cis-edu.dk

📜 Historical scan 2026-06-16 20:55:10  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cis-edu.dk is a .dk domain served by 2 nameservers (alexandra.ns.cloudflare.com, venkat.ns.cloudflare.com). It was registered on 24 June 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.51.65 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   35ms
NameserverIP addressesPTRASN / ISP
alexandra.ns.cloudflare.com — — —
venkat.ns.cloudflare.com — — —

🌍 A Records#

2 records   36ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.51.65 — — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.223.152 — — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

📧
No MX records found

🔷 AAAA Records (IPv6)#

2 records   36ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3032::6815:3341 — — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3032::ac43:df98 — — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   32ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.51.65,172.67.223.152 ech=AEX+DQBBFgAgACCwNFLgRRTjCPoQPifC2po/IvrwYwTTzGDqxOmWREutYwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:3341,2606:4700:3032::ac43:df98

📝 TXT Records#

2 records   124ms
TXT Record
google-site-verification=2OzguH4ink507x5oCQb5c-YBqHH7X8IVpCCpZb1VBfo
google-site-verification=rF7sB3_e5Aj5Z8L2tYE_0UfXXwNJq6lMAbCuyjZG4pM

✉️ 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-15 15:16:14
www104.21.51.65 172.67.223.152 2606:4700:3032::ac43:df98 2606:4700:3037::6815:3341 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

99ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

46ms
FieldValue
Serial2406939550
Primary NS (MNAME)alexandra.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-09 14:02:37
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2020-06-24
Expires2027-04-30 (193d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
35ms
A
36ms
MX
35ms
AAAA
36ms
TXT
124ms
CAA
32ms
HTTPS
32ms
TLSA
81ms
SOA
46ms
MTA-STS
42ms
DNSSEC
99ms
SRV
0ms
Total
421ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-15 15:16:14 2944ms 2 NS 2 A 3 MX 🔓 Insecure
2026-10-02 05:01:26 705ms 2 NS 2 A 3 MX 🔓 Insecure
2026-09-30 04:34:27 800ms 2 NS 2 A 3 MX 🔓 Insecure
2026-09-29 04:12:05 1188ms 2 NS 2 A 3 MX 🔓 Insecure
2026-09-26 02:54:21 761ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-25 02:44:07 622ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-12 19:47:36 1005ms 2 NS 2 A 0 MX 🔓 Insecure
2026-08-26 20:44:18 487ms 2 NS 2 A 0 MX 🔓 Insecure
2026-08-25 00:46:45 2570ms 2 NS 2 A 0 MX 🔓 Insecure
2026-08-18 21:14:02 5410ms 2 NS 2 A 0 MX 🔓 Insecure
2026-08-17 13:39:18 863ms 2 NS 2 A 0 MX 🔓 Insecure
2026-07-27 19:29:23 1062ms 2 NS 2 A 0 MX 🔓 Insecure
2026-07-16 14:26:22 954ms 2 NS 2 A 0 MX 🔓 Insecure
2026-06-20 07:34:27 479ms 2 NS 2 A 0 MX 🔓 Insecure
2026-06-16 20:55:10 shown 421ms 2 NS 2 A 0 MX 🔓 Insecure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone