tekup.dk
Last scanned: 2026-08-31 00:32:07  ·  1139ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   32ms
🌍 A Records2 records   33ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.39.139 300s AS13335 Cloudflare, Inc. 104.21.0.0/17
172.67.146.25 300s AS13335 Cloudflare, Inc. 172.67.128.0/17
📧 MX Records1 records   35ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mail.tekup.dk 57.128.215.250 vps-70333b3c.vps.ovh.net AS16276 OVH SAS
🔷 AAAA Records (IPv6)2 records   31ms
🔐 HTTPS Records1 records   36ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.39.139,172.67.146.25 ech=AEX+DQBBbQAgACDq5ptK1ZSRUTBxz7UGx+0FHPc6JjZ1C4JMqRouYCazWgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:9219,2606:4700:3037::6815:278b
📝 TXT Records1 records   141ms
TXT Record
v=spf1 mx -all
✉️ SPF
PolicyRecord (tekup.dk)
-all (hard fail) v=spf1 mx -all
📨 DMARC
PolicyRecord (_dmarc.tekup.dk)
p=reject v=DMARC1; p=reject; rua=mailto:postmaster@tekup.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
TXT _acme-challenge.tekup.dk 3ISNxvO2CozDSwEjoxLmyZlRd5QqTW_UbHylWvLsxAA
TXT _acme-challenge.tekup.dk oj-h4xnfxexXMBM9n2HvcO4BggJz34GejCiNeldXVVU
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC97ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2413520983
Primary NS (MNAME)fonzie.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
32ms
A
33ms
MX
35ms
AAAA
31ms
TXT
141ms
CAA
34ms
HTTPS
36ms
TLSA
53ms
SOA
0ms
MTA-STS
45ms
DNSSEC
97ms
SRV
51ms
Total
1139ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-31 00:32:07 1139ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-08-24 22:17:13 9640ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-08-23 22:01:16 3200ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-08-15 20:14:05 4635ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-08-14 14:43:33 1587ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-07-27 12:15:12 10444ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-07-26 11:56:24 1982ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-07-15 20:14:10 1204ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-06-26 21:31:04 884ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-06-24 07:26:35 1156ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 16:44:59 2174ms 2 NS 2 A 1 MX 🔓 Insecure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone