4ch.dk
📜 Historical scan 2026-06-16 12:47:08  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   108ms
NameserverIP addressesPTRASN / ISP
ns01.one.com — — —
ns02.one.com — — —
🌍 A Records1 records   101ms
IPTTLPTRASNISP / OrgCIDRCountryCity
185.109.64.18 — 4ch.dk AS24800 BornFiber Service Provider ApS 185.109.64.0/22 🇩🇰 Denmark —
📧 MX Records1 records   113ms
PriorityTTLMail ServerIP addressesPTRASN
10 — 4ch-dk.mail.protection.outlook.com 52.101.68.10
52.101.73.1
52.101.73.19
52.101.73.2		 mail-dbbpr03cu00102.inbound.protection.outlook.com
mail-am3pr04cu00501.inbound.protection.outlook.com
mail-as8pr04cu00803.inbound.protection.outlook.com
mail-as9pr07cu00302.inbound.protection.outlook.com		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   228ms
TXT Record
ms58635878
v=spf1 include:spf.protection.outlook.com -all
✉️ SPF
PolicyRecord (4ch.dk)
-all (hard fail) v=spf1 include:spf.protection.outlook.com -all
📨 DMARC
PolicyRecord (_dmarc.4ch.dk)
p=quarantine v=DMARC1; p=quarantine;
📬 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)
🔐 DNSSEC230ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA110ms
FieldValue
Serial2026052901
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
108ms
A
101ms
MX
113ms
AAAA
106ms
TXT
228ms
CAA
103ms
HTTPS
111ms
TLSA
162ms
SOA
110ms
MTA-STS
56ms
DNSSEC
230ms
SRV
0ms
Total
837ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-31 21:59:28 1184ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-29 18:56:35 1132ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-06 03:50:48 2193ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-30 19:20:49 757ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-16 12:47:08 837ms 2 NS 1 A 1 MX 🔒 Secure View
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