zerny.dk
Last scanned: 2026-08-12 23:29:03  ·  3073ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   166ms
NameserverIP addressesPTRASN / 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 Records1 records   174ms
IPTTLPTRASNISP / OrgCIDRCountryCity
178.104.80.200 3600s letweb.dk AS24940 Hetzner Online GmbH 178.104.0.0/15 🇩🇪 Germany Nuremberg
📧 MX Records1 records   198ms
PriorityTTLMail ServerIP addressesPTRASN
1 3600s smtp.google.com 142.251.127.26
142.251.127.27
2a00:1450:4001:c21::1a
2a00:1450:4001:c21::1b		 lcfrai-in-f26.1e100.net
lcfrai-in-f27.1e100.net
lcfrai-in-f26.1e100.net
lcfrai-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverletweb.dk → 178.104.80.200
🔶 Autoconfigletweb.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 Records1 records   768ms
TXT Record
v=spf1 include:_spf.google.com ~all
✉️ SPF
PolicyRecord (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
🔏 ACME Challenge
TypeNameValue
CNAME _acme-challenge.zerny.dk letweb.dk
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC589ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026081201
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
166ms
A
174ms
MX
198ms
AAAA
248ms
TXT
768ms
CAA
267ms
HTTPS
276ms
TLSA
184ms
SOA
0ms
MTA-STS
456ms
DNSSEC
589ms
SRV
255ms
Total
3073ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-12 23:29:03 3073ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-13 10:55:04 3550ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-27 09:09:53 771ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-20 00:25:28 932ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-18 03:48:19 1015ms 2 NS 1 A 1 MX 🔒 Secure View
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