j-a-t.dk DNS records

🖥️ Nameservers2 records 277ms

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 268ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.210.177.60	3600s	185-210-177-60.comasys.dk	AS51377	CoMaSys ApS	185.210.176.0/22	🇩🇰 Denmark	—

📧 MX Records4 records 257ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	10800s	mx1.mailpod16-cph3.g1i.one.com	5.249.232.33	mx1.mailpod16-cph3.g1i.one.com	AS51468 One.com A/S
10	10800s	mx2.mailpod16-cph3.g1i.one.com	5.249.232.34	mx2.mailpod16-cph3.g1i.one.com	AS51468 One.com A/S
10	10800s	mx3.mailpod16-cph3.g1i.one.com	5.249.232.35	mx3.mailpod16-cph3.g1i.one.com	AS51468 One.com A/S
10	10800s	mx4.mailpod16-cph3.g1i.one.com	5.249.232.36	mx4.mailpod16-cph3.g1i.one.com	AS51468 One.com A/S

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 1220ms

TXT Record
v=spf1 include:_custspf.one.com include:_spf.comasys.dk -all

✉️ SPF

Policy	Record (j-a-t.dk)
-all (hard fail)	v=spf1 include:_custspf.one.com include:_spf.comasys.dk -all

📨 DMARC

Policy	Record (_dmarc.j-a-t.dk)
p=quarantine	v=DMARC1; p=quarantine

📬 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 361ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.mailpod16-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	24689A1B29BE70163B6DCF262497B6EC…
SMTP _25._tcp.mx2.mailpod16-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	24689A1B29BE70163B6DCF262497B6EC…
SMTP _25._tcp.mx3.mailpod16-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	24689A1B29BE70163B6DCF262497B6EC…
SMTP _25._tcp.mx4.mailpod16-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	24689A1B29BE70163B6DCF262497B6EC…

🔐 DNSSEC529ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081905
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

277ms

A

268ms

MX

257ms

AAAA

284ms

TXT

1220ms

CAA

284ms

HTTPS

280ms

TLSA

361ms

SOA

0ms

MTA-STS

369ms

DNSSEC

529ms

SRV

340ms

Total

6688ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-20 01:32:21	6688ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-14 22:43:16	2172ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-29 02:21:38	922ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-15 23:19:51	841ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-10 15:44:02	1852ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-25 08:11:05	855ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-23 21:39:40	1073ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 06:58:41	797ms	2 NS 1 A 4 MX	🔒 Secure	View