spam-fri.dk DNS records

🖥️ Nameservers2 records 56ms

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 Records1 records 52ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
131.164.253.178	3600s	—	AS3292	TDC Holding A/S	131.164.0.0/16	🇩🇰 Denmark	Frederiksberg

📧 MX Records3 records 58ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1.spamfilter.cc	2001:19f0:5001:1b34:5400:3ff:fe0e:a8b5 95.179.139.219 95.179.218.56	— 95.179.139.219.vultrusercontent.com 95.179.218.56.vultrusercontent.com	AS20473 The Constant Company, LLC AS20473 The Constant Company, LLC AS20473 The Constant Company, LLC
10	3600s	mx2.spamfilter.cc	2001:19f0:5001:1b34:5400:3ff:fe0e:a8b5 95.179.139.219 95.179.218.56	— 95.179.139.219.vultrusercontent.com 95.179.218.56.vultrusercontent.com	AS20473 The Constant Company, LLC AS20473 The Constant Company, LLC AS20473 The Constant Company, LLC
30	3600s	mx3.spamfilter.cc	2001:19f0:5001:1b34:5400:3ff:fe0e:a8b5 95.179.139.219 95.179.218.56	— 95.179.139.219.vultrusercontent.com 95.179.218.56.vultrusercontent.com	AS20473 The Constant Company, LLC AS20473 The Constant Company, LLC AS20473 The Constant Company, LLC

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	spam-fri.dk → 131.164.253.178
🔶 Autoconfig	spam-fri.dk → 131.164.253.178

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 161ms

TXT Record
v=spf1 mx a:mail.spam-fri.dk a:maile.spam-fri.dk a:exchange.spam-fri.dk ip4:131.164.122.200/29 ip4:94.18.116.44/28 ip4:2.111.132.150 -all

✉️ SPF

Policy	Record (spam-fri.dk)
-all (hard fail)	v=spf1 mx a:mail.spam-fri.dk a:maile.spam-fri.dk a:exchange.spam-fri.dk ip4:131.164.122.200/29 ip4:94.18.116.44/28 ip4:2.111.132.150 -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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.spam-fri.dk	spam-fri.dk

🔗 TLSA / DANE

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

🔐 DNSSEC87ms

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

🏷️ SOA0ms

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

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

56ms

A

52ms

MX

58ms

AAAA

60ms

TXT

161ms

CAA

49ms

HTTPS

45ms

TLSA

141ms

SOA

0ms

MTA-STS

57ms

DNSSEC

87ms

SRV

66ms

Total

1064ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-25 12:34:48	1064ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-07-19 02:55:22	9306ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-17 13:34:02	2619ms	2 NS 1 A 3 MX	🔒 Secure	View