setfree.dk DNS records

🖥️ Nameservers2 records 138ms

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 87ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.111.240.162	3600s	webcluster35.webpod11-cph3.one.com	AS51468	One.com A/S	77.111.240.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records4 records 83ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	10800s	mx1.pub.mailpod13-cph3.one.com	185.10.9.42	mx1.pub.mailpod13-cph3.one.com	AS51468 One.com A/S
10	10800s	mx2.pub.mailpod13-cph3.one.com	185.10.9.43	mx2.pub.mailpod13-cph3.one.com	AS51468 One.com A/S
10	10800s	mx3.pub.mailpod13-cph3.one.com	185.10.9.44	mx3.pub.mailpod13-cph3.one.com	AS51468 One.com A/S
10	10800s	mx4.pub.mailpod13-cph3.one.com	185.10.9.45	mx4.pub.mailpod13-cph3.one.com	AS51468 One.com A/S

🔷 AAAA Records (IPv6)1 records 122ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:102:8016:4bea:a41a:6c44	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 322ms

TXT Record
v=spf1 a mx include:_bonacustspf.one.com -all
v=spf1 include:sendgrid.net_custspf.one.com~all

✉️ SPF

⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)

Policy	Record (setfree.dk)
-all (hard fail)	v=spf1 a mx include:_bonacustspf.one.com -all
no all — incomplete SPF	v=spf1 include:sendgrid.net_custspf.one.com~all

📨 DMARC

Policy	Record (_dmarc.setfree.dk)
p=none (monitor only)	v=DMARC1; p=none; pct=100; rua=mailto:re+yvlw37pla3n@dmarc.postmarkapp.com; sp=none; aspf=r;

📬 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

🔗 TLSA / DANE4 records 192ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod13-cph3.one.com	DANE-EE · SPKI · SHA-256	BE8C554E6A2A9BFE9F87080F0AE71BAD…
SMTP _25._tcp.mx2.pub.mailpod13-cph3.one.com	DANE-EE · SPKI · SHA-256	BE8C554E6A2A9BFE9F87080F0AE71BAD…
SMTP _25._tcp.mx3.pub.mailpod13-cph3.one.com	DANE-EE · SPKI · SHA-256	BE8C554E6A2A9BFE9F87080F0AE71BAD…
SMTP _25._tcp.mx4.pub.mailpod13-cph3.one.com	DANE-EE · SPKI · SHA-256	BE8C554E6A2A9BFE9F87080F0AE71BAD…

🔐 DNSSEC229ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082901
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

138ms

A

87ms

MX

83ms

AAAA

122ms

TXT

322ms

CAA

114ms

HTTPS

109ms

TLSA

192ms

SOA

0ms

MTA-STS

115ms

DNSSEC

229ms

SRV

130ms

Total

1657ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-30 01:44:58	1657ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-27 19:50:05	641ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-24 19:49:58	680ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-23 19:12:08	1120ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-24 10:50:39	2952ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-18 06:14:03	886ms	2 NS 1 A 4 MX	🔒 Secure	View