sclabs.dk
Last scanned: 2026-08-26 21:23:56  ·  669ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   39ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com 2a02:2339:1:15c::4562:4562
91.197.248.78		 ns1.simply.com
ns1.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.simply.com 185.25.141.15
2a02:2339:4006:101::4562:4562		 ns2.simply.com
ns2.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns3.simply.com 91.197.248.79 ns3.simply.com AS48854 team.blue Denmark A/S
🌍 A Records1 records   32ms
IPTTLPTRASNISP / OrgCIDRCountryCity
216.198.79.1 3600s — AS16509 Amazon.com, Inc. 216.198.79.0/24 🇺🇸 United States —
📧 MX Records1 records   58ms
PriorityTTLMail ServerIP addressesPTRASN
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
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   158ms
TXT Record
protonmail-verification=03e4ab93ee8a6d72d61037ed2a4d927f034b20d7
v=spf1 include:_spf.protonmail.ch ~all
✉️ SPF
PolicyRecord (sclabs.dk)
~all (soft fail) v=spf1 include:_spf.protonmail.ch ~all
📨 DMARC
PolicyRecord (_dmarc.sclabs.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 / DANE2 records   95ms
Service / OwnerTypeCert association
SMTP _25._tcp.mailsec.protonmail.ch DANE-EE · SPKI · SHA-256 6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch DANE-EE · SPKI · SHA-256 76BB66711DA416433CA890A5B2E5A053…
🔐 DNSSEC115ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026060200
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
39ms
A
32ms
MX
58ms
AAAA
46ms
TXT
158ms
CAA
44ms
HTTPS
39ms
TLSA
95ms
SOA
0ms
MTA-STS
58ms
DNSSEC
115ms
SRV
74ms
Total
669ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 21:23:56 669ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-25 12:27:44 1790ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-23 13:17:21 706ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-22 06:00:34 930ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-19 14:41:17 7792ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-17 13:08:26 568ms 3 NS 1 A 1 MX 🔒 Secure View
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