CF1760225457358-tsm20251011193234

WWW.RTSAK.COM - holtmann.de

Search for IP or hostnames:

holtmann.de checked at 2025-10-11T23:30:57.345Z 196ms 112/112/112 100% R:14

holtmann.de

NSnsa2.schlundtech.de
A62.116.159.12🇩🇪 InterNetX
PTRnsa2.schlundtech.de
NSnsb2.schlundtech.de
A2001:8d8:580:401:217:160:113:52 🇩🇪 IONOS SE
PTRnsb2.schlundtech.de
A217.160.113.52🇩🇪 IONOS SE
PTRnsb2.schlundtech.de
NSnsc2.schlundtech.de
A2a01:130:2000:118:89:146:248:22 🇩🇪 INTERNET AG Global Network
PTRnsc2.schlundtech.de
A89.146.248.22🇩🇪 INTERNET AG Global Network
PTRnsc2.schlundtech.de
NSnsd2.schlundtech.de
A2607:f1c0:1800:8091:74:208:254:22 🇺🇸 IONOS SE
PTRnsd2.schlundtech.de
A74.208.254.22🇺🇸 IONOS SE
PTRnsd2.schlundtech.de
MXholtmann-de.mail.protection.outlook.com
A2a01:111:f403:ca27:: 🇩🇪 Microsoft
PTRmail-beup281cu00100.inbound.protection.outlook.com
A2a01:111:f403:ca2d:: 🇩🇪 Microsoft
PTRmail-fr5p281cu00500.inbound.protection.outlook.com
A2a01:111:f403:ca2d::1 🇩🇪 Microsoft
PTRmail-fr4p281cu03101.inbound.protection.outlook.com
A2a01:111:f403:ca2d::2 🇩🇪 Microsoft
PTRmail-fr6p281cu00202.inbound.protection.outlook.com
A52.101.168.0🇩🇪 Microsoft
PTRmail-beup281cu00100.inbound.protection.outlook.com
A52.101.170.0🇩🇪 Microsoft
PTRmail-fr5p281cu00500.inbound.protection.outlook.com
A52.101.170.1🇩🇪 Microsoft
PTRmail-fr4p281cu03101.inbound.protection.outlook.com
A52.101.170.2🇩🇪 Microsoft
PTRmail-fr6p281cu00202.inbound.protection.outlook.com
A148.251.163.50🇩🇪 Hetzner
PTRstatic.50.163.251.148.clients.your-server.de

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NSa.nic.de
NSf.nic.de
NSz.nic.de
NSl.de.net
NSn.de.net
NSs.de.net

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AI analysis

The parent of mail2.holtmann.de is holtmann.de.

holtmann.de points to an IP address: 148.251.163.50.

other host names include www.hennel-gmbh.de, stratur.com, holtmann-bau.de, garben.org and hannoversteuerberater.de; they share IP numbers with holtmann.de.

holtmann.de delegates to four name servers: nsa2.schlundtech.de, nsb2.schlundtech.de, nsc2.schlundtech.de and nsd2.schlundtech.de.

holtmann.de at least partially shares name servers with other domains, for instance kape.de, on-office.be, purant.de, mueller.services and rconcerta.com.

Hosts with two IP numbers:

nsb2.schlundtech.de points to 2001:8d8:580:401:217:160:113:52 and 217.160.113.52.

nsc2.schlundtech.de points to 2a01:130:2000:118:89:146:248:22 and 89.146.248.22.

nsd2.schlundtech.de points to 2607:f1c0:1800:8091:74:208:254:22 and 74.208.254.22.

Host with one IP number:

nsa2.schlundtech.de points to 62.116.159.12.

holtmann.de is handled by a single mail server, holtmann-de.mail.protection.outlook.com.

Hostname holtmann-de.mail.protection.outlook.com resolves to eight IP numbers: 2a01:111:f403:ca27::, 2a01:111:f403:ca2d::, 2a01:111:f403:ca2d::1, 2a01:111:f403:ca2d::2, 52.101.168.0, 52.101.170.0, 52.101.170.1 and 52.101.170.2.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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fFsuiDX CF johedugfp 2025-10-11