szn.dk

📜 Historical scan 2026-09-26 08:55:21  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

szn.dk is a .dk domain served by 4 nameservers (pns21.cloudns.net, pns22.cloudns.net, pns23.cloudns.net and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.107.169.23 is hosted by BornFiber Service Provider ApS (AS24800) in Denmark. Mail is handled by smtp.google.com. The zone is DNSSEC-signed and validates, has no 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#

4 records   40ms

🌍 A Records#

1 records   36ms

📧 MX Records#

1 records   45ms

🔷 AAAA Records (IPv6)#

1 records   43ms

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   172ms
TXT Record
v=spf1 a include:_spf.szn.dk include:_spf.google.com -all

✉️ SPF#

PolicyRecord (szn.dk)
-all (hard fail) v=spf1 a include:_spf.szn.dk 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#

3 records   47ms
FlagsTagValue
0 iodef mailto:klaus@seistrup.dk
0 issue letsencrypt.org
0 issue zerossl.com

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-16 06:40:02
www185.107.169.23 2a00:4820:31b0:0:dacb:8aff:feba:55d7 (AS24800) (address records, no CNAME)
www vs bare domainSame network
WildcardNo
Denial of existenceNSEC3 · 0 iterations · no salt · opt-out RFC 9276 ✓
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found
SelectorCNAMEKey
dkim — 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: 7/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

119ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2026092501
Primary NS (MNAME)pns21.cloudns.net
Responsible (RNAME)kas@port53.dk
Refresh7200s
Retry1800s
Expire1209600s
Minimum (neg-cache TTL)3600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup
📋 WHOIS#

⏱️ Lookup Timing#

NS
40ms
A
36ms
MX
45ms
AAAA
43ms
TXT
172ms
CAA
47ms
HTTPS
38ms
TLSA
1095ms
SOA
0ms
MTA-STS
48ms
DNSSEC
119ms
SRV
56ms
Total
1757ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-16 06:40:02 8624ms 4 NS 1 A 1 MX 🔒 Secure
2026-09-26 08:55:21 shown 1757ms 4 NS 1 A 1 MX 🔒 Secure
2026-09-24 08:35:50 11977ms 4 NS 1 A 1 MX 🔒 Secure
2026-09-07 21:10:58 3130ms 4 NS 1 A 1 MX 🔒 Secure
2026-08-26 09:57:26 1839ms 4 NS 1 A 1 MX 🔒 Secure
2026-08-17 08:54:18 15407ms 4 NS 1 A 1 MX 🔒 Secure
2026-08-02 20:13:14 6663ms 4 NS 1 A 1 MX 🔒 Secure
2026-07-12 08:47:15 14577ms 4 NS 1 A 1 MX 🔒 Secure
2026-07-04 13:11:58 15244ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-25 12:20:44 1567ms 4 NS 1 A 1 MX ⚠️ Bogus
2026-06-24 02:43:55 1172ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-22 09:50:44 1239ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-19 20:40:09 3580ms 4 NS 1 A 1 MX ⚠️ Bogus
2026-06-19 18:16:53 7150ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-17 19:52:59 1643ms 4 NS 1 A 1 MX 🔒 Secure
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