studer.com - dns.ninja

`studer.com`

DNSSEC	⚠️ Not signed
A	83.246.80.24^{🇩🇪 SSERV-AS83.246.0.0/17 kyberio GmbH}
		PTR	`vms13.leuchtfeuer.com`
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}
			PTR	`ns3.p1.omcnet.de`
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	`4dle9rgo4sapfcg9jh0n5q558m`
TXT	`qu09sgjtmpd5sg7rifdaq45jii`
TXT	`MS=ms81188229`
TXT	`MS=ms78024762`
TXT	`adobe-idp-site-verification=fe287737c49ebaf7f66ecb402be40fe43771263b3f37f3d6d...`
TXT	`google-site-verification=wTNzaV88rnausrWYcpJaShVXJkbkDWepYbbXHJbuSMo`
TXT	`teamviewer-sso-verification=3921202b01c7408eb955af48cb234954`
TXT	`v=spf1 include:spf.protection.outlook.com include:spf.vizito.be include:vms13...`
TXT	`ad1ef402-4267-48c9-8b28-0980bcc726c3`
TXT	`k1rnheq8tjlb1ppo4huumhgqpl`
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=1782221240

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.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

destur.net

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

duster.com.ua

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

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

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

derust.co.za

reduts.fr

durtes.com.tr

DNS History

10 records (5 active, 5 former)

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

● 2015-06-23 00:21:28
● 2026-06-23 13:48:12

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

● 2015-06-23 00:21:28
● 2026-06-23 13:48:12

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

● 2015-06-23 00:21:28
● 2026-06-23 13:48:12

○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
○ 2026-06-23 13:48:12

○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
○ 2026-06-23 13:48:12

○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
○ 2026-06-23 13:48:12

○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
○ 2026-06-23 13:48:12

●MXstuder-com.mail.protection.outlook.com2026-03-03 → 2026-06-23 · 3 obs

○ 2016-12-24 05:39:54
● 2026-03-03 11:33:34
● 2026-06-23 13:48:12

○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
○ 2026-06-23 13:48:12

●A83.246.80.242026-03-03 → 2026-06-23 · 3 obs

○ 2016-12-24 05:39:54
● 2026-03-03 11:33:34
● 2026-06-23 13:48:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, k.gtld-servers.net, e.gtld-servers.net, c.gtld-servers.net...	-
studer.com	ns1.p1.omc.net, ns3.p1.omcnet.de, ns4.p1.omc.info	-

✅ Authoritative Response

Server:87.238.194.154

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: 2758ms | 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	`4dle9rgo4sapfcg9jh0n5q558m, qu09sgjtmpd5sg7rifdaq45jii...`
SOA	1	`ns3.p1.omcnet.de root.studer.com`

Analysis

Hierarchy

studer.com sits above www.studer.com, berufsbildung.studer.com and news.studer.com in the domain hierarchy.

IP Addresses

studer.com resolves to one IP address: 83.246.80.24.

ewag.com, studerag.com, grinding.ch and two other host names share IP numbers with studer.com.

Name Servers

The authoritative name servers for studer.com are ns3.p1.omcnet.de, ns4.p1.omc.info and ns1.p1.omc.net — three in total.

There is at least partial name server overlap between studer.com and other domains — sterningredients.com.br, madeira-a-z.com, wri.de and two more among them.

These name servers are routinely deployed together with the name servers ns1.pool2.omc-dns.de.

Hostnames that resolve to two IP addresses:

ns3.p1.omcnet.de directs traffic to 212.77.227.199 and 2a02:2800::227:199.

ns1.p1.omc.net directs traffic to 212.77.225.199 and 2a02:2800::225:199.

Hosts with just one IP address:

ns4.p1.omc.info has the IP address 87.238.194.154.

Mail Servers

Mail for studer.com is handled by a single mail server, studer-com.mail.protection.outlook.com.

studer-com.mail.protection.outlook.com resolves to 8 IP addresses — 52.101.185.12, 52.101.185.13, 52.101.185.14 and 5 others.