esf1909.dk DNS records

🖥️ Nameservers2 records 274ms

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 211ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.103	3600s	webcluster2.webpod13-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records4 records 308ms

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)1 records 294ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10b:8038:6633:a0b4:7046	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 Records

📝

No TXT records found

✉️ SPF

✗ No SPF record — mail spoofing not restricted

📨 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

🔗 TLSA / DANE4 records 743ms

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…

🔐 DNSSEC534ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081801
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

274ms

A

211ms

MX

308ms

AAAA

294ms

TXT

773ms

CAA

224ms

HTTPS

296ms

TLSA

743ms

SOA

0ms

MTA-STS

405ms

DNSSEC

534ms

SRV

418ms

Total

7498ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-18 23:10:44	7498ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-05 22:03:21	1045ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-23 10:22:09	871ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-07-19 08:54:37	2037ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-24 15:00:28	1733ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-23 09:46:42	967ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-22 12:32:06	799ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-21 13:27:51	615ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-17 08:27:59	424ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-17 08:21:02	1259ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-17 08:20:44	1332ms	2 NS 1 A 3 MX	🔒 Secure	View