studiekorrektur.dk

📜 Historical scan 2026-09-06 19:42:38 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

studiekorrektur.dk is a .dk domain served by 2 nameservers (lauryn.ns.cloudflare.com, peyton.ns.cloudflare.com). It was registered on 24 April 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.51.205 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by in1-smtp.messagingengine.com, in2-smtp.messagingengine.com. 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 34ms

Nameserver	IP addresses	PTR	ASN / ISP
lauryn.ns.cloudflare.com	108.162.194.22 162.159.38.22 172.64.34.22 2606:4700:50::a29f:2616 2803:f800:50::6ca2:c216 2a06:98c1:50::ac40:2216	lauryn.ns.cloudflare.com lauryn.ns.cloudflare.com lauryn.ns.cloudflare.com lauryn.ns.cloudflare.com lauryn.ns.cloudflare.com lauryn.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
peyton.ns.cloudflare.com	108.162.193.221 172.64.33.221 173.245.59.221 2606:4700:58::adf5:3bdd 2803:f800:50::6ca2:c1dd 2a06:98c1:50::ac40:21dd	peyton.ns.cloudflare.com peyton.ns.cloudflare.com peyton.ns.cloudflare.com peyton.ns.cloudflare.com peyton.ns.cloudflare.com peyton.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 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.51.205	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.185.225	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

2 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	in1-smtp.messagingengine.com	103.168.172.216 103.168.172.217 103.168.172.218 103.168.172.219 103.168.172.220 103.168.172.221 103.168.172.222 103.168.172.223	phl-mx-01.messagingengine.com phl-mx-02.messagingengine.com phl-mx-03.messagingengine.com phl-mx-04.messagingengine.com phl-mx-05.messagingengine.com phl-mx-06.messagingengine.com phl-mx-07.messagingengine.com phl-mx-08.messagingengine.com	AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd
20	300s	in2-smtp.messagingengine.com	202.12.124.216 202.12.124.217 202.12.124.218 202.12.124.219	stl-mx-01.messagingengine.com stl-mx-02.messagingengine.com stl-mx-03.messagingengine.com stl-mx-04.messagingengine.com	AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd

🔷 AAAA Records (IPv6)#

2 records 25ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:b9e1	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:33cd	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 24ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.51.205,172.67.185.225 ech=AEX+DQBB6gAgACCEnYMai5jUsTpc1N9XVBEsNef9ADwQWjJsN2c2xqq1awAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:b9e1,2606:4700:3037::6815:33cd

📝 TXT Records#

2 records 133ms

TXT Record
spf2.0/pra
v=spf1 mx include:spf.messagingengine.com -all

✉️ SPF#

Policy	Record (studiekorrektur.dk)
-all (hard fail)	v=spf1 mx include:spf.messagingengine.com -all

📨 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 2026-10-11 07:47:02

www	104.21.51.205 172.67.185.225 2606:4700:3033::ac43:b9e1 2606:4700:3037::6815:33cd (AS13335) (address records, no CNAME)
www vs bare domain	Same network studiekorrektur.dk: 104.21.51.205 172.67.185.225 2606:4700:3033::ac43:b9e1 2606:4700:3037::6815:33cd (AS13335) www.studiekorrektur.dk: 104.21.51.205 172.67.185.225 2606:4700:3033::ac43:b9e1 2606:4700:3037::6815:33cd (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

108ms

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	2414202155
Primary NS (MNAME)	lauryn.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-09 05:19:50

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2014-04-24
Expires	2029-04-30 (916d)

📋 WHOIS#

⏱️ Lookup Timing#

34ms

31ms

36ms

AAAA

25ms

TXT

133ms

CAA

30ms

HTTPS

24ms

TLSA

252ms

SOA

0ms

MTA-STS

45ms

DNSSEC

108ms

SRV

43ms

Total

1279ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-11 07:47:02	2824ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-06 19:42:38 shown	1279ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-26 20:30:50	1369ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-26 01:13:24	2310ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-12 10:05:29	1926ms	2 NS 2 A 2 MX	🔓 Insecure
2026-07-11 10:35:08	9667ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-25 22:00:35	3036ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-25 05:16:31	1047ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-19 17:52:28	892ms	2 NS 2 A 2 MX	⚠️ Bogus
2026-06-17 19:44:39	907ms	2 NS 2 A 2 MX	🔓 Insecure