zfour.dk
Last scanned: 2026-08-26 10:56:56  ·  6685ms total
🧟 Lame delegation ⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   455ms
NameserverIP addressesPTRASN / ISP
ns-1255.awsdns-28.org 205.251.196.231
2600:9000:5304:e700::1		 ns-1255.awsdns-28.org
ns-1255.awsdns-28.org		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
ns-17.awsdns-02.com 205.251.192.17
2600:9000:5300:1100::1		 ns-17.awsdns-02.com
ns-17.awsdns-02.com		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
ns-1935.awsdns-49.co.uk 205.251.199.143
2600:9000:5307:8f00::1		 ns-1935.awsdns-49.co.uk
ns-1935.awsdns-49.co.uk		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
ns-895.awsdns-47.net 205.251.195.127
2600:9000:5303:7f00::1		 ns-895.awsdns-47.net
ns-895.awsdns-47.net		 AS16509 Amazon.com, Inc.
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)
🔐 DNSSEC495ms
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
455ms
A
442ms
MX
502ms
AAAA
456ms
TXT
2148ms
CAA
440ms
HTTPS
445ms
TLSA
422ms
SOA
446ms
MTA-STS
475ms
DNSSEC
495ms
SRV
462ms
Total
6685ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 10:56:56 6685ms 4 NS 0 A 0 MX ❓ Unknown View
2026-08-23 17:48:25 6407ms 4 NS 0 A 0 MX ❓ Unknown View
2026-08-22 13:37:08 11438ms 4 NS 0 A 0 MX ❓ Unknown View
2026-08-21 13:13:30 2142ms 4 NS 0 A 0 MX ❓ Unknown View
2026-08-20 12:50:27 12040ms 4 NS 0 A 0 MX ❓ Unknown View
2026-08-19 07:51:07 1979ms 4 NS 0 A 0 MX ❓ Unknown View
2026-08-18 07:36:11 4785ms 4 NS 0 A 0 MX ❓ Unknown View
2026-08-16 23:00:26 10209ms 4 NS 0 A 0 MX ❓ Unknown View
2026-08-15 11:12:30 4517ms 4 NS 0 A 0 MX ❓ Unknown View
2026-08-14 08:04:37 7048ms 4 NS 0 A 0 MX ❓ Unknown View
2026-08-12 20:23:48 6220ms 4 NS 0 A 0 MX ❓ Unknown View
2026-08-11 14:53:53 5388ms 4 NS 0 A 0 MX ❓ Unknown View
2026-08-10 14:18:01 8515ms 4 NS 0 A 0 MX ❓ Unknown View
2026-08-09 04:41:59 2615ms 4 NS 0 A 0 MX ❓ Unknown View
2026-08-07 22:34:55 5115ms 4 NS 0 A 0 MX ❓ Unknown View
2026-08-06 04:32:02 10610ms 4 NS 0 A 0 MX ❓ Unknown View
2026-07-27 18:36:34 4855ms 4 NS 0 A 0 MX ❓ Unknown View
2026-07-26 18:23:52 14303ms 4 NS 0 A 0 MX ❓ Unknown View
2026-07-25 18:00:28 6630ms 4 NS 0 A 0 MX ❓ Unknown View
2026-07-24 17:12:46 14504ms 4 NS 0 A 0 MX ❓ Unknown View
2026-07-23 13:15:21 6831ms 4 NS 0 A 0 MX ❓ Unknown View
2026-07-22 12:46:28 6064ms 4 NS 0 A 0 MX ❓ Unknown View
2026-07-21 07:38:06 6323ms 4 NS 0 A 0 MX ❓ Unknown View
2026-07-19 18:31:07 12810ms 4 NS 0 A 0 MX ❓ Unknown View
2026-07-18 05:03:09 6185ms 4 NS 0 A 0 MX ❓ Unknown View
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