zerny.dk

📜 Historical scan 2026-09-23 16:12:45 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

zerny.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 26 May 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.104.80.200 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by smtp.google.com. 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#

2 records 32ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 32ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
178.104.80.200	3600s	letweb.dk	AS24940	Hetzner Online GmbH	178.104.0.0/15	🇩🇪 Germany	Nuremberg

📧 MX Records#

1 records 28ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	smtp.google.com	172.253.152.26 172.253.152.27 173.194.222.27 2a00:1450:4010:c01::1b 2a00:1450:4010:c01::1b 2a00:1450:4010:c0b::1a 2a00:1450:4010:c0b::1a 2a00:1450:4010:c22::1a 2a00:1450:4010:c22::1b 64.233.161.26 64.233.161.27	yulpptr-in-f26.1e100.net yulpptr-in-f27.1e100.net lo-in-f27.1e100.net lh-in-x1b.1e100.net lh-in-f27.1e100.net lo-in-f26.1e100.net lo-in-x1a.1e100.net yulpptr-in-f26.1e100.net yulpptr-in-f27.1e100.net lh-in-f26.1e100.net lh-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

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	letweb.dk → 178.104.80.200
🔶 Autoconfig	letweb.dk → 178.104.80.200

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 145ms

TXT Record
v=spf1 include:_spf.google.com ~all

✉️ SPF#

Policy	Record (zerny.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#

latest probe, not this scan · checked 2026-10-13 06:43:45

www CNAME	letweb.dk (all on letweb.dk) → 178.104.80.200 2a01:4f8:1c1a:929::1 (AS24940)
www vs bare domain	Same network zerny.dk: 178.104.80.200 (AS24940) www.zerny.dk: 178.104.80.200 2a01:4f8:1c1a:929::1 (AS24940)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.zerny.dk	letweb.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

124ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2026092101
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-08 22:58:40

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2003-05-26
Expires	2027-05-31 (225d)

📋 WHOIS#

⏱️ Lookup Timing#

32ms

28ms

AAAA

40ms

TXT

145ms

CAA

39ms

HTTPS

36ms

TLSA

101ms

SOA

0ms

MTA-STS

62ms

DNSSEC

124ms

SRV

69ms

Total

767ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 06:43:45	824ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-27 11:04:04	994ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 16:12:45 shown	767ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-12 21:29:48	1098ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-12 23:29:03	3073ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-13 10:55:04	3550ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-27 09:09:53	771ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 00:25:28	932ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 03:48:19	1015ms	2 NS 1 A 1 MX	🔒 Secure