sebsa.dk DNS records

🖥️ Nameservers2 records 29ms

Nameserver	IP addresses	PTR	ASN / ISP
anastasia.ns.cloudflare.com	108.162.194.227 162.159.38.227 172.64.34.227 2606:4700:50::a29f:26e3 2803:f800:50::6ca2:c2e3 2a06:98c1:50::ac40:22e3	anastasia.ns.cloudflare.com anastasia.ns.cloudflare.com anastasia.ns.cloudflare.com anastasia.ns.cloudflare.com anastasia.ns.cloudflare.com anastasia.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ezra.ns.cloudflare.com	108.162.195.15 162.159.44.15 172.64.35.15 2606:4700:58::a29f:2c0f 2803:f800:50::6ca2:c30f 2a06:98c1:50::ac40:230f	ezra.ns.cloudflare.com ezra.ns.cloudflare.com ezra.ns.cloudflare.com ezra.ns.cloudflare.com ezra.ns.cloudflare.com ezra.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records

🌍

No A records found

📧 MX Records2 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.protonmail.ch	176.119.200.128 185.205.70.128 185.70.42.128	mail.protonmail.ch mail.protonmail.ch mail.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG
20	300s	mailsec.protonmail.ch	176.119.200.129 185.205.70.129 185.70.42.129	mailsec.protonmail.ch mailsec.protonmail.ch mailsec.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 145ms

TXT Record
protonmail-verification=b18f347c8aadd632e9824caaa30bab6f0bffc14d
v=spf1 include:_spf.protonmail.ch mx ~all

✉️ SPF

Policy	Record (sebsa.dk)
~all (soft fail)	v=spf1 include:_spf.protonmail.ch mx ~all

📨 DMARC

Policy	Record (_dmarc.sebsa.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 49ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…

🔐 DNSSEC104ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	2413314972
Primary NS (MNAME)	anastasia.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 RegistrationWHOIS fetched 2026-07-16 03:11:08

Field	Value
Registrar	DANDOMAIN A/S
Registered	2020-06-27
Expires	2027-06-30 (297d)

📋 WHOIS

⏱️ Lookup Timing

NS

29ms

A

32ms

MX

42ms

AAAA

26ms

TXT

145ms

CAA

35ms

HTTPS

39ms

TLSA

49ms

SOA

0ms

MTA-STS

44ms

DNSSEC

104ms

SRV

62ms

Total

621ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 01:07:10	621ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-08-20 18:03:37	7727ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-08-18 16:57:07	1496ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-08-17 01:06:34	3903ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-08-15 20:39:56	4667ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-08-14 04:14:16	9232ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-08-11 00:31:16	1278ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-08-06 14:32:41	1487ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-07-16 03:09:06	1156ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-06-20 17:08:59	524ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-06-17 16:36:18	1893ms	2 NS 0 A 2 MX	🔓 Insecure	View