`mail.optitenn.net`

DNSSEC	⚠️ Not signed
A	85.13.153.20^{🇩🇪 NMM-AS85.13.153.0/24 Neue Medien Muennich}
		PTR	`dd15922.kasserver.com`

`optitenn.net`

	DNSSEC	⚠️ Not signed
	A	85.13.153.20^{🇩🇪 NMM-AS85.13.153.0/24 Neue Medien Muennich}
	NS	`ns5.kasserver.com` ⭐
	NS	`ns6.kasserver.com`
	MX	`w0175c21.kasserver.com` ⭐
	TXT	`v=spf1 a mx include:spf.kasserver.com ~all`
	SOA	`ns5.kasserver.com`hostmaster@kasserver.com serial=2512091324

Previously MX for

optitenn.net

Same first word

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DNS History

2 records (1 active, 1 former)

○A176.28.12.682017-01-05 → 2017-01-05 · 3 obs

● 2017-01-05 03:49:58
○ 2026-03-26 17:49:38
○ 2026-03-28 04:12:48

●A85.13.153.202026-03-26 → 2026-03-28 · 3 obs

○ 2017-01-05 03:49:58
● 2026-03-26 17:49:38
● 2026-03-28 04:12:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
optitenn.net	ns5.kasserver.com, ns6.kasserver.com	-

✅ Authoritative Response

Server:85.13.159.101

NS records: ns5.kasserver.com, ns6.kasserver.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for optitenn.net (unsigned zone)

⏱️ Timing

Total: 277ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`85.13.153.20`

Analysis

IP Addresses

mail.optitenn.net resolves to a single IP address: 85.13.153.20.

Other host names including fv-media.com, cbultima.kasserver.com, velofirst.net, fredrik-vogt.de and mail.cinderella-kindermoden.de share IP numbers with mail.optitenn.net.

mail.optitenn.net - robtex.com