mathacademy.dk

📜 Historical scan 2026-06-18 06:15:09 · ← 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 99ms

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 39ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
100.20.33.137	—	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	—	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	—	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 385ms

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#

141ms

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

🏷️ SOA#

93ms

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#

99ms

39ms

110ms

AAAA

61ms

TXT

385ms

CAA

97ms

HTTPS

83ms

TLSA

423ms

SOA

93ms

MTA-STS

347ms

DNSSEC

141ms

SRV

155ms

Total

1304ms

🕐 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	868ms	4 NS 3 A 0 MX	🔓 Insecure
2026-06-18 06:15:09 shown	1304ms	4 NS 3 A 0 MX	🔓 Insecure