cis-edu.dk DNS records

🖥️ Nameservers2 records 34ms

Nameserver	IP addresses	PTR	ASN / ISP
alexandra.ns.cloudflare.com	108.162.194.30 162.159.38.30 172.64.34.30 2606:4700:50::a29f:261e 2803:f800:50::6ca2:c21e 2a06:98c1:50::ac40:221e	alexandra.ns.cloudflare.com alexandra.ns.cloudflare.com alexandra.ns.cloudflare.com alexandra.ns.cloudflare.com alexandra.ns.cloudflare.com alexandra.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
venkat.ns.cloudflare.com	108.162.195.254 162.159.44.254 172.64.35.254 2606:4700:58::a29f:2cfe 2803:f800:50::6ca2:c3fe 2a06:98c1:50::ac40:23fe	venkat.ns.cloudflare.com venkat.ns.cloudflare.com venkat.ns.cloudflare.com venkat.ns.cloudflare.com venkat.ns.cloudflare.com venkat.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.51.65	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.223.152	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 34ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::ac43:df98	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:3341	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 36ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.51.65,172.67.223.152 ech=AEX+DQBBRgAgACDgaNOvAMvElhFmdVdE2XGFNVk0aUo60AWhRKS1DACgUAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:df98,2606:4700:3037::6815:3341

📝 TXT Records2 records 151ms

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

🔗 TLSA / DANE

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

🔐 DNSSEC104ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2413161236
Primary NS (MNAME)	alexandra.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

34ms

A

38ms

MX

54ms

AAAA

34ms

TXT

151ms

CAA

27ms

HTTPS

36ms

TLSA

41ms

SOA

0ms

MTA-STS

54ms

DNSSEC

104ms

SRV

48ms

Total

487ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 20:44:18	487ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-25 00:46:45	2570ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-18 21:14:02	5410ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-17 13:39:18	863ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-27 19:29:23	1062ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-16 14:26:22	954ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-20 07:34:27	479ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-16 20:55:10	421ms	2 NS 2 A 0 MX	🔓 Insecure	View