studiekoeb.dk DNS records

🖥️ Nameservers2 records 43ms

Nameserver	IP addresses	PTR	ASN / ISP
glen.ns.cloudflare.com	108.162.193.169 172.64.33.169 173.245.59.169 2606:4700:58::adf5:3ba9 2803:f800:50::6ca2:c1a9 2a06:98c1:50::ac40:21a9	glen.ns.cloudflare.com glen.ns.cloudflare.com glen.ns.cloudflare.com glen.ns.cloudflare.com glen.ns.cloudflare.com glen.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
michelle.ns.cloudflare.com	108.162.192.201 172.64.32.201 173.245.58.201 2606:4700:50::adf5:3ac9 2803:f800:50::6ca2:c0c9 2a06:98c1:50::ac40:20c9	michelle.ns.cloudflare.com michelle.ns.cloudflare.com michelle.ns.cloudflare.com michelle.ns.cloudflare.com michelle.ns.cloudflare.com michelle.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 46ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.2.62	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.128.213	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 43ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:80d5	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::6815:23e	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 40ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.2.62,172.67.128.213 ech=AEX+DQBBcgAgACBa8DKtU0zaA1yY/+WsgYOlX2FVgfyEb3aS8/q11JwNKgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:80d5,2606:4700:3034::6815:23e

📝 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)

🔐 DNSSEC96ms

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	2408572314
Primary NS (MNAME)	glen.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

43ms

A

46ms

MX

46ms

AAAA

43ms

TXT

209ms

CAA

49ms

HTTPS

40ms

TLSA

64ms

SOA

0ms

MTA-STS

69ms

DNSSEC

96ms

SRV

560ms

Total

991ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 19:48:38	991ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-04 21:38:44	9765ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-03 09:31:12	738ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-28 09:31:10	890ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-27 17:16:58	871ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-27 10:46:56	818ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-26 19:09:57	887ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-23 19:26:07	2811ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-21 03:51:08	1278ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-21 02:13:24	1416ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-20 05:23:17	2394ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-19 23:02:08	2199ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 19:15:21	758ms	4 NS 1 A 1 MX	🔓 Insecure	View