mathacademy.dk

📜 Historical scan 2026-06-20 03:05:23 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

mathacademy.dk is a .dk domain served by 4 nameservers (ns1.aofk.com, ns2.aofk.com, ns3.aofk.com and 1 more). It was registered on 27 October 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 100.20.33.137 is hosted by Amazon.com, Inc. (AS16509) in United States. The zone is not DNSSEC-signed, 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 92ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.aofk.com	205.251.194.237	ns-749.awsdns-29.net	AS16509 Amazon.com, Inc.
ns2.aofk.com	205.251.193.199	ns-455.awsdns-56.com	AS16509 Amazon.com, Inc.
ns3.aofk.com	205.251.197.54	ns-1334.awsdns-38.org	AS16509 Amazon.com, Inc.
ns4.aofk.com	205.251.199.193	ns-1985.awsdns-56.co.uk	AS16509 Amazon.com, Inc.

🌍 A Records#

3 records 101ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
100.20.33.137	60s	ec2-100-20-33-137.us-west-2.compute.amazonaws.com	AS16509	Amazon.com, Inc.	100.20.0.0/14	🇺🇸 United States	Boardman
100.22.66.110	60s	ec2-100-22-66-110.us-west-2.compute.amazonaws.com	AS16509	Amazon.com, Inc.	100.20.0.0/14	🇺🇸 United States	Boardman
34.223.179.170	60s	ec2-34-223-179-170.us-west-2.compute.amazonaws.com	AS16509	Amazon.com, Inc.	34.208.0.0/12	🇺🇸 United States	Boardman

📧 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#

1 records 533ms

TXT Record
v=spf1 include:spf.protection.outlook.com include:spf-003ab201.pphosted.com ip4:76.76.26.0/23 ip4:165.254.187.0/24 ~all

✉️ SPF#

Policy	Record (mathacademy.dk)
~all (soft fail)	v=spf1 include:spf.protection.outlook.com include:spf-003ab201.pphosted.com ip4:76.76.26.0/23 ip4:165.254.187.0/24 ~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 07:21:08

www	NXDOMAIN
www vs bare domain	www does not resolve mathacademy.dk: 35.166.81.253 35.80.192.18 54.186.25.134 (AS16509) www.mathacademy.dk: no address (all like this)
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#

181ms

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

🏷️ SOA#

89ms

Field	Value
Serial	1
Primary NS (MNAME)	ns1.aofk.com
Responsible (RNAME)	awsdns-hostmaster@amazon.com
Refresh	7200s
Retry	900s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-06 17:16:56

Field	Value
Registrar	101domain GRS Limited
Registered	2022-10-27
Expires	2027-10-26 (373d)

📋 WHOIS#

⏱️ Lookup Timing#

92ms

101ms

84ms

AAAA

95ms

TXT

533ms

CAA

111ms

HTTPS

167ms

TLSA

101ms

SOA

89ms

MTA-STS

44ms

DNSSEC

181ms

SRV

135ms

Total

868ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-08-27 23:41:49	3297ms	4 NS 3 A 0 MX	🔓 Insecure
2026-06-26 01:59:20	942ms	4 NS 3 A 0 MX	🔓 Insecure
2026-06-22 14:57:54	1021ms	4 NS 3 A 0 MX	🔓 Insecure
2026-06-20 03:05:23 shown	868ms	4 NS 3 A 0 MX	🔓 Insecure
2026-06-18 06:15:09	1304ms	4 NS 3 A 0 MX	🔓 Insecure