online-sikkerhed.dk DNS records

🖥️ Nameservers3 records 52ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.contabo.net	2a02:c207:ff00:1200::1 5.180.150.13	— ns1.contabo.net	AS51167 Contabo GmbH AS51167 Contabo GmbH
ns2.contabo.net	195.179.224.10 2a02:c202:5028:1200::1	ns2.contabo.net —	AS51167 Contabo GmbH AS51167 Contabo GmbH
ns3.contabo.net	209.126.15.15 2605:a140:5028:1200::1	ns3.contabo.net —	AS40021 Contabo Inc. AS40021 Contabo Inc.

🌍 A Records1 records 145ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
173.212.238.38	86400s	vmi2469766.contaboserver.net	AS51167	Contabo GmbH	173.212.192.0/18	🇫🇷 France	Lauterbourg

📧 MX Records1 records 78ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	86400s	mail.online-sikkerhed.dk	—	—	—

🔷 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 / DANE

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC9089ms

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	1788292067
Primary NS (MNAME)	ns1.contabo.net
Responsible (RNAME)	hostmaster@contabo.de
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

52ms

A

145ms

MX

78ms

AAAA

151ms

TXT

430ms

CAA

56ms

HTTPS

86ms

TLSA

152ms

SOA

0ms

MTA-STS

67ms

DNSSEC

9089ms

SRV

178ms

Total

9518ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 21:47:56	9518ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-31 21:36:32	1271ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-30 18:58:01	624ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-29 16:36:25	1314ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-28 11:55:51	935ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-27 11:38:02	726ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-26 11:23:03	752ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-24 23:37:26	1704ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-23 23:12:58	1659ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-22 22:31:22	919ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-21 22:18:48	6391ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-20 21:59:43	6657ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-19 20:56:39	2224ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-18 20:46:28	5367ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-16 03:12:33	2025ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-14 18:25:36	3270ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-13 03:50:41	9803ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-10 21:23:07	1282ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-06 14:43:52	8862ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-02 14:56:48	11613ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-07-30 05:09:38	1599ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-07-28 02:18:31	1002ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-07-27 01:44:04	1607ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-07-26 01:26:58	1030ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-07-25 01:09:19	1009ms	3 NS 1 A 1 MX	🔓 Insecure	View