`mail.hostmaster.group`

DNSSEC	⚠️ Not signed
A	2a01:4f8:c17:de55::1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
		PTR	`mail.hostmaster.group`
A	49.12.246.34^{🇩🇪 Hetzner49.12.0.0/16 HETZNER-DC}

`hostmaster.group`

	DNSSEC	🔒 Signed (DS record present)
	A	2a01:4f8:c17:de55::1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
	A	49.12.246.34^{🇩🇪 Hetzner49.12.0.0/16 HETZNER-DC}
	NS	`walk.ns.cloudflare.com` ⭐
	NS	`yew.ns.cloudflare.com`
	MX	`mail.hostmaster.group` ⭐
	TXT	`v=spf1 a:mail.hostmaster.group mx -all`
	SOA	`walk.ns.cloudflare.com`dns@cloudflare.com serial=2397814417

PTR for

34.246.12.49.in-addr.arpa

1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.5.5.e.d.7.1.c.0.8.f.4.0.1.0.a.2.ip6.arpa

MX for

hostmaster.group

Same first word

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DNS History

2 records (2 active, 0 former)

●A2a01:4f8:c17:de55::12026-03-22 → 2026-03-23 · 2 obs

● 2026-03-22 09:58:38
● 2026-03-23 00:30:06

●A49.12.246.342026-03-22 → 2026-03-23 · 2 obs

● 2026-03-22 09:58:38
● 2026-03-23 00:30:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
group	v0n0.nic.group, v0n1.nic.group, v0n2.nic.group, v0n3.nic.group...	12 records
hostmaster.group	yew.ns.cloudflare.com, walk.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.34.128

NS records: yew.ns.cloudflare.com, walk.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 446ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`49.12.246.34`
AAAA	1	`2a01:4f8:c17:de55::1`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v0n0.nic.group, v0n0.nic.group, v0n1.nic.group...)

Analysis

Mail Server Role

mail.hostmaster.group serves as the mail server for hostmaster.group.

IP Addresses

mail.hostmaster.group points to two IPs: 2a01:4f8:c17:de55::1 and 49.12.246.34.

Other host names, for instance hostmaster.group, share IP numbers with mail.hostmaster.group.

mail.hostmaster.group - robtex.com