skolecert.dk
Last scanned: 2026-08-18 08:15:09  ·  1412ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   167ms
NameserverIP addressesPTRASN / ISP
lucy.ns.cloudflare.com 108.162.192.133
172.64.32.133
173.245.58.133
2606:4700:50::adf5:3a85
2803:f800:50::6ca2:c085
2a06:98c1:50::ac40:2085		 lucy.ns.cloudflare.com
lucy.ns.cloudflare.com
lucy.ns.cloudflare.com
lucy.ns.cloudflare.com
lucy.ns.cloudflare.com
lucy.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
micah.ns.cloudflare.com 108.162.193.206
172.64.33.206
173.245.59.206
2606:4700:58::adf5:3bce
2803:f800:50::6ca2:c1ce
2a06:98c1:50::ac40:21ce		 micah.ns.cloudflare.com
micah.ns.cloudflare.com
micah.ns.cloudflare.com
micah.ns.cloudflare.com
micah.ns.cloudflare.com
micah.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
🌍 A Records
🌍
No A records found
📧 MX Records
📧
No MX records found
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   491ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (skolecert.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.skolecert.dk)
p=reject v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; rua=mailto:386460bb43274f768239c8285c3a4f50@dmarc-reports.cloudflare.net;
📬 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)
🔐 DNSSEC333ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial2412460356
Primary NS (MNAME)lucy.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
167ms
A
168ms
MX
136ms
AAAA
246ms
TXT
491ms
CAA
182ms
HTTPS
178ms
TLSA
70ms
SOA
0ms
MTA-STS
278ms
DNSSEC
333ms
SRV
295ms
Total
1412ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-18 08:15:09 1412ms 2 NS 0 A 0 MX 🔒 Secure View
2026-08-16 20:53:04 2250ms 2 NS 0 A 0 MX 🔒 Secure View
2026-08-10 09:46:43 3301ms 2 NS 0 A 0 MX 🔒 Secure View
2026-07-17 10:39:53 598ms 2 NS 0 A 0 MX 🔒 Secure View
2026-06-25 14:34:01 816ms 2 NS 0 A 0 MX 🔒 Secure View
2026-06-21 05:34:52 426ms 2 NS 0 A 0 MX 🔒 Secure View
2026-06-17 12:10:47 1417ms 2 NS 0 A 0 MX 🔒 Secure View
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