david-guldager.dk
Last scanned: 2026-08-18 11:13:15  ·  586ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   39ms
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   46ms
IPTTLPTRASNISP / OrgCIDRCountryCity
76.76.21.21 3600s — AS16509 Amazon.com, Inc. 76.76.21.0/24 🇺🇸 United States Walnut
📧 MX Records1 records   45ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   158ms
TXT Record
google-site-verification=5J9iQI8FyD-toZWOtPlDtx62l6QXsInyzPPt86TcNVk
✉️ SPF
✗ No SPF record — mail spoofing not restricted
📨 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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC91ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026081701
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
39ms
A
46ms
MX
45ms
AAAA
50ms
TXT
158ms
CAA
56ms
HTTPS
52ms
TLSA
62ms
SOA
0ms
MTA-STS
72ms
DNSSEC
91ms
SRV
72ms
Total
586ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-18 11:13:15 586ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-14 16:33:23 4693ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-12 14:17:10 1955ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-18 05:43:26 1997ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-15 20:26:51 4514ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-01 02:00:41 541ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-30 18:56:19 546ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-27 22:02:59 513ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-19 09:14:25 652ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 01:11:25 338ms 2 NS 1 A 0 MX 🔒 Secure View
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