mathblog.dk
Last scanned: 2026-08-30 01:40:39  ·  1652ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   58ms
NameserverIP addressesPTRASN / ISP
ns1.parkingcrew.net 13.248.158.159 a94f3aae71d6f0705.awsglobalaccelerator.com AS16509 Amazon.com, Inc.
ns2.parkingcrew.net 76.223.21.9 a94f3aae71d6f0705.awsglobalaccelerator.com AS16509 Amazon.com, Inc.
🌍 A Records1 records   50ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.247.81.99 3600s — AS206834 Team Internet AG 104.247.80.0/22 🇨🇦 Canada —
📧 MX Records1 records   45ms
PriorityTTLMail ServerIP addressesPTRASN
1 3600s alltheemails.com 185.52.207.61 — AS8860 Delta HighTech Ltd.
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover104.247.81.99
🔶 Autoconfig104.247.81.99
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records
📝
No TXT records found
✉️ SPF
✗ No SPF record — mail spoofing not restricted
📨 DMARC
✗ No DMARC record — mail spoofing not restricted
📬 MTA-STS
✗ No MTA-STS policy — SMTP TLS not enforced
📈 TLSRPT
✗ No TLSRPT record — no SMTP TLS failure reporting
📜 CAA Records1 records   46ms
FlagsTagValue
0 issue letsencrypt.org
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC121ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial1787921496
Primary NS (MNAME)ns1.parkingcrew.net
Responsible (RNAME)hostmaster@mathblog.dk
Refresh28800s
Retry7200s
Expire604800s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
58ms
A
50ms
MX
45ms
AAAA
47ms
TXT
338ms
CAA
46ms
HTTPS
43ms
TLSA
964ms
SOA
0ms
MTA-STS
76ms
DNSSEC
121ms
SRV
109ms
Total
1652ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-30 01:40:39 1652ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-08-27 07:35:21 1596ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-08-26 07:34:34 1558ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-08-24 23:23:54 2628ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-08-21 20:23:10 3067ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-08-20 20:16:27 34700ms 2 NS 0 A 1 MX 🔓 Insecure View
2026-08-18 16:24:15 3029ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-08-07 03:02:02 2143ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-07-31 00:11:03 2846ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-06-18 05:48:48 5301ms 2 NS 1 A 1 MX 🔓 Insecure View
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