holdon.dk
Last scanned: 2026-08-22 11:57:26  ·  3331ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   236ms
NameserverIP addressesPTRASN / ISP
ns.dandomain.dk 185.25.141.3
2a02:2339:4006:109::dd		 ns.dandomain.dk
ns.dandomain.dk		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.dandomain.dk 2a02:2339:1:108::dd:dd
91.197.248.66		 ns2.dandomain.dk
ns2.dandomain.dk		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
🌍 A Records1 records   251ms
IPTTLPTRASNISP / OrgCIDRCountryCity
93.191.158.42 60s linux22.dandomain.dk AS48854 team.blue Denmark A/S 93.191.152.0/21 🇩🇰 Denmark —
📧 MX Records2 records   233ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mx1.dandomain.dk 212.237.249.50 mx1.dandomain.dk AS48854 team.blue Denmark A/S
20 3600s mx2.dandomain.dk 46.36.209.11 mx2.dandomain.dk AS48854 team.blue Denmark A/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverautodiscover-mf.dandomain.dk → 212.237.249.98
🔶 Autoconfigautoconfig-mf.dandomain.dk → 212.237.249.54
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   459ms
TXT Record
v=spf1 include:spf.dandomain.dk -all
✉️ SPF
PolicyRecord (holdon.dk)
-all (hard fail) v=spf1 include:spf.dandomain.dk -all
📨 DMARC
PolicyRecord (_dmarc.holdon.dk)
p=none (monitor only) v=DMARC1; p=none;
📬 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)
🔐 DNSSEC397ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026082103
Primary NS (MNAME)ns.dandomain.dk
Responsible (RNAME)hostmaster@dandomain.dk
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)300s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
236ms
A
251ms
MX
233ms
AAAA
208ms
TXT
459ms
CAA
245ms
HTTPS
233ms
TLSA
514ms
SOA
0ms
MTA-STS
298ms
DNSSEC
397ms
SRV
282ms
Total
3331ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-22 11:57:26 3331ms 2 NS 1 A 2 MX 🔒 Secure View
2026-07-11 15:33:32 892ms 2 NS 2 A 2 MX 🔒 Secure View
2026-06-23 15:17:15 1120ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-22 02:58:44 1182ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-21 12:33:11 430ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-20 16:10:47 530ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-17 12:11:14 695ms 2 NS 1 A 2 MX 🔒 Secure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone