sera.dk DNS records

🖥️ Nameservers2 records 46ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.scannet2.dk	185.25.141.9 2a02:2339:4006:10d::4171:4171	ns1.scannet.dk ns1.scannet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.scannet2.dk	2a02:2339:1:112:0:5:1:b11 91.197.248.72	ns2.scannet.dk ns2.scannet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records1 records 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.155.240	60s	forward.dnsfactory.dk	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records1 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx.spamfilter.io	46.36.212.34 46.36.212.36 46.36.212.37 46.36.212.38 89.188.78.64 89.188.78.65 89.188.78.66 94.231.106.12	node4.spamfilter.io node8.spamfilter.io node6.spamfilter.io node7.spamfilter.io node3.spamfilter.io node9.spamfilter.io node10.spamfilter.io node2.spamfilter.io	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscoverredirect.webexchange.nu → 212.237.249.80

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 139ms

TXT Record
google-site-verification=IIM4V37kb6omcSCLAHMKrIrAm6cWvWiFmzarMWGPm9Q
v=spf1 include:spf.scannet.dk -all

✉️ SPF

Policy	Record (sera.dk)
-all (hard fail)	v=spf1 include:spf.scannet.dk -all

📨 DMARC

Policy	Record (_dmarc.sera.dk)
p=quarantine	v=DMARC1; p=quarantine; ruf=mailto:sera@sera.dk

📬 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 54ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.spamfilter.io	DANE-EE · SPKI · SHA-256	9A25F05F2E322DABDCC9B7A06AB47A2D…

🔐 DNSSEC75ms

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

🏷️ SOA0ms

Field	Value
Serial	2024090902
Primary NS (MNAME)	ns.scannet2.dk
Responsible (RNAME)	hostmaster@scannet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

46ms

A

44ms

MX

41ms

AAAA

46ms

TXT

139ms

CAA

40ms

HTTPS

34ms

TLSA

54ms

SOA

0ms

MTA-STS

58ms

DNSSEC

75ms

SRV

56ms

Total

536ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 19:24:17	536ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-25 12:33:37	17398ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-28 12:26:51	835ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 08:34:33	1241ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 07:33:14	684ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 08:07:14	4800ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 23:26:25	911ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 04:30:58	757ms	2 NS 1 A 1 MX	🔒 Secure	View