cerxes.dk DNS records

🖥️ Nameservers3 records 40ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.first-ns.de	213.239.242.238 2a01:4f8:0:a101::a:1	ns1.first-ns.de ns1.first-ns.de	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
robotns2.second-ns.de	213.133.100.103 2a01:4f8:0:1::5ddc:2	robotns2.second-ns.de robotns2.second-ns.de	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
robotns3.second-ns.com	193.47.99.3 2001:67c:192c::add:a3	robotns3.second-ns.com robotns3.second-ns.com	AS12337 noris network AG AS12337 noris network AG

🌍 A Records1 records 45ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
217.61.221.128	1800s	mail3.s-carlsen.dk	AS203953	Hiper A/S	217.61.216.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	1800s	mail3.s-carlsen.dk	217.61.221.128	mail3.s-carlsen.dk	AS203953 Hiper 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 / DANE1 records 256ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mail3.s-carlsen.dk	DANE-EE · SPKI · SHA-256	2E5F0D1DE1607FB1C5C8B6B37D755A44…

🔐 DNSSEC114ms

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

🏷️ SOA0ms

Field	Value
Serial	2023113132
Primary NS (MNAME)	ns1.first-ns.de
Responsible (RNAME)	hostmaster@s-carlsen.dk
Refresh	1800s
Retry	300s
Expire	2419200s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

40ms

A

45ms

MX

43ms

AAAA

51ms

TXT

102ms

CAA

45ms

HTTPS

49ms

TLSA

256ms

SOA

0ms

MTA-STS

57ms

DNSSEC

114ms

SRV

55ms

Total

1320ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 01:40:12	1320ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-30 12:05:34	547ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-25 23:39:00	1937ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-22 21:42:33	9083ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-21 21:38:18	1502ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-14 02:19:18	3283ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-12 07:53:36	3305ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-07 09:11:51	1032ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-26 19:26:58	8915ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-25 19:04:56	8942ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-17 18:24:02	2849ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-16 07:17:53	1044ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-09 02:10:40	1016ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-30 15:20:11	679ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-28 16:43:53	1800ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 14:06:53	755ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 11:51:37	1504ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 20:10:42	767ms	3 NS 1 A 1 MX	🔒 Secure	View