xtracon.dk DNS records

🖥️ Nameservers2 records 28ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.xtracon.dk	178.72.16.21	—	AS3342 Cibicom A/S
ns2.xtracon.dk	178.72.22.92	—	AS3342 Cibicom A/S

🌍 A Records1 records 20ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
178.72.16.24	300s	—	AS3342	Cibicom A/S	178.72.16.0/21	🇩🇰 Denmark	—

📧 MX Records3 records 20ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	90s	mx1-dk.centerasecurity.dk	128.76.60.167 128.76.60.187 89.233.19.127 89.233.19.127 89.233.19.188 89.233.19.188	mx6.centerasecurity.dk mx6.centerasecurity.dk 127.0-254.19.233.89.in-addr.arpa mx14.centerasecurity.dk 188.0-254.19.233.89.in-addr.arpa mx14.centerasecurity.dk	AS3292 TDC Holding A/S AS3292 TDC Holding A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S
10	90s	mx2-dk.centerasecurity.dk	128.76.60.168 128.76.60.169 89.233.19.128 89.233.19.128 89.233.19.129 89.233.19.129	mx6.centerasecurity.dk mx6.centerasecurity.dk 128.0-254.19.233.89.in-addr.arpa mx14.centerasecurity.dk 129.0-254.19.233.89.in-addr.arpa mx14.centerasecurity.dk	AS3292 TDC Holding A/S AS3292 TDC Holding A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S
20	90s	mx3-dk.centerasecurity.dk	128.76.60.187 89.233.19.129 89.233.19.129	mx6.centerasecurity.dk 129.0-254.19.233.89.in-addr.arpa mx14.centerasecurity.dk	AS3292 TDC Holding A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 33ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	mail2.ex2019.dk

📝 TXT Records2 records 91ms

TXT Record
_globalsign-domain-verification=93XjcZKGCR5LXq3_p2DBzCZUEvdYkhUJkuyx3yvRTr
v=spf1 ip4:178.72.16.36 include:_spf.xtracon.dk -all

✉️ SPF

Policy	Record (xtracon.dk)
-all (hard fail)	v=spf1 ip4:178.72.16.36 include:_spf.xtracon.dk -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 / DANE6 records 307ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	56315B43B892E9AEE184919EC6A5821C…
SMTP _25._tcp.mx1-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	D4C349E7B72F5CF4A9CEA358F98947C2…
SMTP _25._tcp.mx2-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	56315B43B892E9AEE184919EC6A5821C…
SMTP _25._tcp.mx2-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	D4C349E7B72F5CF4A9CEA358F98947C2…
SMTP _25._tcp.mx3-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	56315B43B892E9AEE184919EC6A5821C…
SMTP _25._tcp.mx3-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	D4C349E7B72F5CF4A9CEA358F98947C2…

🔐 DNSSEC90ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2026012971
Primary NS (MNAME)	ns.xtracon.dk
Responsible (RNAME)	henrik@xtracon.dk
Refresh	900s
Retry	3600s
Expire	2678400s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

28ms

A

20ms

MX

20ms

AAAA

29ms

TXT

91ms

CAA

20ms

HTTPS

30ms

TLSA

307ms

SOA

0ms

MTA-STS

40ms

DNSSEC

90ms

SRV

33ms

Total

1165ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 01:38:38	1165ms	2 NS 1 A 3 MX	🔓 Insecure	View
2026-08-09 14:00:58	2116ms	2 NS 1 A 3 MX	🔓 Insecure	View
2026-07-29 07:44:03	1531ms	2 NS 1 A 3 MX	🔓 Insecure	View
2026-07-20 12:44:23	9426ms	2 NS 1 A 3 MX	🔓 Insecure	View
2026-07-12 23:43:52	2863ms	2 NS 1 A 3 MX	🔓 Insecure	View
2026-07-08 12:47:56	2371ms	2 NS 1 A 3 MX	🔓 Insecure	View
2026-06-29 01:08:48	1742ms	2 NS 1 A 3 MX	🔓 Insecure	View
2026-06-22 19:35:31	662ms	2 NS 1 A 3 MX	🔓 Insecure	View
2026-06-20 06:07:59	709ms	2 NS 1 A 3 MX	🔓 Insecure	View
2026-06-20 03:19:12	638ms	2 NS 1 A 3 MX	🔓 Insecure	View
2026-06-17 22:53:15	818ms	2 NS 1 A 3 MX	🔓 Insecure	View