szn.dk

📜 Historical scan 2026-06-25 12:20:44 · ← 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 but currently fails validation, 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 43ms

Nameserver	IP addresses	PTR	ASN / ISP
pns21.cloudns.net	185.136.96.96 2a06:fb00:1::1:96	pns21.cloudns.net pns21.cloudns.net	AS203391 Cloud DNS Ltd AS203391 Cloud DNS Ltd
pns22.cloudns.net	185.136.97.96 2a06:fb00:1::2:96	pns22.cloudns.net pns22.cloudns.net	AS203391 Cloud DNS Ltd AS203391 Cloud DNS Ltd
pns23.cloudns.net	185.136.98.96 2a06:fb00:1::3:96	pns23.cloudns.net pns23.cloudns.net	AS203391 Cloud DNS Ltd AS203391 Cloud DNS Ltd
pns24.cloudns.net	185.136.99.96 2a06:fb00:1::4:96	pns24.cloudns.net pns24.cloudns.net	AS203391 Cloud DNS Ltd AS203391 Cloud DNS Ltd

🌍 A Records#

1 records 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.107.169.23	3600s	bornmesh.dk	AS24800	BornFiber Service Provider ApS	185.107.168.0/22	🇩🇰 Denmark	Rønne

📧 MX Records#

1 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	900s	smtp.google.com	142.251.1.26 142.251.1.27 2a00:1450:4010:c02::1a 2a00:1450:4010:c02::1a 2a00:1450:4010:c02::1b 2a00:1450:4010:c02::1b 2a00:1450:4010:c06::1a 2a00:1450:4010:c06::1a 2a00:1450:4010:c0a::1b 2a00:1450:4010:c0a::1b 64.233.161.26 64.233.161.27 64.233.162.27	lb-in-f26.1e100.net lb-in-f27.1e100.net le-in-x1a.1e100.net le-in-f26.1e100.net le-in-f27.1e100.net le-in-x1b.1e100.net lj-in-f26.1e100.net lj-in-x1a.1e100.net lm-in-f27.1e100.net lm-in-x1b.1e100.net lh-in-f26.1e100.net lh-in-f27.1e100.net li-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

1 records 42ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a00:4820:31b0:0:dacb:8aff:feba:55d7	3600s	—	AS24800	BornFiber Service Provider ApS	2a00:4820:0:0:0:0:0:0/32	🇩🇰 Denmark	Rønne

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 368ms

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

✉️ SPF#

Policy	Record (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 66ms

Flags	Tag	Value
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

www	185.107.169.23 2a00:4820:31b0:0:dacb:8aff:feba:55d7 (AS24800) (address records, no CNAME)
www vs bare domain	Same network szn.dk: 185.107.169.23 2a00:4820:31b0:0:dacb:8aff:feba:55d7 (AS24800) www.szn.dk: 185.107.169.23 2a00:4820:31b0:0:dacb:8aff:feba:55d7 (AS24800)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt · opt-out RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
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#

87ms

Check	Result
Validation Status	⚠️ Bogus
AD Flag (resolver validates)	✗ Not set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: failure

🏷️ SOA#

41ms

Field	Value
Serial	2026062101
Primary NS (MNAME)	pns21.cloudns.net
Responsible (RNAME)	kas@port53.dk
Refresh	7200s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

43ms

42ms

41ms

AAAA

42ms

TXT

368ms

CAA

66ms

HTTPS

94ms

TLSA

549ms

SOA

41ms

MTA-STS

109ms

DNSSEC

87ms

SRV

271ms

Total

1567ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 06:40:02	8624ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-26 08:55:21	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 shown	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