so-cold.dk DNS records

🖥️ Nameservers2 records 29ms

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 27ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
76.76.21.21	3600s	—	AS16509	Amazon.com, Inc.	76.76.21.0/24	🇺🇸 United States	Walnut

📧 MX Records3 records 28ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	10800s	mx1.pub.mailpod8-cph3.one.com	185.164.14.102	mx1.pub.mailpod8-cph3.one.com	AS51468 One.com A/S
10	10800s	mx2.pub.mailpod8-cph3.one.com	185.164.14.103	mx2.pub.mailpod8-cph3.one.com	AS51468 One.com A/S
10	10800s	mx3.pub.mailpod8-cph3.one.com	185.164.14.104	mx3.pub.mailpod8-cph3.one.com	AS51468 One.com A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	77.111.240.171
🔶 Autoconfig	77.111.240.171

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 140ms

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

✉️ SPF

Policy	Record (so-cold.dk)
-all (hard fail)	v=spf1 a mx include:_bonacustspf.one.com -all

📨 DMARC

Policy	Record (_dmarc.so-cold.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 / DANE3 records 54ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod8-cph3.one.com	DANE-EE · SPKI · SHA-256	BF2BAC81D64CD548F2920A7E0ADF7907…
SMTP _25._tcp.mx2.pub.mailpod8-cph3.one.com	DANE-EE · SPKI · SHA-256	BF2BAC81D64CD548F2920A7E0ADF7907…
SMTP _25._tcp.mx3.pub.mailpod8-cph3.one.com	DANE-EE · SPKI · SHA-256	BF2BAC81D64CD548F2920A7E0ADF7907…

🔐 DNSSEC94ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082801
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

29ms

A

27ms

MX

28ms

AAAA

29ms

TXT

140ms

CAA

26ms

HTTPS

33ms

TLSA

54ms

SOA

0ms

MTA-STS

41ms

DNSSEC

94ms

SRV

57ms

Total

550ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-29 07:12:41	550ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-08-27 06:09:06	797ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-26 17:42:08	672ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-10 18:20:59	5039ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-21 12:35:51	9003ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-02 15:44:48	725ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-27 13:02:34	902ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-25 12:57:53	814ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-21 23:54:15	641ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-21 23:36:36	1175ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-19 23:40:43	801ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-17 14:03:17	2463ms	2 NS 1 A 4 MX	🔒 Secure	View