onlineadvertising.dk
Last scanned: 2026-08-27 14:43:51  ·  583ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   44ms
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   45ms
IPTTLPTRASNISP / OrgCIDRCountryCity
91.209.39.3 600s — AS62121 Christian Ebsen ApS 91.209.39.0/24 🇩🇰 Denmark —
📧 MX Records1 records   40ms
PriorityTTLMail ServerIP addressesPTRASN
10 43200s mail.onlineadvertising.dk 91.209.39.3 — AS62121 Christian Ebsen ApS
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover91.209.39.3
🔶 Autoconfig91.209.39.3
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   180ms
TXT Record
v=spf1 ip4:91.209.39.0/24 ip4:195.41.131.33 ip4:194.192.14.71 ip4:80.196.101.134 -all
✉️ SPF
PolicyRecord (onlineadvertising.dk)
-all (hard fail) v=spf1 ip4:91.209.39.0/24 ip4:195.41.131.33 ip4:194.192.14.71 ip4:80.196.101.134 -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)
🔐 DNSSEC70ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026032501
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
44ms
A
45ms
MX
40ms
AAAA
44ms
TXT
180ms
CAA
55ms
HTTPS
37ms
TLSA
71ms
SOA
0ms
MTA-STS
70ms
DNSSEC
70ms
SRV
71ms
Total
583ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 14:43:51 583ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-02 12:44:46 2439ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-25 18:05:21 2602ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-21 09:21:20 932ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-19 21:44:22 452ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 13:41:28 1911ms 2 NS 1 A 1 MX 🔒 Secure View
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