sbit.dk
Last scanned: 2026-06-24 22:16:58  ·  692ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   72ms
NameserverIP addressesPTRASN / ISP
ns.dandomain.dk 185.25.141.3
2a02:2339:4006:109::dd		 ns.dandomain.dk
ns.dandomain.dk		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.dandomain.dk 2a02:2339:1:108::dd:dd
91.197.248.66		 ns2.dandomain.dk
ns2.dandomain.dk		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
🌍 A Records1 records   31ms
IPTTLPTRASNISP / OrgCIDRCountryCity
194.150.113.21 3600s — AS48854 team.blue Denmark A/S 194.150.112.0/22 🇩🇰 Denmark Skanderborg
📧 MX Records2 records   30ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mail.protonmail.ch 176.119.200.128
185.205.70.128
185.70.42.128		 mail.protonmail.ch
mail.protonmail.ch
mail.protonmail.ch		 AS62371 Proton AG
AS62371 Proton AG
AS62371 Proton AG
20 3600s mailsec.protonmail.ch 176.119.200.129
185.205.70.129
185.70.42.129		 mailsec.protonmail.ch
mailsec.protonmail.ch
mailsec.protonmail.ch		 AS62371 Proton AG
AS62371 Proton AG
AS62371 Proton AG
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 52.98.149.152
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records1 records   81ms
ServicePriorityWeightPortTarget
_sipfederationtls._tcp 100 1 5061 sipfed.online.lync.com
📝 TXT Records3 records   191ms
TXT Record
MS=ms95242571
protonmail-verification=64e424e4020d250a46f9a53ede74351d964d1415
v=spf1 include:_spf.protonmail.ch ~all
✉️ SPF
PolicyRecord (sbit.dk)
~all (soft fail) v=spf1 include:_spf.protonmail.ch ~all
📨 DMARC
PolicyRecord (_dmarc.sbit.dk)
p=quarantine v=DMARC1; p=quarantine
📬 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 / DANE4 records   62ms
Service / OwnerTypeCert association
SMTP _25._tcp.mail.protonmail.ch DANE-EE · SPKI · SHA-256 6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mail.protonmail.ch DANE-EE · SPKI · SHA-256 76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mailsec.protonmail.ch DANE-EE · SPKI · SHA-256 6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch DANE-EE · SPKI · SHA-256 76BB66711DA416433CA890A5B2E5A053…
🔐 DNSSEC79ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA69ms
FieldValue
Serial2025051810
Primary NS (MNAME)ns.dandomain.dk
Responsible (RNAME)hostmaster@dandomain.dk
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)300s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
72ms
A
31ms
MX
30ms
AAAA
31ms
TXT
191ms
CAA
31ms
HTTPS
43ms
TLSA
62ms
SOA
69ms
MTA-STS
29ms
DNSSEC
79ms
SRV
81ms
Total
692ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-24 22:16:58 692ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-21 20:53:23 625ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-19 21:37:52 630ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-17 22:01:02 1012ms 2 NS 1 A 2 MX 🔒 Secure View
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