sejergaard.dk

📜 Historical scan 2026-09-24 07:29:12  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sejergaard.dk is a .dk domain served by 2 nameservers (razvan.ns.cloudflare.com, sasha.ns.cloudflare.com). It was registered on 13 October 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.1.92 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.protonmail.ch, mailsec.protonmail.ch. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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   39ms

🌍 A Records#

2 records   33ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.1.92 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.128.246 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

2 records   60ms

🔷 AAAA Records (IPv6)#

2 records   37ms

🔐 HTTPS Records#

1 records   44ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.1.92,172.67.128.246 ech=AEX+DQBBxwAgACCIZu2ay7E543utuGe/rTJZrS3nFNMNc+wg8Nm652pyJgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:15c,2606:4700:3037::ac43:80f6

📝 TXT Records#

2 records   182ms
TXT Record
protonmail-verification=562a927d0088ec7d116895ad823ab508ab7ac799
v=spf1 include:_spf.protonmail.ch ~all

✉️ SPF#

PolicyRecord (sejergaard.dk)
~all (soft fail) v=spf1 include:_spf.protonmail.ch ~all

📨 DMARC#

PolicyRecord (_dmarc.sejergaard.dk)
p=quarantine v=DMARC1; p=quarantine

📬 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 2026-10-13 21:52:24
wwwExists, no address
www vs bare domainwww does not resolve (all like this)
WildcardNo
Denial of existenceCompact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEYDelete signal: the zone asks the registry to remove its DS (go insecure) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

4 records   64ms
Service / OwnerTypeCert 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…

🔐 DNSSEC#

78ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2415506243
Primary NS (MNAME)razvan.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-15 22:09:14
FieldValue
RegistrarSimply.com A/S
Registered1998-10-13
Expires2026-12-31 (66d)

🔗 Same registrant#

1 domain

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

DomainRegistrar
sjrgrd.dkSimply.com A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
39ms
A
33ms
MX
60ms
AAAA
37ms
TXT
182ms
CAA
39ms
HTTPS
44ms
TLSA
64ms
SOA
0ms
MTA-STS
79ms
DNSSEC
78ms
SRV
64ms
Total
1286ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-13 21:52:24 2747ms 2 NS 2 A 2 MX 🔓 Insecure
2026-10-01 09:10:42 983ms 2 NS 2 A 2 MX 🔓 Insecure
2026-09-30 09:04:48 1081ms 2 NS 2 A 2 MX 🔓 Insecure
2026-09-24 07:29:12 shown 1286ms 2 NS 2 A 2 MX 🔓 Insecure
2026-09-23 06:50:46 3342ms 2 NS 2 A 2 MX 🔓 Insecure
2026-08-27 01:00:28 1213ms 2 NS 2 A 2 MX 🔓 Insecure
2026-08-26 12:26:00 1154ms 2 NS 2 A 2 MX 🔓 Insecure
2026-08-08 21:49:04 1588ms 2 NS 2 A 2 MX 🔓 Insecure
2026-07-24 02:23:07 9062ms 2 NS 1 A 4 MX 🔒 Secure
2026-07-22 22:47:54 2993ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-25 22:47:44 782ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-23 08:47:28 1164ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-17 12:59:33 1692ms 2 NS 1 A 4 MX 🔒 Secure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone