duduonline.dk
Last scanned: 2026-06-28 11:47:30  ·  1276ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   218ms
NameserverIP addressesPTRASN / ISP
ns61.domaincontrol.com 2603:5:2153::20
97.74.101.32		 ns61.domaincontrol.com
ns61.domaincontrol.com		 AS44273 Host Europe GmbH
AS44273 Host Europe GmbH
ns62.domaincontrol.com 173.201.69.32
2603:5:2253::20		 ns62.domaincontrol.com
ns62.domaincontrol.com		 AS44273 Host Europe GmbH
AS44273 Host Europe GmbH
🌍 A Records4 records   231ms
IPTTLPTRASNISP / OrgCIDRCountryCity
185.199.108.153 600s cdn-185-199-108-153.github.com AS54113 Fastly, Inc. 185.199.108.0/22 🇺🇸 United States —
185.199.109.153 600s cdn-185-199-109-153.github.com AS54113 Fastly, Inc. 185.199.108.0/22 🇺🇸 United States —
185.199.110.153 600s cdn-185-199-110-153.github.com AS54113 Fastly, Inc. 185.199.108.0/22 🇺🇸 United States —
185.199.111.153 600s cdn-185-199-111-153.github.com AS54113 Fastly, Inc. 185.199.108.0/22 🇺🇸 United States —
📧 MX Records
📧
No MX records found
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records
📝
No TXT records found
✉️ SPF
✗ No SPF record — mail spoofing not restricted
📨 DMARC
PolicyRecord (_dmarc.duduonline.dk)
p=quarantine v=DMARC1; p=quarantine; adkim=r; aspf=r; rua=mailto:dmarc_rua@onsecureserver.net;
📬 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)
🔐 DNSSEC373ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA277ms
FieldValue
Serial2026031703
Primary NS (MNAME)ns61.domaincontrol.com
Responsible (RNAME)dns@jomax.net
Refresh28800s
Retry7200s
Expire604800s
Minimum (neg-cache TTL)600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
218ms
A
231ms
MX
233ms
AAAA
219ms
TXT
574ms
CAA
220ms
HTTPS
222ms
TLSA
186ms
SOA
277ms
MTA-STS
276ms
DNSSEC
373ms
SRV
461ms
Total
1276ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-28 11:47:30 1276ms 2 NS 4 A 0 MX 🔓 Insecure View
2026-06-25 04:38:13 823ms 2 NS 4 A 0 MX 🔓 Insecure View
2026-06-17 04:55:04 613ms 2 NS 4 A 0 MX 🔓 Insecure View
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