seju.dk

📜 Historical scan 2026-09-17 10:38:31 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

seju.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 25 April 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mta-gw.infomaniak.ch. The zone is DNSSEC-signed and validates, 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#

4 records 33ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

🌍

No A records found

📧 MX Records#

1 records 30ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
5	600s	mta-gw.infomaniak.ch	2001:1600:0:aaaa::1:3 2001:1600:0:aaaa::1:4 83.166.143.57 83.166.143.58	mx01.infomaniak.ch mx02.infomaniak.ch mx01.infomaniak.ch mx02.infomaniak.ch	AS29222 Infomaniak Network SA AS29222 Infomaniak Network SA AS29222 Infomaniak Network SA AS29222 Infomaniak Network SA

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	infomaniak.com → 185.125.25.1
🔶 Autoconfig	infomaniak.com → 185.125.25.1

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 153ms

TXT Record
v=spf1 include:spf.infomaniak.ch -all

✉️ SPF#

Policy	Record (seju.dk)
-all (hard fail)	v=spf1 include:spf.infomaniak.ch -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 Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-12 12:57:53

www	NXDOMAIN
www vs bare domain	Neither resolves seju.dk: no address www.seju.dk: no address
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

1 records 151ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mta-gw.infomaniak.ch	DANE-EE · SPKI · SHA-256	01BBBC3A65E5F2067AA43DBAB107583E…

🔐 DNSSEC#

68ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

0ms

Field	Value
Serial	2026020808
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-02 02:00:54

Field	Value
Registrar	Simply.com A/S
Registered	2016-04-25
Expires	2027-04-30 (187d)

📋 WHOIS#

⏱️ Lookup Timing#

33ms

35ms

30ms

AAAA

34ms

TXT

153ms

CAA

29ms

HTTPS

35ms

TLSA

151ms

SOA

0ms

MTA-STS

65ms

DNSSEC

68ms

SRV

119ms

Total

962ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 12:57:53	2478ms	4 NS 0 A 1 MX	🔒 Secure
2026-10-02 01:43:46	1813ms	4 NS 0 A 1 MX	🔒 Secure
2026-09-17 10:38:31 shown	962ms	4 NS 0 A 1 MX	🔒 Secure
2026-06-17 12:57:43	604ms	4 NS 0 A 1 MX	🔒 Secure