212.237.249.138 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx.mailfactory.blue. The zone is DNSSEC-signed and validates, 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 313ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.dandomain.dk	185.25.141.3 2a02:2339:4006:109::dd	ns.dandomain.dk ns.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.dandomain.dk	2a02:2339:1:108::dd:dd 91.197.248.66	ns2.dandomain.dk ns2.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 375ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
212.237.249.138	300s	proxy.lm.mailfactory.blue	AS48854	team.blue Denmark A/S	212.237.248.0/23	🇩🇰 Denmark	—

📧 MX Records#

1 records 284ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx.mailfactory.blue	212.237.249.136	—	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	front.lightmail.dk → 212.237.249.138
🔶 Autoconfig	front.lightmail.dk → 212.237.249.138

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 1035ms

TXT Record
v=spf1 include:lightmail.dk -all

✉️ SPF#

Policy	Record (mail123.dk)
-all (hard fail)	v=spf1 include:lightmail.dk -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 2026-10-09 12:28:22

www CNAME	front.lightmail.dk (all on lightmail.dk) → 212.237.249.138 (AS48854)
www vs bare domain	Same network mail123.dk: 212.237.249.138 (AS48854) www.mail123.dk: 212.237.249.138 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 6/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.mail123.dk	front.lightmail.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

651ms

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

🏷️ SOA#

378ms

Field	Value
Serial	2023061501
Primary NS (MNAME)	ns.dandomain.dk
Responsible (RNAME)	hostmaster@dandomain.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-07 08:34:53

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2007-01-31
Expires	2027-01-31 (104d)

📋 WHOIS#

⏱️ Lookup Timing#

313ms

375ms

284ms

AAAA

315ms

TXT

1035ms

CAA

372ms

HTTPS

276ms

TLSA

196ms

SOA

378ms

MTA-STS

470ms

DNSSEC

651ms

SRV

462ms

Total

2249ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 12:28:22	1074ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-28 00:55:16	818ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 10:18:24 shown	2249ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 06:09:55	830ms	2 NS 1 A 1 MX	🔒 Secure