derva.dk
📜 Historical scan 2026-06-17 02:10:05  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   60ms
NameserverIP addressesPTRASN / ISP
ns01.one.com — — —
ns02.one.com — — —
🌍 A Records1 records   102ms
IPTTLPTRASNISP / OrgCIDRCountryCity
49.12.73.138 — static.138.73.12.49.clients.your-server.de AS24940 Hetzner Online GmbH 49.12.0.0/15 🇩🇪 Germany Falkenstein
📧 MX Records1 records   64ms
PriorityTTLMail ServerIP addressesPTRASN
1 — smtp.google.com 142.250.147.26
142.250.147.27
142.251.9.26
142.251.9.27		 rd-in-f26.1e100.net
rd-in-f27.1e100.net
rc-in-f26.1e100.net
rc-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   123ms
TXT Record
google-site-verification=MdAklxd2cdsXluP9SktKl23V-av7F1pHxXThn8jny0s
✉️ SPF
✗ No SPF record — mail spoofing not restricted
📨 DMARC
PolicyRecord (_dmarc.derva.dk)
p=none (monitor only) v=DMARC1; p=none;
📬 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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC184ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA56ms
FieldValue
Serial2026061001
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
60ms
A
102ms
MX
64ms
AAAA
58ms
TXT
123ms
CAA
68ms
HTTPS
71ms
TLSA
106ms
SOA
56ms
MTA-STS
39ms
DNSSEC
184ms
SRV
0ms
Total
708ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-13 08:40:55 5265ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-10 01:24:06 1434ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-06 05:50:04 1850ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-11 18:21:11 7514ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-03 13:01:03 3829ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-29 21:02:43 956ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-25 09:54:56 1645ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-20 03:26:31 2032ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 02:10:05 708ms 2 NS 1 A 1 MX 🔒 Secure View
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