sfaer.dk
Last scanned: 2026-09-03 03:09:54  ·  641ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   40ms
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 Records
🌍
No A records found
📧 MX Records3 records   60ms
PriorityTTLMail ServerIP addressesPTRASN
10 1800s mx1.gigahost.dk 46.183.139.11 mx1.gigahost.dk AS47292 Sentia Denmark A/S
20 1800s mx2.gigahost.dk 46.183.139.12 mx2.gigahost.dk AS47292 Sentia Denmark A/S
30 1800s mx3.gigahost.dk 46.183.139.13 mx3.gigahost.dk AS47292 Sentia Denmark A/S
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records3 records   74ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 autodiscover.gigahost.dk
_imap._tcp 0 10 143 imap.gigahost.dk
_imaps._tcp 0 10 993 imap.gigahost.dk
📝 TXT Records2 records   175ms
TXT Record
spf2.0/pra
v=spf1 a mx include:dopeserv.com -all
✉️ SPF
PolicyRecord (sfaer.dk)
-all (hard fail) v=spf1 a mx include:dopeserv.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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC101ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial2026081101
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
40ms
A
37ms
MX
60ms
AAAA
56ms
TXT
175ms
CAA
46ms
HTTPS
56ms
TLSA
52ms
SOA
0ms
MTA-STS
68ms
DNSSEC
101ms
SRV
74ms
Total
641ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-03 03:09:54 641ms 2 NS 0 A 3 MX 🔒 Secure View
2026-08-11 19:26:51 795ms 2 NS 0 A 3 MX 🔒 Secure View
2026-07-17 18:12:47 882ms 2 NS 0 A 3 MX 🔒 Secure View
2026-07-14 22:17:15 1120ms 2 NS 0 A 3 MX 🔒 Secure View
2026-06-28 08:26:12 4498ms 2 NS 0 A 3 MX 🔒 Secure View
2026-06-21 04:33:26 824ms 2 NS 0 A 3 MX 🔒 Secure View
2026-06-21 04:16:47 1135ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-18 01:16:39 586ms 2 NS 0 A 3 MX 🔒 Secure View
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