extremagent.dk DNS records

🖥️ Nameservers2 records 41ms

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 48ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.40.28	600s	vm1413.enterprisecloud.nu	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records4 records 55ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	10800s	mx1.pub.mailpod12-cph3.one.com	104.37.34.246	mx1.pub.mailpod12-cph3.one.com	AS51468 One.com A/S
10	10800s	mx2.pub.mailpod12-cph3.one.com	104.37.34.247	mx2.pub.mailpod12-cph3.one.com	AS51468 One.com A/S
10	10800s	mx3.pub.mailpod12-cph3.one.com	104.37.34.248	mx3.pub.mailpod12-cph3.one.com	AS51468 One.com A/S
10	10800s	mx4.pub.mailpod12-cph3.one.com	104.37.34.249	mx4.pub.mailpod12-cph3.one.com	AS51468 One.com A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	185.21.40.28
🔶 Autoconfig	185.21.40.28

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 187ms

TXT Record
v=spf1 include:_custspf.one.com include:web.shared.mysmtp.com -all

✉️ SPF

Policy	Record (extremagent.dk)
-all (hard fail)	v=spf1 include:_custspf.one.com include:web.shared.mysmtp.com -all

📨 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 64ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod12-cph3.one.com	DANE-EE · SPKI · SHA-256	3E81C76D10E1A717F28178710EADCAA8…
SMTP _25._tcp.mx2.pub.mailpod12-cph3.one.com	DANE-EE · SPKI · SHA-256	3E81C76D10E1A717F28178710EADCAA8…
SMTP _25._tcp.mx3.pub.mailpod12-cph3.one.com	DANE-EE · SPKI · SHA-256	3E81C76D10E1A717F28178710EADCAA8…
SMTP _25._tcp.mx4.pub.mailpod12-cph3.one.com	DANE-EE · SPKI · SHA-256	3E81C76D10E1A717F28178710EADCAA8…

🔐 DNSSEC83ms

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

🏷️ SOA0ms

Field	Value
Serial	2026071805
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

41ms

A

48ms

MX

55ms

AAAA

43ms

TXT

187ms

CAA

57ms

HTTPS

61ms

TLSA

64ms

SOA

0ms

MTA-STS

55ms

DNSSEC

83ms

SRV

74ms

Total

628ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 12:48:33	628ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-27 02:15:44	2631ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-19 23:54:31	9047ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-18 17:23:36	8788ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-27 00:47:31	694ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-26 14:30:55	681ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-23 22:35:35	2642ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-23 05:59:28	1190ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 04:06:33	719ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-17 09:10:01	1532ms	2 NS 1 A 4 MX	🔒 Secure	View