gf1.dk
Last scanned: 2026-08-26 23:43:47  ·  709ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   36ms
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   42ms
IPTTLPTRASNISP / OrgCIDRCountryCity
93.184.203.199 43200s 1572391880.dhcp.nefnet.dk AS47304 nef Fonden 93.184.192.0/20 🇩🇰 Denmark Odense
📧 MX Records1 records   77ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscovergf1.dk → 93.184.203.199
🔶 Autoconfiggf1.dk → 93.184.203.199
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   181ms
TXT Record
v=spf1 a a:www.fafdifh.dk ~all
✉️ SPF
PolicyRecord (gf1.dk)
~all (soft fail) v=spf1 a a:www.fafdifh.dk ~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.gf1.dk gf1.dk
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC125ms
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
36ms
A
42ms
MX
77ms
AAAA
83ms
TXT
181ms
CAA
45ms
HTTPS
50ms
TLSA
66ms
SOA
0ms
MTA-STS
96ms
DNSSEC
125ms
SRV
79ms
Total
709ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 23:43:47 709ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-13 03:36:47 698ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-18 21:20:43 822ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-14 06:23:38 725ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-02 14:03:17 699ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-24 12:25:58 681ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-21 02:35:04 725ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-19 19:10:04 876ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 10:36:09 871ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-17 10:32:12 668ms 2 NS 1 A 0 MX 🔒 Secure View
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