ulstrup.dk
Last scanned: 2026-08-03 06:14:06  ·  711ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   85ms
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   82ms
IPTTLPTRASNISP / OrgCIDRCountryCity
195.47.247.18 3600s one.com.webforward.g1i.one AS51468 One.com A/S 195.47.247.0/24 — —
📧 MX Records1 records   83ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   221ms
TXT Record
v=spf1 include:_custspf.one.com -all
✉️ SPF
PolicyRecord (ulstrup.dk)
-all (hard fail) v=spf1 include:_custspf.one.com -all
📨 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)
🔐 DNSSEC238ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026073001
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
85ms
A
82ms
MX
83ms
AAAA
68ms
TXT
221ms
CAA
81ms
HTTPS
55ms
TLSA
60ms
SOA
0ms
MTA-STS
62ms
DNSSEC
238ms
SRV
150ms
Total
711ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-03 06:14:06 711ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-30 04:45:32 8408ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-03 10:07:26 590ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-29 14:27:06 914ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-19 17:25:41 635ms 2 NS 1 A 4 MX 🔓 Insecure View
2026-06-17 22:58:26 630ms 2 NS 1 A 4 MX 🔓 Insecure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone