netprofessor.dk

📜 Historical scan 2026-06-17 16:44:27 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

netprofessor.dk is a .dk domain served by 2 nameservers (jewel.ns.cloudflare.com, karl.ns.cloudflare.com). It was registered on 25 March 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 188.114.96.4 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.netprofessor.dk, mx2.netprofessor.dk. 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 212ms

Nameserver	IP addresses	PTR	ASN / ISP
jewel.ns.cloudflare.com	108.162.194.171 162.159.38.171 172.64.34.171 2606:4700:50::a29f:26ab 2803:f800:50::6ca2:c2ab 2a06:98c1:50::ac40:22ab	jewel.ns.cloudflare.com jewel.ns.cloudflare.com jewel.ns.cloudflare.com jewel.ns.cloudflare.com jewel.ns.cloudflare.com jewel.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
karl.ns.cloudflare.com	108.162.193.190 172.64.33.190 173.245.59.190 2606:4700:58::adf5:3bbe 2803:f800:50::6ca2:c1be 2a06:98c1:50::ac40:21be	karl.ns.cloudflare.com karl.ns.cloudflare.com karl.ns.cloudflare.com karl.ns.cloudflare.com karl.ns.cloudflare.com karl.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 50ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
188.114.96.4	—	—	AS13335	Cloudflare, Inc.	188.114.96.0/22	—	—
188.114.97.4	—	—	AS13335	Cloudflare, Inc.	188.114.96.0/22	—	—

📧 MX Records#

2 records 209ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mx1.netprofessor.dk	—	—	—
20	—	mx2.netprofessor.dk	—	—	—

🔷 AAAA Records (IPv6)#

2 records 52ms

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

🔐 HTTPS Records#

1 records 48ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=188.114.96.0,188.114.97.0 ech=AEX+DQBBcQAgACCLRAjcukzv4fR8BmTwARacd6cY+leAQVPWIttYUEh6LQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::,2a06:98c1:3121::

📝 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 2026-10-07 20:24:13

www	104.21.40.47 172.67.175.191 2606:4700:3034::ac43:afbf 2606:4700:3035::6815:282f (AS13335) (address records, no CNAME)
www vs bare domain	Same network netprofessor.dk: 104.21.40.47 172.67.175.191 2a06:98c1:3120::1 2a06:98c1:3121::1 (AS13335) www.netprofessor.dk: 104.21.40.47 172.67.175.191 2606:4700:3034::ac43:afbf 2606:4700:3035::6815:282f (AS13335)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

224ms

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

🏷️ SOA#

66ms

Field	Value
Serial	2406668111
Primary NS (MNAME)	jewel.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-07 20:53:53

Field	Value
Registrar	Realtime Register B.V.
Registered	2025-03-25
Expires	2027-03-24 (153d)

📋 WHOIS#

⏱️ Lookup Timing#

212ms

50ms

209ms

AAAA

52ms

TXT

202ms

CAA

48ms

HTTPS

48ms

TLSA

104ms

SOA

66ms

MTA-STS

30ms

DNSSEC

224ms

SRV

0ms

Total

1076ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 20:24:13	1073ms	2 NS 2 A 2 MX	🔓 Insecure
2026-10-02 16:28:21	589ms	2 NS 2 A 2 MX	🔓 Insecure
2026-10-01 07:02:43	565ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-10 23:18:08	1943ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-31 11:18:40	10118ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-26 19:57:44	711ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-09 16:29:25	16769ms	2 NS 2 A 2 MX	🔓 Insecure
2026-07-11 12:47:09	9919ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-21 16:01:06	773ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-20 04:59:23	828ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-19 13:24:55	3502ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-17 18:27:54	10901ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-17 16:44:27 shown	1076ms	2 NS 2 A 2 MX	🔓 Insecure