`studer.com`

DNSSEC	⚠️ Not signed
A	83.246.80.24^{🇩🇪 SSERV-AS83.246.0.0/17 kyberio GmbH}
NS	`ns3.p1.omcnet.de` ⭐
		A	2a02:2800::227:199^{🇩🇪 OMC-AS2a02:2800::/29 OMC via Artfiles New Media GmbH}
			PTR	`ns3.p1.omcnet.de`
		A	212.77.227.199^{🇩🇪 OMC-AS212.77.224.0/19 OMC via Artfiles New Media GmbH}
NS	`ns1.p1.omc.net`
		A	2a02:2800::225:199^{🇩🇪 OMC-AS2a02:2800::/29 OMC via Artfiles New Media GmbH}
			PTR	`ns1.p1.omc.net`
		A	212.77.225.199^{🇩🇪 OMC-AS212.77.224.0/19 OMC via Artfiles New Media GmbH}
			PTR	`ns1.p1.omc.net`
NS	`ns4.p1.omc.info`
		A	87.238.194.154^{🇩🇪 EVANZOAS87.238.192.0/21 DE-EVANZO-MK}
			PTR	`s3.dnspool1.omc.net`
MX	`studer-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca3c::^{🇨🇭 Microsoft2a01:111:f000::/36}
			PTR	`mail-zrap278cu00300.inbound.protection.outlook.com`
		A	2a01:111:f403:ca3c::1^{🇨🇭 Microsoft2a01:111:f000::/36}
			PTR	`mail-zrzp278cu00201.inbound.protection.outlook.com`
		A	2a01:111:f403:ca3c::2^{🇨🇭 Microsoft2a01:111:f000::/36}
			PTR	`mail-zr1p278cu00202.inbound.protection.outlook.com`
		A	2a01:111:f403:ca3e::1^{🇨🇭 Microsoft2a01:111:f000::/36}
			PTR	`mail-gvap278cu00301.inbound.protection.outlook.com`
		A	52.101.185.12^{🇨🇭 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-zrap278cu00304.inbound.protection.outlook.com`
		A	52.101.185.13^{🇨🇭 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-zrzp278cu00205.inbound.protection.outlook.com`
		A	52.101.185.14^{🇨🇭 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-zr1p278cu00206.inbound.protection.outlook.com`
		A	52.101.187.1^{🇨🇭 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-gvap278cu00301.inbound.protection.outlook.com`
TXT	`MS=ms78024762`
TXT	`qu09sgjtmpd5sg7rifdaq45jii`
TXT	`adobe-idp-site-verification=fe287737c49ebaf7f66ecb402be40fe43771263b3f37f3d6d...`
TXT	`v=spf1 include:spf.protection.outlook.com include:spf.vizito.be include:vms13...`
TXT	`google-site-verification=wTNzaV88rnausrWYcpJaShVXJkbkDWepYbbXHJbuSMo`
TXT	`4dle9rgo4sapfcg9jh0n5q558m`
TXT	`MS=ms81188229`
TXT	`k1rnheq8tjlb1ppo4huumhgqpl`
TXT	`teamviewer-sso-verification=3921202b01c7408eb955af48cb234954`
TXT	`ad1ef402-4267-48c9-8b28-0980bcc726c3`
SOA	`ns3.p1.omcnet.de`root@studer.com 2026-05-07 #0

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1784588777

WOT: SAFE (61/100)

Subdomains

www.studer.com

berufsbildung.studer.com

news.studer.com

Same first word

studer.co.ke

studer.info

studer.us

studer.me

studer.net

studer.ru

studer.com

studer.eu

studer.ch

studer.dev

studer.com.pl

studer.cn

studer.co.uk

studer.agency

studer.in

studer.de

studer.archi

studer.be

studer.fr

studer.se

studer.xyz

studer.ca

studer.org

studer.at

studer.world

studer.nu

Similar names

trudes.se

duerst.org

duster.co.in

duster.it

duster.be

duster.co.jp

duster.eu

duerst.biz

duster.net

duster.com.mx

rusted.gold

restud.org.uk

duerst.ch

duster.at

rusted.it

dersut.cz

duster.pl

streud.nl

rusted.cz

restud.com

dertus.de

derust.org.za

duster.nu

rusted.com

tuders.com

drutes.org

duerst.net

duster.cn

dersut.at

dersut.it

suerdt.com

sterud.com

duster.ch

trueds.io

ertuds.cc

duster.me

rudest.com

duster.com.co

duster.com.br

tresud.com

rusted.co

utrsed.com

duster.fr

tureds.com

duster.de

dersut.org

durest.com

rusted.xyz

rudets.com

dersut.info

trudes.co.uk

destur.com.cn

duerst.com

tuders.de

edstur.com

duster.sk

derust.nl

trudes.net

duerst.de

dersut.net

dersut.coffee

tusder.com

sterud.be

rusted.su

rudest.net

rusted.co.uk

duster.nl

studre.ru

restud.org

destur.org

duster.by

rusted.com.au

dstrue.com

trsedu.com

reduts.com.py

rusted.de

duster.es

duerst.eu

sturde.com

rusted.org

udtres.ru

surdet.com

duster.ru

duster.us

rusted.pl

destru.com

restud.co.uk

duster.se

tersud.com

DNS History

10 records (5 active, 5 former)

