gbkontor.dk DNS records

🖥️ Nameservers2 records 14ms

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 6ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
91.221.196.226	3600s	—	AS51468	One.com A/S	91.221.196.0/23	🇩🇰 Denmark	Copenhagen

📧 MX Records4 records 10ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	10800s	mx4.mailpod15-cph3.g1i.one.com	104.37.35.39	mx4.mailpod15-cph3.g1i.one.com	AS51468 One.com A/S
10	10800s	mx1.mailpod15-cph3.g1i.one.com	104.37.35.36	mx1.mailpod15-cph3.g1i.one.com	AS51468 One.com A/S
10	10800s	mx2.mailpod15-cph3.g1i.one.com	104.37.35.37	mx2.mailpod15-cph3.g1i.one.com	AS51468 One.com A/S
10	10800s	mx3.mailpod15-cph3.g1i.one.com	104.37.35.38	mx3.mailpod15-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 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 252ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.mailpod15-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	E54A7262DC6E3E0F06227A22B71D01DC…
SMTP _25._tcp.mx2.mailpod15-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	E54A7262DC6E3E0F06227A22B71D01DC…
SMTP _25._tcp.mx3.mailpod15-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	E54A7262DC6E3E0F06227A22B71D01DC…
SMTP _25._tcp.mx4.mailpod15-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	E54A7262DC6E3E0F06227A22B71D01DC…

🔐 DNSSEC153ms

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

Key type	Algorithm	Public key
KSK	ECDSA P-256/SHA-256	/wrCswDzMv7wxcOGmVbI0ZkxUsyfjuJQ/N+n8b4B…
ZSK	ECDSA P-256/SHA-256	diQqrGRrCirveV8tX2YUa7F8hptc//W4rRsL6Nhl…

🏷️ SOA31ms

Field	Value
Serial	2026081401
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

14ms

A

6ms

MX

10ms

AAAA

236ms

TXT

86ms

CAA

7ms

HTTPS

109ms

TLSA

252ms

SOA

31ms

MTA-STS

13ms

DNSSEC

153ms

SRV

0ms

Total

1963ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 09:23:36	1963ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-14 07:20:43	1662ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-15 08:21:20	8910ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-02 02:32:56	1185ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-02 00:56:07	697ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-17 09:27:32	874ms	2 NS 1 A 4 MX	🔒 Secure	View