kernelresearch.dk
📜 Historical scan 2026-06-17 19:46:24  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   81ms
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   80ms
IPTTLPTRASNISP / OrgCIDRCountryCity
93.191.156.129 — linux246.unoeuro.com AS48854 team.blue Denmark A/S 93.191.152.0/21 🇩🇰 Denmark —
📧 MX Records1 records   122ms
PriorityTTLMail ServerIP addressesPTRASN
1 — smtp.google.com 142.250.147.26
142.250.147.27
142.251.9.26
142.251.9.27
2a00:1450:4025:c01::1a
2a00:1450:4025:c01::1b
2a00:1450:4025:c03::1a
2a00:1450:4025:c03::1b		 rd-in-f26.1e100.net
rd-in-f27.1e100.net
rc-in-f26.1e100.net
rc-in-f27.1e100.net
rd-in-f26.1e100.net
rd-in-f27.1e100.net
rc-in-f26.1e100.net
rc-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover93.191.156.129
🔶 Autoconfig93.191.156.129
🔷 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
google-site-verification=BfGW1iU5UL5aJRNkopkd224ApL6du_lZN3RzXXMJXmc
v=spf1 include:_spf.google.com include:amazonses.com ~all
✉️ SPF
PolicyRecord (kernelresearch.dk)
~all (soft fail) v=spf1 include:_spf.google.com include:amazonses.com ~all
📨 DMARC
PolicyRecord (_dmarc.kernelresearch.dk)
p=reject v=DMARC1; p=reject; rua=mailto:post@kernelresearch.dk
📬 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)
🔐 DNSSEC148ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA95ms
FieldValue
Serial2025122907
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
81ms
A
80ms
MX
122ms
AAAA
80ms
TXT
158ms
CAA
72ms
HTTPS
123ms
TLSA
51ms
SOA
95ms
MTA-STS
43ms
DNSSEC
148ms
SRV
148ms
Total
637ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 13:15:30 622ms 3 NS 1 A 2 MX 🔒 Secure View
2026-07-24 01:14:01 949ms 3 NS 1 A 2 MX 🔒 Secure View
2026-06-17 19:46:24 637ms 3 NS 1 A 1 MX 🔒 Secure View
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