exchangestudent.dk

📜 Historical scan 2026-08-14 16:54:01 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

exchangestudent.dk is a .dk domain served by 2 nameservers (harlee.ns.cloudflare.com, rudy.ns.cloudflare.com). It was registered on 16 February 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 188.114.96.3 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 46ms

Nameserver	IP addresses	PTR	ASN / ISP
harlee.ns.cloudflare.com	108.162.194.238 162.159.38.238 172.64.34.238 2606:4700:50::a29f:26ee 2803:f800:50::6ca2:c2ee 2a06:98c1:50::ac40:22ee	harlee.ns.cloudflare.com harlee.ns.cloudflare.com harlee.ns.cloudflare.com harlee.ns.cloudflare.com harlee.ns.cloudflare.com harlee.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
rudy.ns.cloudflare.com	108.162.193.229 172.64.33.229 173.245.59.229 2606:4700:58::adf5:3be5 2803:f800:50::6ca2:c1e5 2a06:98c1:50::ac40:21e5	rudy.ns.cloudflare.com rudy.ns.cloudflare.com rudy.ns.cloudflare.com rudy.ns.cloudflare.com rudy.ns.cloudflare.com rudy.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 51ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
188.114.96.3	300s	—	AS13335	Cloudflare, Inc.	188.114.96.0/22	—	—
188.114.97.3	300s	—	AS13335	Cloudflare, Inc.	188.114.96.0/22	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 55ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a06:98c1:3120::3	300s	—	AS13335	Cloudflare, Inc.	2a06:98c1:3120:0:0:0:0:0/46	—	—
2a06:98c1:3121::3	300s	—	AS13335	Cloudflare, Inc.	2a06:98c1:3120:0:0:0:0:0/46	—	—

🔐 HTTPS Records#

1 records 62ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=188.114.96.3,188.114.97.3 ech=AEX+DQBB0gAgACCuJSUoL8rcJzDYDojxxXs3brXUBJoM8JdOkv3DV4OyIAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::3,2a06:98c1:3121::3

📝 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 2026-10-20 12:39:51

www	104.21.36.22 172.67.184.49 2606:4700:3031::6815:2416 2606:4700:3033::ac43:b831 (AS13335) (address records, no CNAME)
www vs bare domain	Same network exchangestudent.dk: 104.21.36.22 172.67.184.49 2606:4700:3031::6815:2416 2606:4700:3033::ac43:b831 (AS13335) www.exchangestudent.dk: 104.21.36.22 172.67.184.49 2606:4700:3031::6815:2416 2606:4700:3033::ac43:b831 (AS13335)
Wildcard	No

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.exchangestudent.dk	NZMAB-WQtbfbRycsYz7y_mVWTdiu7oTgv9PC3-6j6iU
TXT	_acme-challenge.exchangestudent.dk	xH_KSasHS3vxMIuyCWFyaYlU618dkQMFYKfzxJBzkLU

🔗 TLSA / DANE#

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

🔐 DNSSEC#

143ms

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	2412203671
Primary NS (MNAME)	harlee.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-20 13:20:29

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2026-02-16
Expires	2027-02-15 (116d)

🔗 Same registrant#

15 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
basilicaarhus.dk	Dynadot LLC
betzed.dk	Punktum dk A/S (direct)
comfortbilsalg.dk	Punktum dk A/S (direct)
crowngreen.dk	Punktum dk A/S (direct)
helsefinans.dk	Dynadot LLC
itvwin.dk	Punktum dk A/S (direct)
looniegoldcasino.dk	Punktum dk A/S (direct)
spinlynx.dk	Punktum dk A/S (direct)
supermove.dk	Punktum dk A/S (direct)
tictacbets.dk	Punktum dk A/S (direct)
velwins.dk	Punktum dk A/S (direct)
wagertalescasino.dk	Punktum dk A/S (direct)
whynotbet.dk	Punktum dk A/S (direct)
winningzrush.dk	Punktum dk A/S (direct)
zessbet.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

46ms

51ms

58ms

AAAA

55ms

TXT

181ms

CAA

56ms

HTTPS

62ms

TLSA

142ms

SOA

0ms

MTA-STS

57ms

DNSSEC

143ms

SRV

8104ms

Total

8978ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-20 12:39:51	1940ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-30 12:41:35	554ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-27 05:00:11	501ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-26 04:56:02	954ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-21 21:02:36	2932ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-19 19:29:29	6635ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-17 07:42:12	4004ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-15 17:18:04	896ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-14 16:54:01 shown	8978ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-28 18:56:25	863ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-26 02:13:40	1902ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-23 00:47:15	4161ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-22 01:09:46	1181ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 09:08:52	454ms	2 NS 2 A 0 MX	🔓 Insecure