seifert.dk

📜 Historical scan 2026-06-17 23:18:34 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

seifert.dk is a .dk domain served by 2 nameservers (ns.itide.dk, ns2.itide.dk). It was registered on 12 February 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.99.133 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx.spamfilter.io. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. 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#

2 records 95ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.itide.dk	194.239.18.105	105.98-126.18.239.194.in-addr.arpa	AS3292 TDC Holding A/S
ns2.itide.dk	94.231.99.150	mailer.ajourcms.dk	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 104ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.99.133	—	vdom13.network.zitcom.dk	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records#

1 records 94ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	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 → 46.36.209.50

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 254ms

TXT Record
v=spf1 include:spf.scannet.dk

✉️ SPF#

Policy	Record (seifert.dk)
no all — incomplete SPF	v=spf1 include:spf.scannet.dk

📨 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 2026-10-12 12:05:50

www CNAME	hill.itide.dk (all on itide.dk) ⚠ Dangling: the CNAME target does not exist. If that name can be claimed (an unregistered domain, or a free name on a hosting platform), whoever claims it controls www.seifert.dk
www vs bare domain	www does not resolve seifert.dk: 94.231.99.133 (AS48854) www.seifert.dk: no address (all like this)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: none

warn No "all" and no redirect: mail from unlisted servers gets a neutral result

🔗 TLSA / DANE#

1 records 48ms

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

🔐 DNSSEC#

226ms

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

🏷️ SOA#

95ms

Field	Value
Serial	21
Primary NS (MNAME)	ns.itide.dk
Responsible (RNAME)	administrator@ns.itide.dk
Refresh	36000s
Retry	600s
Expire	86400s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-08 09:38:19

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1997-02-12
Expires	2027-03-31 (161d)

📋 WHOIS#

⏱️ Lookup Timing#

95ms

104ms

94ms

AAAA

100ms

TXT

254ms

CAA

89ms

HTTPS

93ms

TLSA

48ms

SOA

95ms

MTA-STS

87ms

DNSSEC

226ms

SRV

121ms

Total

650ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-06-26 17:13:35	501ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 23:18:34 shown	650ms	2 NS 1 A 1 MX	🔓 Insecure