holder100.dk
Last scanned: 2026-08-26 17:43:30  ·  1530ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   54ms
🌍 A Records2 records   61ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.43.100 300s AS13335 Cloudflare, Inc. 104.21.0.0/17
172.67.178.4 300s AS13335 Cloudflare, Inc. 172.67.128.0/17
📧 MX Records1 records   68ms
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover104.21.43.100
🔷 AAAA Records (IPv6)2 records   58ms
🔐 HTTPS Records1 records   68ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.43.100,172.67.178.4 ech=AEX+DQBBAQAgACCmE08AFi8wj8zkVCYeEKkHTSWCakI5+RhKNOfGMHA4TgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:2b64,2606:4700:3033::ac43:b204
📝 TXT Records5 records   242ms
TXT Record
facebook-domain-verification=olhq68qk6lxsljjw158u89e1vxjuq1
google-site-verification=6xoUtIeQLgkgFlM33mHlPEJF-Cq0Bn_wPtVQAmQY8zQ
MS=ms62232499
Sendinblue-code:4f752977947c38b090c8f83b8cd94c51
v=spf1 include:spf.protection.outlook.com -all
✉️ SPF
PolicyRecord (holder100.dk)
-all (hard fail) v=spf1 include:spf.protection.outlook.com -all
📨 DMARC
PolicyRecord (_dmarc.holder100.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)
🔐 DNSSEC140ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2411059388
Primary NS (MNAME)daniella.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
54ms
A
61ms
MX
68ms
AAAA
58ms
TXT
242ms
CAA
84ms
HTTPS
68ms
TLSA
606ms
SOA
0ms
MTA-STS
103ms
DNSSEC
140ms
SRV
105ms
Total
1530ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 17:43:30 1530ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-08-03 17:50:15 4230ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-07-09 02:44:13 11065ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-06-21 00:46:20 1211ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-06-17 13:12:50 261ms 0 NS 0 A 0 MX ❓ Unknown View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone