groundzero.dk
Last scanned: 2026-08-12 10:32:48  ·  1229ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   29ms
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   40ms
IPTTLPTRASNISP / OrgCIDRCountryCity
65.98.54.104 43200s — AS25653 FortressITX 65.98.32.0/19 🇺🇸 United States —
📧 MX Records1 records   34ms
PriorityTTLMail ServerIP addressesPTRASN
10 3000s circo.se 194.9.94.85
194.9.94.86		 —
—		 AS39570 Loopia AB
AS39570 Loopia AB
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscovergroundzero.dk → 65.98.54.104
🔶 Autoconfiggroundzero.dk → 65.98.54.104
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records
📝
No TXT records found
✉️ 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
🔏 ACME Challenge
TypeNameValue
CNAME _acme-challenge.groundzero.dk groundzero.dk
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC82ms
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
29ms
A
40ms
MX
34ms
AAAA
44ms
TXT
166ms
CAA
28ms
HTTPS
51ms
TLSA
366ms
SOA
0ms
MTA-STS
47ms
DNSSEC
82ms
SRV
68ms
Total
1229ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-12 10:32:48 1229ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-18 16:47:12 1646ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-13 19:45:13 9120ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-20 07:10:35 1200ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 09:25:57 1079ms 2 NS 1 A 1 MX 🔒 Secure View
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