sernet.dk

📜 Historical scan 2026-07-03 00:48:37 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sernet.dk is a .dk domain served by 4 nameservers (pns1.sernet.de, pns2.sernet.net, pns3.sernet.de and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.199.218.8 is hosted by SerNet Service Network GmbH (AS41955) in Germany. Mail is handled by .. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records 103ms

Nameserver	IP addresses	PTR	ASN / ISP
pns1.sernet.de	2a02:2940:0:a0d1::246 95.130.16.246	dns.dns1.de dns.dns1.de	AS13246 Key-Systems GmbH AS13246 Key-Systems GmbH
pns2.sernet.net	2a02:2940:0:a0d2::218 95.130.17.218	dns.dns2.de dns.dns2.de	AS13246 Key-Systems GmbH AS13246 Key-Systems GmbH
pns3.sernet.de	217.146.22.194 2a00:11c0:e:766::2	dns.dns3.de dns.dns3.de	AS42473 Anexia Cloud Solutions GmbH AS42473 Anexia Cloud Solutions GmbH
pns4.sernet.net	144.76.91.137 2a01:4f8:192:2187::2	dns.dns4.de dns.dns4.de	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

🌍 A Records#

1 records 93ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.199.218.8	86400s	www.sernet.de	AS41955	SerNet Service Network GmbH	185.199.216.0/22	🇩🇪 Germany	—

📧 MX Records#

1 records 100ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	86400s	. Null MX — domain accepts no email (RFC 7505)

🔷 AAAA Records (IPv6)#

1 records 107ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a0a:a3c0:0:d2e8::1	86400s	www.sernet.de	AS41955	SerNet Service Network GmbH	2a0a:a3c0:0:0:0:0:0:0/32	🇩🇪 Germany	—

🔐 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-08 16:14:13

www	185.199.218.8 2a0a:a3c0:0:d2e8::1 (AS41955) (address records, no CNAME)
www vs bare domain	Same network sernet.dk: 185.199.218.8 2a0a:a3c0:0:d2e8::1 (AS41955) www.sernet.dk: 185.199.218.8 2a0a:a3c0:0:d2e8::1 (AS41955)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

9062ms

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

🏷️ SOA#

104ms

Field	Value
Serial	2026060901
Primary NS (MNAME)	pns1.sernet.de
Responsible (RNAME)	hostmaster@internetwire.de
Refresh	28800s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	86400s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

103ms

93ms

100ms

AAAA

107ms

TXT

430ms

CAA

83ms

HTTPS

93ms

TLSA

399ms

SOA

104ms

MTA-STS

178ms

DNSSEC

9062ms

SRV

163ms

Total

10995ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-01 23:23:19	774ms	4 NS 1 A 1 MX	🔓 Insecure
2026-08-27 20:35:19	10898ms	4 NS 1 A 1 MX	🔓 Insecure
2026-07-03 00:48:37 shown	10995ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-27 06:32:56	1393ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-26 23:28:14	1300ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-22 22:06:33	1150ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-18 07:55:22	1874ms	4 NS 1 A 0 MX	🔓 Insecure