studenterboghandel.dk

📜 Historical scan 2026-09-25 21:17:10 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

studenterboghandel.dk is a .dk domain served by 2 nameservers (lee.ns.cloudflare.com, phoenix.ns.cloudflare.com). It was registered on 25 January 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.79.39 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 41ms

Nameserver	IP addresses	PTR	ASN / ISP
lee.ns.cloudflare.com	108.162.193.129 172.64.33.129 173.245.59.129 2606:4700:58::adf5:3b81 2803:f800:50::6ca2:c181 2a06:98c1:50::ac40:2181	lee.ns.cloudflare.com lee.ns.cloudflare.com lee.ns.cloudflare.com lee.ns.cloudflare.com lee.ns.cloudflare.com lee.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
phoenix.ns.cloudflare.com	108.162.194.201 162.159.38.201 172.64.34.201 2606:4700:50::a29f:26c9 2803:f800:50::6ca2:c2c9 2a06:98c1:50::ac40:22c9	phoenix.ns.cloudflare.com phoenix.ns.cloudflare.com phoenix.ns.cloudflare.com phoenix.ns.cloudflare.com phoenix.ns.cloudflare.com phoenix.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 36ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.79.39	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.141.233	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 38ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:4f27	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::ac43:8de9	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 35ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.79.39,172.67.141.233 ech=AEX+DQBBlAAgACAIH84abfoD68AV5yjRG5bgpbNat9TTtXYvw1Y5lrnzOAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:4f27,2606:4700:3034::ac43:8de9

📝 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 2026-10-10 03:46:09

www	104.21.79.39 172.67.141.233 2606:4700:3030::6815:4f27 2606:4700:3034::ac43:8de9 (AS13335) (address records, no CNAME)
www vs bare domain	Same network studenterboghandel.dk: 104.21.79.39 172.67.141.233 2606:4700:3030::6815:4f27 2606:4700:3034::ac43:8de9 (AS13335) www.studenterboghandel.dk: 104.21.79.39 172.67.141.233 2606:4700:3030::6815:4f27 2606:4700:3034::ac43:8de9 (AS13335)
Wildcard	No

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.studenterboghandel.dk	4WPzEFctkO8XWN1WIfNmYF0bEj-Z1RoY0NCU97UO7NA
TXT	_acme-challenge.studenterboghandel.dk	gWGE879WFhPABjHXwoiZ95J1KmVFrA1NQqNZ6TPb2vk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

109ms

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	2415835537
Primary NS (MNAME)	lee.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-04 22:41:39

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2010-01-25
Expires	2027-01-31 (104d)

📋 WHOIS#

⏱️ Lookup Timing#

41ms

36ms

34ms

AAAA

38ms

TXT

179ms

CAA

46ms

HTTPS

35ms

TLSA

48ms

SOA

0ms

MTA-STS

52ms

DNSSEC

109ms

SRV

57ms

Total

600ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-04 22:18:57	351ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-01 22:10:29	667ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-29 21:48:36	1120ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-28 21:44:57	569ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-25 21:17:10 shown	600ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-24 21:12:46	1137ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-16 19:53:25	1308ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-06 06:07:49	1719ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-24 21:33:14	9649ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-21 14:41:07	867ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-25 18:40:55	1133ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-20 10:47:31	571ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-17 14:35:28	2278ms	2 NS 2 A 0 MX	🔓 Insecure