sfw.dk
📜 Historical scan 2026-06-19 22:28:01  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   58ms
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   56ms
IPTTLPTRASNISP / OrgCIDRCountryCity
77.243.46.251 3600s mail.sfw.dk AS42525 GlobalConnect A/S 77.243.32.0/20 🇩🇰 Denmark Nørre Åby
📧 MX Records1 records   71ms
PriorityTTLMail ServerIP addressesPTRASN
5 3600s mail.sfw.dk 77.243.46.251 mail.sfw.dk AS42525 GlobalConnect A/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover77.243.46.251
🔶 Autoconfig77.243.46.251
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   201ms
TXT Record
google-site-verification=qlwxcUiwDPCKyJtzUy4ogmvNHrPLjfgYH8h-fqCIOMU
v=spf1 mx -all
✉️ SPF
PolicyRecord (sfw.dk)
-all (hard fail) v=spf1 mx -all
📨 DMARC
PolicyRecord (_dmarc.sfw.dk)
p=reject v=DMARC1; p=reject; rua=mailto:sh0smwh8@ag.dmarcian.com;
📬 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)
🔐 DNSSEC162ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA63ms
FieldValue
Serial2026061805
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
58ms
A
56ms
MX
71ms
AAAA
75ms
TXT
201ms
CAA
65ms
HTTPS
61ms
TLSA
133ms
SOA
63ms
MTA-STS
41ms
DNSSEC
162ms
SRV
200ms
Total
590ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-18 02:57:55 2759ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-21 06:01:06 822ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-26 02:28:54 1574ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-19 22:28:01 590ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-18 06:14:38 967ms 2 NS 1 A 1 MX 🔒 Secure View
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