`master.mathesy.net`

DNSSEC	⚠️ Not signed
A	2a01:4f8:c012:523a::1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
		PTR	`master.mathesy.net`
A	167.235.194.241^{🇩🇪 Hetzner167.235.0.0/16 HETZNER-DC}

`mathesy.net`

	DNSSEC	⚠️ Not signed
	A	167.235.194.241^{🇩🇪 Hetzner167.235.0.0/16 HETZNER-DC}
	NS	`ns1.first-ns.de` ⭐
	NS	`robotns2.second-ns.de`
	NS	`robotns3.second-ns.com`
	MX	`s02.mathesy.net` ⭐
	MX	`s03.mathesy.net`⁽³⁰⁾
	SOA	`ns1.first-ns.de`dns@hetzner.com 2026-02-13 #0

PTR for

1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.a.3.2.5.2.1.0.c.8.f.4.0.1.0.a.2.ip6.arpa

Same first word

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DNS History

2 records (2 active, 0 former)

●A167.235.194.2412026-07-06 → 2026-07-06 · 2 obs

● 2026-07-06 14:59:40
● 2026-07-06 14:59:42

●A2a01:4f8:c012:523a::12026-07-06 → 2026-07-06 · 2 obs

● 2026-07-06 14:59:40
● 2026-07-06 14:59:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	d.gtld-servers.net, i.gtld-servers.net, l.gtld-servers.net, k.gtld-servers.net...	-
mathesy.net	ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com	-

✅ Authoritative Response

Server:193.47.99.3

NS records: ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathesy.net (unsigned zone)

⏱️ Timing

Total: 1066ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`167.235.194.241`
AAAA	1	`2a01:4f8:c012:523a::1`

Analysis

IP Addresses

master.mathesy.net points to the IP addresses 167.235.194.241 and 2a01:4f8:c012:523a::1

Additional host names — mathesy.net, www.mathesy.net, dmarc-(0x616e616c)yse.de and two others — share IP numbers with master.mathesy.net.

master.mathesy.net - robtex.com