cos.dk
Last scanned: 2026-08-28 07:55:08  ·  5796ms total
🧟 Lame delegation ⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   698ms
NameserverIP addressesPTRASN / ISP
ns1.a2hosting.com 13.248.158.180 a79764cc55c0ac9c0.awsglobalaccelerator.com AS16509 Amazon.com, Inc.
ns2.a2hosting.com 75.2.118.134 abc65dd9a44b5332f.awsglobalaccelerator.com AS16509 Amazon.com, Inc.
ns3.a2hosting.com 76.223.26.245 a79764cc55c0ac9c0.awsglobalaccelerator.com AS16509 Amazon.com, Inc.
ns4.a2hosting.com 99.83.147.209 abc65dd9a44b5332f.awsglobalaccelerator.com AS16509 Amazon.com, 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 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 Records
✗ No CAA records — any CA may issue certificates
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC2084ms
CheckResult
Validation Status❓ Unknown
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: failure
🏷️ SOA
✗ No SOA record found
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
698ms
A
701ms
MX
703ms
AAAA
702ms
TXT
3578ms
CAA
710ms
HTTPS
775ms
TLSA
695ms
SOA
38ms
MTA-STS
721ms
DNSSEC
2084ms
SRV
727ms
Total
5796ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 07:55:08 5796ms 4 NS 0 A 0 MX ❓ Unknown View
2026-08-23 05:44:09 8819ms 4 NS 0 A 0 MX ❓ Unknown View
2026-08-22 05:36:11 5260ms 4 NS 0 A 0 MX ❓ Unknown View
2026-08-21 05:13:11 3085ms 4 NS 0 A 0 MX ❓ Unknown View
2026-08-20 04:45:19 11641ms 4 NS 0 A 0 MX ❓ Unknown View
2026-08-19 04:03:42 14702ms 4 NS 0 A 0 MX ❓ Unknown View
2026-08-18 03:03:04 6829ms 4 NS 0 A 0 MX ❓ Unknown View
2026-08-17 00:53:11 12693ms 4 NS 0 A 0 MX ❓ Unknown View
2026-08-15 13:09:12 12784ms 4 NS 0 A 0 MX ❓ Unknown View
2026-08-14 02:44:51 7532ms 4 NS 0 A 0 MX ❓ Unknown View
2026-08-12 11:22:49 5699ms 4 NS 0 A 0 MX ❓ Unknown View
2026-08-11 10:20:26 5892ms 4 NS 0 A 0 MX ❓ Unknown View
2026-08-10 09:47:50 2182ms 4 NS 0 A 0 MX ❓ Unknown View
2026-08-08 04:11:52 12669ms 4 NS 0 A 0 MX ❓ Unknown View
2026-07-28 21:59:22 12683ms 4 NS 0 A 0 MX ❓ Unknown View
2026-07-27 20:33:08 12833ms 4 NS 0 A 0 MX ❓ Unknown View
2026-07-26 20:18:04 7181ms 4 NS 0 A 0 MX ❓ Unknown View
2026-07-25 20:07:33 2182ms 4 NS 0 A 0 MX ❓ Unknown View
2026-07-24 19:46:00 2542ms 4 NS 0 A 0 MX ❓ Unknown View
2026-07-23 19:13:42 2633ms 4 NS 0 A 0 MX ❓ Unknown View
2026-07-22 15:55:57 2629ms 4 NS 0 A 0 MX ❓ Unknown View
2026-07-21 15:35:58 2383ms 4 NS 0 A 0 MX ❓ Unknown View
2026-07-19 06:32:59 22827ms 4 NS 0 A 0 MX ❓ Unknown View
2026-07-18 05:01:57 2297ms 4 NS 0 A 0 MX ❓ Unknown View
2026-07-16 18:40:49 5938ms 4 NS 0 A 0 MX ❓ Unknown View
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