🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`mathcodeacademy.com`

DNSSEC	⚠️ Not signed
A	2a01:4f8:d0a:60ba::2^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
		PTR	`www461.your-server.de`
A	136.243.166.227^{🇩🇪 Hetzner136.243.0.0/16 HETZNER-RZ-BLK-ERX3}
NS	`ns1.your-server.de` ⭐
		A	2a01:4f8:0:1::5ddc:1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`ns1.your-server.de`
		A	213.133.100.102^{🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1}
			PTR	`ns1.your-server.de`
NS	`ns.second-ns.com`
		A	2a01:4f8:0:a101::b:1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`ns.second-ns.com`
		A	213.239.204.242^{🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2}
			PTR	`ns.second-ns.com`
NS	`ns3.second-ns.de`
		A	2001:67c:192c::add:b3^{🇩🇪 NORIS-NETWORK2001:67c:192c::/48}
			PTR	`ns3.second-ns.de`
		A	193.47.99.4^{🇩🇪 NORIS-NETWORK193.47.99.0/24}
			PTR	`ns3.second-ns.de`
MX	`www461.your-server.de` ⭐
		A	2a01:4f8:d0a:60ba::2^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`www461.your-server.de`
		A	136.243.166.227^{🇩🇪 Hetzner136.243.0.0/16 HETZNER-RZ-BLK-ERX3}
			PTR	`www461.your-server.de`
TXT	`v=spf1 +a +mx ?all`
SOA	`ns1.your-server.de`postmaster@your-server.de 2026-01-16 #0

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1794568026

Same first word

mathcodeacademy.com

Previous names

Next names

DNS History

6 records (6 active, 0 former)

●NSns.second-ns.com2026-10-13 → 2026-11-13 · 2 obs

● 2026-10-13 23:47:34
● 2026-11-13 11:35:44

●NSns1.your-server.de2026-10-13 → 2026-11-13 · 2 obs

● 2026-10-13 23:47:34
● 2026-11-13 11:35:44

●NSns3.second-ns.de2026-10-13 → 2026-11-13 · 2 obs

● 2026-10-13 23:47:34
● 2026-11-13 11:35:44

●MXwww461.your-server.de2026-10-13 → 2026-11-13 · 2 obs

● 2026-10-13 23:47:34
● 2026-11-13 11:35:44

●A136.243.166.2272026-10-13 → 2026-11-13 · 2 obs

● 2026-10-13 23:47:34
● 2026-11-13 11:35:44

●A2a01:4f8:d0a:60ba::22026-10-13 → 2026-11-13 · 2 obs

● 2026-10-13 23:47:34
● 2026-11-13 11:35:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, f.gtld-servers.net, h.gtld-servers.net, k.gtld-servers.net...	-
mathcodeacademy.com	ns1.your-server.de, ns.second-ns.com, ns3.second-ns.de	2 records

✅ Authoritative Response

Server:193.47.99.4

NS records: ns1.your-server.de, ns.second-ns.com, ns3.second-ns.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathcodeacademy.com (unsigned zone)

⏱️ Timing

Total: 1223ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`136.243.166.227`
AAAA	1	`2a01:4f8:d0a:60ba::2`
NS	3	`ns.second-ns.com, ns1.your-server.de...`
MX	1	`www461.your-server.de (pri: 10)`
TXT	1	`v=spf1 +a +mx ?all`
SOA	1	`ns1.your-server.de postmaster.your-serve`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns.second-ns.com, ns.second-ns.com)

Analysis

IP Addresses

mathcodeacademy.com directs to two IP numbers, 136.243.166.227 and 2a01:4f8:d0a:60ba::2

gamelab.gr, mail.thenattyblog.com, mariposa-shop.de plus two other host names have IP numbers in common with mathcodeacademy.com.

Name Servers

DNS for mathcodeacademy.com is handled by three authoritative name servers: ns.second-ns.com, ns3.second-ns.de and ns1.your-server.de.

mathcodeacademy.com partially shares its NS delegation with several other domains, including falkschmidt.com, zatoichi.de, d.0.0.0.2.f.f.f.8.f.4.0.1.0.a.2.ip6.arpa and two others.

Three hostnames — ns.second-ns.com, ns3.second-ns.de and ns1.your-server.de — each have two IP addresses: ns.second-ns.com has 213.239.204.242 and 2a01:4f8:0:a101::b:1, ns3.second-ns.de has 193.47.99.4 and 2001:67c:192c::add:b3, and ns1.your-server.de has 213.133.100.102 and 2a01:4f8:0:1::5ddc:1.

Mail Servers

mathcodeacademy.com uses one mail server — www461.your-server.de.

The mail server setup of mathcodeacademy.com matches that of other domains such as blumbach-zinngrebe.com, zenchronity.com, uniq-studio.de and two others.

mathcodeacademy.com partially shares its mail servers with other domains, zahnarztpraxis-tessun.de and patentconsult.info being examples.

The host www461.your-server.de resolves to 136.243.166.227 and 2a01:4f8:d0a:60ba::2 — two IP addresses.

mathcodeacademy.com - robtex.com