studyquiz.dk

📜 Historical scan 2026-09-07 16:53:40 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

studyquiz.dk is a .dk domain served by 2 nameservers (betty.ns.cloudflare.com, gordon.ns.cloudflare.com). It was registered on 29 December 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.31.166 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 25ms

Nameserver	IP addresses	PTR	ASN / ISP
betty.ns.cloudflare.com	108.162.192.75 172.64.32.75 173.245.58.75 2606:4700:50::adf5:3a4b 2803:f800:50::6ca2:c04b 2a06:98c1:50::ac40:204b	betty.ns.cloudflare.com betty.ns.cloudflare.com betty.ns.cloudflare.com betty.ns.cloudflare.com betty.ns.cloudflare.com betty.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
gordon.ns.cloudflare.com	108.162.193.170 172.64.33.170 173.245.59.170 2606:4700:58::adf5:3baa 2803:f800:50::6ca2:c1aa 2a06:98c1:50::ac40:21aa	gordon.ns.cloudflare.com gordon.ns.cloudflare.com gordon.ns.cloudflare.com gordon.ns.cloudflare.com gordon.ns.cloudflare.com gordon.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 30ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.31.166	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.178.172	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 37ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:1fa6	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::ac43:b2ac	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 27ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.31.166,172.67.178.172 ech=AEX+DQBBOQAgACCQ49MokvchDv1/U/REnSIv5RUCKhzgJ2yfUfBmonOMdgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:1fa6,2606:4700:3034::ac43:b2ac

📝 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-15 12:55:42

www	104.21.31.166 172.67.178.172 2606:4700:3031::6815:1fa6 2606:4700:3034::ac43:b2ac (AS13335) (address records, no CNAME)
www vs bare domain	Same network studyquiz.dk: 104.21.31.166 172.67.178.172 2606:4700:3031::6815:1fa6 2606:4700:3034::ac43:b2ac (AS13335) www.studyquiz.dk: 104.21.31.166 172.67.178.172 2606:4700:3031::6815:1fa6 2606:4700:3034::ac43:b2ac (AS13335)
Wildcard	No

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.studyquiz.dk	A1KH-SUaYD7rDUSSAA4sYU53F8mC9_Bqj4w19qLGWYI
TXT	_acme-challenge.studyquiz.dk	hojD8sZlcPsYo_U6UKeJQFXhPdGS8KybOY03d_s87XA

🔗 TLSA / DANE#

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

🔐 DNSSEC#

106ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2414042745
Primary NS (MNAME)	betty.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-03 01:00:01

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2019-12-29
Expires	2027-04-30 (194d)

📋 WHOIS#

⏱️ Lookup Timing#

25ms

30ms

29ms

AAAA

37ms

TXT

143ms

CAA

36ms

HTTPS

27ms

TLSA

44ms

SOA

0ms

MTA-STS

53ms

DNSSEC

106ms

SRV

50ms

Total

484ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 00:24:32	1877ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-02 00:17:58	2207ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-28 23:53:36	654ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-27 23:24:15	611ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-25 22:50:49	587ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-24 22:32:06	617ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-20 05:54:10	596ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-14 18:50:25	3214ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-07 16:53:40 shown	484ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-01 13:46:22	1056ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-21 04:08:25	2884ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-26 06:12:58	1946ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-17 11:35:40	628ms	2 NS 2 A 0 MX	🔓 Insecure