grysling.dk
Last scanned: 2026-08-27 15:12:31  ·  821ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   64ms
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 Records
🌍
No A records found
📧 MX Records1 records   34ms
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   173ms
TXT Record
v=spf1 a:mail.twelveletter.com -all
✉️ SPF
PolicyRecord (grysling.dk)
-all (hard fail) v=spf1 a:mail.twelveletter.com -all
📨 DMARC
PolicyRecord (_dmarc.grysling.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)
🔐 DNSSEC113ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset
🏷️ 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
64ms
A
35ms
MX
34ms
AAAA
37ms
TXT
173ms
CAA
61ms
HTTPS
70ms
TLSA
84ms
SOA
0ms
MTA-STS
89ms
DNSSEC
113ms
SRV
87ms
Total
821ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 15:12:31 821ms 2 NS 0 A 1 MX 🔒 Secure View
2026-08-12 03:37:49 1126ms 2 NS 0 A 1 MX 🔒 Secure View
2026-07-17 19:50:09 862ms 2 NS 0 A 1 MX 🔒 Secure View
2026-07-14 15:12:16 1480ms 2 NS 0 A 1 MX 🔒 Secure View
2026-06-25 00:47:07 609ms 2 NS 0 A 1 MX 🔒 Secure View
2026-06-23 09:46:49 912ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 09:18:05 1227ms 2 NS 0 A 1 MX 🔒 Secure View
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