seo-underviser.dk
Last scanned: 2026-08-26 21:41:05  ·  733ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   78ms
NameserverIP addressesPTRASN / ISP
josh.ns.cloudflare.com 108.162.193.126
172.64.33.126
173.245.59.126
2606:4700:58::adf5:3b7e
2803:f800:50::6ca2:c17e
2a06:98c1:50::ac40:217e		 josh.ns.cloudflare.com
josh.ns.cloudflare.com
josh.ns.cloudflare.com
josh.ns.cloudflare.com
josh.ns.cloudflare.com
josh.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
lisa.ns.cloudflare.com 108.162.192.131
172.64.32.131
173.245.58.131
2606:4700:50::adf5:3a83
2803:f800:50::6ca2:c083
2a06:98c1:50::ac40:2083		 lisa.ns.cloudflare.com
lisa.ns.cloudflare.com
lisa.ns.cloudflare.com
lisa.ns.cloudflare.com
lisa.ns.cloudflare.com
lisa.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
🌍 A Records2 records   54ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.78.110 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.220.99 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —
📧 MX Records
📧
No MX records found
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover194.126.234.120
🔶 Autoconfig194.126.234.120
🔷 AAAA Records (IPv6)2 records   85ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3034::6815:4e6e 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3035::ac43:dc63 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
🔐 HTTPS Records1 records   88ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.78.110,172.67.220.99 ech=AEX+DQBB5AAgACABapd4L/jVNdxaf0gluT2G7/56pQYsISi2KEnoFpT2AgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:4e6e,2606:4700:3035::ac43:dc63
📝 TXT Records
📝
No TXT records found
✉️ SPF
✗ No SPF record — mail spoofing not restricted
📨 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)
🔐 DNSSEC114ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2411568980
Primary NS (MNAME)josh.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
78ms
A
54ms
MX
109ms
AAAA
85ms
TXT
249ms
CAA
69ms
HTTPS
88ms
TLSA
64ms
SOA
0ms
MTA-STS
80ms
DNSSEC
114ms
SRV
112ms
Total
733ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 21:41:05 733ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-08-08 17:58:26 1188ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-18 03:55:04 19609ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-18 03:49:17 23260ms 2 NS 2 A 0 MX 🔓 Insecure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone