understjernerne.dk

Records from scan: 2026-10-05 06:52:44  ·  4251ms total  ·  last checked 2026-10-19 06:50 (unchanged)
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

understjernerne.dk is a .dk domain served by 2 nameservers (coleman.ns.cloudflare.com, samara.ns.cloudflare.com). It was registered on 5 March 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.30.158 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by ASPMX.L.GOOGLE.COM, ALT1.ASPMX.L.GOOGLE.COM and 3 more. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   726ms

🌍 A Records#

2 records   729ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.30.158 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.173.55 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

5 records   202ms

🔷 AAAA Records (IPv6)#

2 records   734ms

🔐 HTTPS Records#

1 records   740ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.30.158,172.67.173.55 ech=AEX+DQBB4gAgACAX9667S5WNzstQGapKuSxaFlaxNmeGmcjWfFAVvdf6ZAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:ad37,2606:4700:3035::6815:1e9e

📝 TXT Records#

1 records   950ms
TXT Record
v=spf1 include:_spf.google.com ~all

✉️ SPF#

PolicyRecord (understjernerne.dk)
~all (soft fail) v=spf1 include:_spf.google.com ~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#

checked 2026-10-10 23:21:59

✍️ DKIM keys#

1 found
SelectorCNAMEKey
google — RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

843ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

90ms
FieldValue
Serial2416650613
Primary NS (MNAME)coleman.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-05 07:34:33
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2003-03-05
Expires2027-03-31 (162d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
726ms
A
729ms
MX
202ms
AAAA
734ms
TXT
950ms
CAA
728ms
HTTPS
740ms
TLSA
688ms
SOA
90ms
MTA-STS
782ms
DNSSEC
843ms
SRV
784ms
Total
4251ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-05 06:52:44 shown 4251ms 2 NS 2 A 5 MX 🔓 Insecure
2026-10-02 06:29:42 992ms 2 NS 2 A 5 MX 🔓 Insecure
2026-09-24 02:06:47 724ms 2 NS 2 A 5 MX 🔓 Insecure
2026-09-02 02:01:47 1729ms 2 NS 2 A 5 MX 🔓 Insecure
2026-08-30 00:18:36 1943ms 2 NS 2 A 5 MX 🔓 Insecure
2026-08-26 21:52:30 1450ms 2 NS 2 A 5 MX 🔓 Insecure
2026-08-08 07:37:42 3772ms 2 NS 2 A 5 MX 🔓 Insecure
2026-08-04 17:33:04 2694ms 2 NS 2 A 5 MX 🔓 Insecure
2026-07-02 03:37:51 1601ms 2 NS 2 A 5 MX 🔓 Insecure
2026-06-17 15:00:23 984ms 2 NS 2 A 5 MX 🔓 Insecure
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