`mail.buerger.tech`

DNSSEC	⚠️ Not signed
A	2a01:4f8:1c17:6ce4::1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
		PTR	`mail.buerger.tech`
A	157.90.154.78^{🇩🇪 Hetzner157.90.0.0/16 HETZNER-DC}

`buerger.tech`

	DNSSEC	⚠️ Not signed
	A	2a01:4f8:c013:4689::1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
	A	49.13.138.156^{🇩🇪 Hetzner49.13.0.0/16 HETZNER-DC}
	NS	`sima.ns.cloudflare.com` ⭐
	NS	`yevgen.ns.cloudflare.com`
	MX	`mail.protonmail.ch` ⭐
	MX	`mailsec.protonmail.ch`⁽²⁰⁾
	MX	`mail.buerger.tech`⁽³⁰⁾
	TXT	`protonmail-verification=dfba5b97454ce86eda2d5ec828d0dc518ea56dd6`
	TXT	`v=spf1 a mx ip4:157.90.154.78 ip6:2a01:4f8:1c17:6ce4::/64 include:_spf.proton...`
	SOA	`sima.ns.cloudflare.com`dns@cloudflare.com serial=2400903520

PTR for

78.154.90.157.in-addr.arpa

1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.4.e.c.6.7.1.c.1.8.f.4.0.1.0.a.2.ip6.arpa

MX for

buerger.tech

Same first word

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DNS History

2 records (2 active, 0 former)

●A157.90.154.782026-03-21 → 2026-04-15 · 2 obs

● 2026-03-21 10:21:18
● 2026-04-15 00:18:16

●A2a01:4f8:1c17:6ce4::12026-03-21 → 2026-04-15 · 2 obs

● 2026-03-21 10:21:18
● 2026-04-15 00:18:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
tech	ns01.trs-dns.com, ns01.trs-dns.net, ns10.trs-dns.org, ns10.trs-dns.info	8 records
buerger.tech	sima.ns.cloudflare.com, yevgen.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.222

NS records: sima.ns.cloudflare.com, yevgen.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for buerger.tech (unsigned zone)

⏱️ Timing

Total: 235ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`157.90.154.78`
AAAA	1	`2a01:4f8:1c17:6ce4::1`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns01.trs-dns.com, ns01.trs-dns.net, ns10.trs-dns.org...)

Analysis

Mail Server Role

mail.buerger.tech serves as the mail server for buerger.tech.

mail.protonmail.ch and mailsec.protonmail.ch are commonly used as mail servers alongside mail.buerger.tech.

IP Addresses

mail.buerger.tech resolves to two IP numbers: 2a01:4f8:1c17:6ce4::1 and 157.90.154.78.

mail.buerger.tech - robtex.com