webduo.dk
Last scanned: 2026-08-24 23:51:46  ·  710ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   34ms
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   38ms
IPTTLPTRASNISP / OrgCIDRCountryCity
185.10.221.79 14400s 185-10-221-79.ip4.fiberby.net AS42541 Fiberby ApS 185.10.220.0/22 🇩🇰 Denmark Copenhagen
📧 MX Records2 records   31ms
PriorityTTLMail ServerIP addressesPTRASN
10 14400s 185-10-221-79.ip4.fiberby.net 185.10.221.79 185-10-221-79.ip4.fiberby.net AS42541 Fiberby ApS
20 14400s webduo.dk 185.10.221.79 185-10-221-79.ip4.fiberby.net AS42541 Fiberby ApS
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverwebduo.dk → 185.10.221.79
🔶 Autoconfigwebduo.dk → 185.10.221.79
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   154ms
TXT Record
v=spf1 mx -all
✉️ SPF
PolicyRecord (webduo.dk)
-all (hard fail) v=spf1 mx -all
📨 DMARC
PolicyRecord (_dmarc.webduo.dk)
p=reject v=DMARC1; p=reject; pct=100; rua=mailto:dmarc-reports@webduo.dk
📬 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
🔏 ACME Challenge
TypeNameValue
CNAME _acme-challenge.webduo.dk webduo.dk
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC80ms
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
34ms
A
38ms
MX
31ms
AAAA
37ms
TXT
154ms
CAA
52ms
HTTPS
42ms
TLSA
116ms
SOA
0ms
MTA-STS
48ms
DNSSEC
80ms
SRV
59ms
Total
710ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-24 23:51:46 710ms 2 NS 1 A 2 MX 🔒 Secure View
2026-08-11 15:14:42 3720ms 2 NS 1 A 2 MX 🔒 Secure View
2026-07-17 20:04:59 938ms 2 NS 1 A 2 MX 🔒 Secure View
2026-07-12 06:40:42 1169ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-18 08:23:51 821ms 2 NS 1 A 2 MX 🔒 Secure View
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