mail123.dk

Records from scan: 2026-10-09 12:28:22 · 1074ms total · last checked 2026-10-15 22:12 (unchanged)

⬇ 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 38ms

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 32ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
212.237.249.138	120s	proxy.lm.mailfactory.blue	AS48854	team.blue Denmark A/S	212.237.248.0/23	🇩🇰 Denmark	—

📧 MX Records#

1 records 54ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	120s	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 130ms

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#

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#

124ms

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

🏷️ SOA#

31ms

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 (106d)

📋 WHOIS#

⏱️ Lookup Timing#

38ms

32ms

54ms

AAAA

35ms

TXT

130ms

CAA

34ms

HTTPS

49ms

TLSA

220ms

SOA

31ms

MTA-STS

68ms

DNSSEC

124ms

SRV

60ms

Total

1074ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 12:28:22 shown	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	2249ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 06:09:55	830ms	2 NS 1 A 1 MX	🔒 Secure