matematikordbogen.dk

📜 Historical scan 2026-06-18 08:49:36 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

matematikordbogen.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 22 April 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 78.141.234.130 is hosted by The Constant Company, LLC (AS20473) in United Kingdom. Mail is handled by mx10.mailspamprotection.com, mx20.mailspamprotection.com and 1 more. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. 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#

4 records 44ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 46ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
78.141.234.130	—	78.141.234.130.vultrusercontent.com	AS20473	The Constant Company, LLC	78.141.192.0/18	🇬🇧 United Kingdom	Canary Wharf

📧 MX Records#

3 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mx10.mailspamprotection.com	34.149.79.66	66.79.149.34.bc.googleusercontent.com	AS396982 Google LLC
20	—	mx20.mailspamprotection.com	34.120.156.61	61.156.120.34.bc.googleusercontent.com	AS396982 Google LLC
30	—	mx30.mailspamprotection.com	34.111.121.216	216.121.111.34.bc.googleusercontent.com	AS396982 Google LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 540ms

TXT Record
v=spf1 +a +mx +a:ns1.usm87.siteground.biz include:_spf.mailspamprotection.com ~all

✉️ SPF#

Policy	Record (matematikordbogen.dk)
~all (soft fail)	v=spf1 +a +mx +a:ns1.usm87.siteground.biz include:_spf.mailspamprotection.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 2026-10-13 01:52:01

www CNAME	matematikordbogen.dk (all on matematikordbogen.dk) → 78.141.234.130 (AS20473)
www vs bare domain	Same network matematikordbogen.dk: 78.141.234.130 (AS20473) www.matematikordbogen.dk: 78.141.234.130 (AS20473)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

127ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

43ms

Field	Value
Serial	2023082100
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-11 02:46:38

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2019-04-22
Expires	2027-04-30 (187d)

📋 WHOIS#

⏱️ Lookup Timing#

44ms

46ms

41ms

AAAA

46ms

TXT

540ms

CAA

45ms

HTTPS

44ms

TLSA

339ms

SOA

43ms

MTA-STS

131ms

DNSSEC

127ms

SRV

125ms

Total

1339ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 01:52:01	1951ms	4 NS 1 A 3 MX	🔒 Secure
2026-10-02 06:24:13	1158ms	4 NS 1 A 3 MX	🔒 Secure
2026-08-27 18:06:27	1284ms	4 NS 1 A 3 MX	🔒 Secure
2026-06-18 08:49:36 shown	1339ms	4 NS 1 A 3 MX	🔒 Secure