●NSns1.p1.omc.net2015-06-23 → 2026-07-20 · 2 obs

● 2015-06-23 00:21:28
● 2026-07-20 23:13:44

●NSns3.p1.omcnet.de2015-06-23 → 2026-07-20 · 2 obs

● 2015-06-23 00:21:28
● 2026-07-20 23:13:44

●NSns4.p1.omc.info2015-06-23 → 2026-07-20 · 2 obs

● 2015-06-23 00:21:28
● 2026-07-20 23:13:44

○MXgrinding.mailin1.rmx.de2015-06-23 → 2016-12-24 · 4 obs

● 2015-06-23 00:21:28
● 2016-12-24 05:39:54
○ 2026-03-03 11:33:34
○ 2026-07-20 23:13:44

○MXgrinding.mailin2.rmx.de2015-06-23 → 2016-12-24 · 4 obs

● 2015-06-23 00:21:28
● 2016-12-24 05:39:54
○ 2026-03-03 11:33:34
○ 2026-07-20 23:13:44

○MXgrinding.mailin3.rmx.de2015-06-23 → 2016-12-24 · 4 obs

● 2015-06-23 00:21:28
● 2016-12-24 05:39:54
○ 2026-03-03 11:33:34
○ 2026-07-20 23:13:44

○MXgrinding.mailin4.rmx.de2015-06-23 → 2016-12-24 · 4 obs

● 2015-06-23 00:21:28
● 2016-12-24 05:39:54
○ 2026-03-03 11:33:34
○ 2026-07-20 23:13:44

●MXstuder-com.mail.protection.outlook.com2026-03-03 → 2026-07-20 · 3 obs

○ 2016-12-24 05:39:54
● 2026-03-03 11:33:34
● 2026-07-20 23:13:44

○A83.246.101.2312015-06-23 → 2016-12-24 · 4 obs

● 2015-06-23 00:21:28
● 2016-12-24 05:39:54
○ 2026-03-03 11:33:34
○ 2026-07-20 23:13:44

●A83.246.80.242026-03-03 → 2026-07-20 · 3 obs

○ 2016-12-24 05:39:54
● 2026-03-03 11:33:34
● 2026-07-20 23:13:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
studer.com	ns1.p1.omc.net, ns3.p1.omcnet.de, ns4.p1.omc.info	-

✅ Authoritative Response

Server:212.77.227.199

NS records: ns1.p1.omc.net, ns3.p1.omcnet.de, ns4.p1.omc.info

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studer.com (unsigned zone)

⏱️ Timing

Total: 900ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`83.246.80.24`
NS	3	`ns4.p1.omc.info, ns1.p1.omc.net...`
MX	1	`studer-com.mail.protection.outlook.com (`
TXT	10	`MS=ms78024762, qu09sgjtmpd5sg7rifdaq45jii...`
SOA	1	`ns3.p1.omcnet.de root.studer.com`

Analysis

Hierarchy

studer.com is a parent domain, with www.studer.com, berufsbildung.studer.com and news.studer.com beneath it.

IP Addresses

studer.com points to a single IP number: 83.246.80.24.

Additional host names — studerag.com, grinding.ch, schaudt.com and two others — share IP numbers with studer.com.

Name Servers

Three name servers are authoritative for studer.com: ns3.p1.omcnet.de, ns4.p1.omc.info and ns1.p1.omc.net.

studer.com has at least partial name server overlap with other domains, such as sterningredients.com.br, madeira-a-z.com, wri.de and two others.

It is common to find these name servers paired with the name servers ns1.pool2.omc-dns.de.

Host names with two IP numbers:

ns3.p1.omcnet.de maps to two IP addresses — 212.77.227.199 and 2a02:2800::227:199.

ns1.p1.omc.net maps to two IP addresses — 212.77.225.199 and 2a02:2800::225:199.

Host names pointing to a single IP address:

ns4.p1.omc.info points to the IP address 87.238.194.154.

Mail Servers

studer.com has one mail server: studer-com.mail.protection.outlook.com.

studer-com.mail.protection.outlook.com points to 8 IP numbers: 52.101.185.12, 52.101.185.13, 52.101.185.14 and 5 other.

studer.com - robtex.com

studer.com

com

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`studer.com`

`com`