isbc.dk DNS records

🖥️ Nameservers2 records 106ms

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 124ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.215.64	3600s	webcluster1.webpod16-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records3 records 111ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	10800s	mx1.pub.mailpod6-cph3.one.com	185.164.14.70	mx1.pub.mailpod6-cph3.one.com	AS51468 One.com A/S
10	10800s	mx2.pub.mailpod6-cph3.one.com	185.164.14.71	mx2.pub.mailpod6-cph3.one.com	AS51468 One.com A/S
10	10800s	mx3.pub.mailpod6-cph3.one.com	185.164.14.72	mx3.pub.mailpod6-cph3.one.com	AS51468 One.com A/S

🔷 AAAA Records (IPv6)1 records 70ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:111:4:13f5:fd83:8adb	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 Records1 records 250ms

TXT Record
v=spf1 include:_custspf.one.com ~all

✉️ SPF

Policy	Record (isbc.dk)
~all (soft fail)	v=spf1 include:_custspf.one.com ~all

📨 DMARC

Policy	Record (_dmarc.isbc.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:admin@isbc.dk; ruf=mailto:admin@isbc.dk

📬 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 315ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod6-cph3.one.com	DANE-EE · SPKI · SHA-256	515D397B5EA735D3D3F24127EB4925FA…
SMTP _25._tcp.mx2.pub.mailpod6-cph3.one.com	DANE-EE · SPKI · SHA-256	515D397B5EA735D3D3F24127EB4925FA…
SMTP _25._tcp.mx3.pub.mailpod6-cph3.one.com	DANE-EE · SPKI · SHA-256	515D397B5EA735D3D3F24127EB4925FA…

🔐 DNSSEC177ms

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

🏷️ SOA0ms

Field	Value
Serial	2026063001
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

106ms

A

124ms

MX

111ms

AAAA

70ms

TXT

250ms

CAA

97ms

HTTPS

112ms

TLSA

315ms

SOA

0ms

MTA-STS

103ms

DNSSEC

177ms

SRV

146ms

Total

1149ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-04 03:54:11	633ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-27 16:19:05	581ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-07 14:16:33	940ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-07-21 01:33:04	994ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-07-02 22:32:05	1149ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-30 06:00:34	713ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-26 20:58:48	647ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-24 06:10:08	1128ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 14:26:02	2514ms	2 NS 1 A 3 MX	🔒 Secure	View