`mail.activeoffice.de`

DNSSEC	⚠️ Not signed
A	195.15.1.20^{🇨🇭 VTX-NETWORK195.15.0.0/17}
		PTR	`mail.activeoffice.de`

`activeoffice.de`

	DNSSEC	⚠️ Not signed
	A	212.147.13.77^{🇨🇭 VTX-NETWORK212.147.0.0/17 CH.VTX LIR Range}
	NS	`ns4.macal.de` ⭐ ⚠️ Not in parent delegation
	NS	`ns1.start-dns.de` ⚠️ Not in zone NS records
	NS	`ns2.start-dns.de` ⚠️ Not in zone NS records
	NS	`ns3.start-dns.de` ⚠️ Not in zone NS records
	NS	`ns5.macal.de` ⚠️ Not in parent delegation
	NS	`ns6.macal.de` ⚠️ Not in parent delegation
	MX	`mail.activeoffice.de` ⭐
	TXT	`v=spf1 ip4:195.15.1.20 ip4:212.147.13.77 -all`
	SOA	`ns4.macal.de`admin@help99.de 2025-12-09 #1

PTR for

20.1.15.195.in-addr.arpa

MX for

activeoffice.de

Same first word

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DNS History

3 records (1 active, 2 former)

○A178.254.62.942015-07-04 → 2016-02-05 · 4 obs

● 2015-07-04 20:50:56
● 2016-02-05 14:31:04
○ 2016-04-29 15:34:26
○ 2026-04-19 03:48:14

●A195.15.1.202026-03-28 → 2026-04-19 · 3 obs

○ 2016-04-29 15:34:26
● 2026-03-28 23:24:36
● 2026-04-19 03:48:14

○A84.19.30.1252016-04-29 → 2016-04-29 · 4 obs

○ 2016-02-05 14:31:04
● 2016-04-29 15:34:26
○ 2026-03-28 23:24:36
○ 2026-04-19 03:48:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
activeoffice.de	ns1.start-dns.de, ns3.start-dns.de, ns2.start-dns.de	6 records

✅ Authoritative Response

Server:87.238.196.5

NS records: ns1.start-dns.de, ns3.start-dns.de, ns2.start-dns.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for activeoffice.de (unsigned zone)

⏱️ Timing

Total: 622ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`195.15.1.20`

📌 Glue Records Collected

Total: 6

Out-of-bailiwick: 6 (ns3.start-dns.de, ns2.start-dns.de, ns1.start-dns.de...)

Analysis

Mail Server Role

mail.activeoffice.de serves as the mail server for activeoffice.de.

IP Addresses

mail.activeoffice.de resolves to a single IP: 195.15.1.20.

Other host names share IP numbers with mail.activeoffice.de; for instance mail.grantiro.at.

mail.activeoffice.de - robtex.com