surdej.dk DNS records

🖥️ Nameservers4 records 66ms

Nameserver	IP addresses	PTR	ASN / ISP
pns21.cloudns.net	185.136.96.96 2a06:fb00:1::1:96	pns21.cloudns.net pns21.cloudns.net	AS203391 Cloud DNS Ltd AS203391 Cloud DNS Ltd
pns22.cloudns.net	185.136.97.96 2a06:fb00:1::2:96	pns22.cloudns.net pns22.cloudns.net	AS203391 Cloud DNS Ltd AS203391 Cloud DNS Ltd
pns23.cloudns.net	185.136.98.96 2a06:fb00:1::3:96	pns23.cloudns.net pns23.cloudns.net	AS203391 Cloud DNS Ltd AS203391 Cloud DNS Ltd
pns24.cloudns.net	185.136.99.96 2a06:fb00:1::4:96	pns24.cloudns.net pns24.cloudns.net	AS203391 Cloud DNS Ltd AS203391 Cloud DNS Ltd

🌍 A Records1 records 60ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.107.169.23	3600s	bornmesh.dk	AS24800	BornFiber Service Provider ApS	185.107.168.0/22	🇩🇰 Denmark	Rønne

📧 MX Records2 records 63ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx.szn.dk	185.107.169.23 2a00:4820:3f60:f00:9b03:9cf8:73f2:a355	bornmesh.dk mx.szn.dk	AS24800 BornFiber Service Provider ApS AS24800 BornFiber Service Provider ApS
20	3600s	benji.szn.dk	2a01:7e01::f03c:91ff:fe2c:3d7d	benji.szn.dk	AS63949 Akamai Connected Cloud

🔷 AAAA Records (IPv6)1 records 58ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a00:4820:31b0:0:dacb:8aff:feba:55d7	3600s	undefined.hostname.localhost	AS24800	BornFiber Service Provider ApS	2a00:4820:0:0:0:0:0:0/32	🇩🇰 Denmark	Rønne

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 200ms

TXT Record
v=spf1 a mx include:_spf.szn.dk -all

✉️ SPF

Policy	Record (surdej.dk)
-all (hard fail)	v=spf1 a mx include:_spf.szn.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 Records2 records 76ms

Flags	Tag	Value
0	iodef	mailto:klaus@seistrup.dk
0	issue	letsencrypt.org

🔗 TLSA / DANE2 records 535ms

Service / Owner	Type	Cert association
SMTP _25._tcp.benji.szn.dk	DANE-EE · SPKI · SHA-256	77F3A197C4C674959D044D6B4C0252B7…
SMTP _25._tcp.mx.szn.dk	DANE-EE · SPKI · SHA-256	77F3A197C4C674959D044D6B4C0252B7…

🔐 DNSSEC87ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082501
Primary NS (MNAME)	pns21.cloudns.net
Responsible (RNAME)	kas@port53.dk
Refresh	7200s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

66ms

A

60ms

MX

63ms

AAAA

58ms

TXT

200ms

CAA

76ms

HTTPS

65ms

TLSA

535ms

SOA

0ms

MTA-STS

71ms

DNSSEC

87ms

SRV

76ms

Total

1824ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 16:31:11	1824ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-08-26 02:02:23	8266ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-08-06 06:12:18	1566ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-07-18 01:44:20	8125ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-06-26 14:40:03	7248ms	4 NS 0 A 2 MX	🔒 Secure	View
2026-06-21 08:35:17	2613ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-06-21 07:05:57	1157ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 14:33:29	5984ms	4 NS 1 A 2 MX	🔒 Secure	View