matematikfesser.dk

Records from scan: 2026-10-13 12:32:49 · 839ms total · last checked 2026-10-17 17:44 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

matematikfesser.dk is a .dk domain served by 2 nameservers (cortney.ns.cloudflare.com, eric.ns.cloudflare.com). It was registered on 11 May 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 134.213.60.44 is hosted by Rackspace Ltd. (AS15395) in United Kingdom. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 44ms

Nameserver	IP addresses	PTR	ASN / ISP
cortney.ns.cloudflare.com	108.162.192.87 172.64.32.87 173.245.58.87 2606:4700:50::adf5:3a57 2803:f800:50::6ca2:c057 2a06:98c1:50::ac40:2057	cortney.ns.cloudflare.com cortney.ns.cloudflare.com cortney.ns.cloudflare.com cortney.ns.cloudflare.com cortney.ns.cloudflare.com cortney.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
eric.ns.cloudflare.com	108.162.193.112 172.64.33.112 173.245.59.112 2606:4700:58::adf5:3b70 2803:f800:50::6ca2:c170 2a06:98c1:50::ac40:2170	eric.ns.cloudflare.com eric.ns.cloudflare.com eric.ns.cloudflare.com eric.ns.cloudflare.com eric.ns.cloudflare.com eric.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
134.213.60.44	300s	—	AS15395	Rackspace Ltd.	134.213.0.0/16	🇬🇧 United Kingdom	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 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#

checked 2026-10-13 12:32:49

www CNAME	matematikfesser.dk (all on matematikfesser.dk) → 134.213.60.44 (AS15395)
www vs bare domain	Same network matematikfesser.dk: 134.213.60.44 (AS15395) www.matematikfesser.dk: 134.213.60.44 (AS15395)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

118ms

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

🏷️ SOA#

38ms

Field	Value
Serial	2417329363
Primary NS (MNAME)	cortney.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 19:01:41

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2010-05-11
Expires	2027-05-31 (225d)

📋 WHOIS#

⏱️ Lookup Timing#

44ms

33ms

36ms

AAAA

46ms

TXT

172ms

CAA

41ms

HTTPS

37ms

TLSA

356ms

SOA

38ms

MTA-STS

61ms

DNSSEC

118ms

SRV

62ms

Total

839ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 12:32:49 shown	839ms	2 NS 1 A 0 MX	🔓 Insecure
2026-10-04 18:47:36	1367ms	2 NS 1 A 0 MX	🔓 Insecure
2026-09-27 17:35:42	767ms	2 NS 1 A 0 MX	🔓 Insecure
2026-09-23 16:35:35	685ms	2 NS 1 A 0 MX	🔓 Insecure
2026-09-21 14:40:38	1299ms	2 NS 1 A 0 MX	🔓 Insecure
2026-09-14 13:59:59	1629ms	2 NS 1 A 0 MX	🔓 Insecure
2026-09-11 19:22:54	868ms	2 NS 1 A 0 MX	🔓 Insecure
2026-09-04 11:48:05	688ms	2 NS 1 A 0 MX	🔓 Insecure
2026-08-26 22:31:46	879ms	2 NS 1 A 0 MX	🔓 Insecure
2026-08-23 21:52:10	3020ms	2 NS 1 A 0 MX	🔓 Insecure
2026-08-16 03:03:08	893ms	2 NS 1 A 0 MX	🔓 Insecure
2026-06-26 04:49:22	1072ms	2 NS 1 A 0 MX	🔓 Insecure
2026-06-20 01:40:32	467ms	2 NS 1 A 0 MX	🔓 Insecure
2026-06-18 02:19:42	756ms	2 NS 1 A 0 MX	🔓 Insecure