arkolog.dk
Last scanned: 2026-08-11 19:55:20  ·  642ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   53ms
NameserverIP addressesPTRASN / ISP
ns01.one.com 195.206.121.10
2001:67c:28cc::10		 ns01.one.com
ns01.one.com		 AS197495 One.com A/S
AS197495 One.com A/S
ns02.one.com 185.10.11.10
2001:67c:3c0::10		 ns02.one.com
ns02.one.com		 AS51468 One.com A/S
AS51468 One.com A/S
🌍 A Records1 records   44ms
IPTTLPTRASNISP / OrgCIDRCountryCity
149.210.169.89 43200s sigstop.twelveletter.com AS20857 Signet B.V. 149.210.128.0/17 🇳🇱 The Netherlands —
📧 MX Records1 records   44ms
PriorityTTLMail ServerIP addressesPTRASN
10 43200s mail.twelveletter.com 149.210.169.89
2a01:7c8:aaac:328::1		 sigstop.twelveletter.com
sigstop.twelveletter.com		 AS20857 Signet B.V.
AS20857 Signet B.V.
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   163ms
TXT Record
v=spf1 a:mail.twelveletter.com -all
✉️ SPF
PolicyRecord (arkolog.dk)
-all (hard fail) v=spf1 a:mail.twelveletter.com -all
📨 DMARC
PolicyRecord (_dmarc.arkolog.dk)
p=reject v=DMARC1; p=reject; rua=mailto:qb8tp6zs@ag.dmarcian.com;
📬 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)
🔐 DNSSEC96ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026081101
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
53ms
A
44ms
MX
44ms
AAAA
56ms
TXT
163ms
CAA
58ms
HTTPS
52ms
TLSA
53ms
SOA
0ms
MTA-STS
55ms
DNSSEC
96ms
SRV
70ms
Total
642ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-11 19:55:20 642ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-18 07:27:21 1543ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-17 04:59:44 10638ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-14 00:03:38 835ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-28 16:28:09 2014ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-16 13:40:20 834ms 2 NS 1 A 1 MX 🔒 Secure View
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