`cec.mpg.de`

DNSSEC	⚠️ Not signed
A	141.5.40.140^{🇩🇪 DFN141.5.0.0/16 MPI-DO-141-5}
		PTR	`cec.mpg.de`
		PTR	`rproxy.cec.mpg.de`
		PTR	`www.cec.mpg.de`
NS	`dns1.gwdg.de` ⭐
		A	2a06:93c7:e1::1^{🇩🇪 GOENET2a06:93c0::/29 GWDG-2a06-93c0}
			PTR	`dns1.gwdg.de`
		A	134.76.33.41^{🇩🇪 GOENET134.76.0.0/16}
			PTR	`dns1.gwdg.de`
MX	`a1233.mx.srv.dfn.de` ⭐
		A	194.95.232.101^{🇩🇪 DFN194.94.0.0/15 -AGG-16}
			PTR	`a1233.mx.srv.dfn.de`
MX	`b1233.mx.srv.dfn.de` ⭐
		A	194.95.234.101^{🇩🇪 DFN194.94.0.0/15 -AGG-16}
			PTR	`b1233.mx.srv.dfn.de`
MX	`c1233.mx.srv.dfn.de` ⭐
		A	194.95.238.101^{🇩🇪 DFN194.94.0.0/15 -AGG-16}
			PTR	`c1233.mx.srv.dfn.de`
TXT	`apple-domain-verification=DLFBl4Oj4cVRokAu`
TXT	`v=spf1 mx include:spf.gwdg.de -all`
TXT	`cisco-ci-domain-verification=1d81b587f0f58fdd11eb36a15f27046bee5e5b2532007320...`
TXT	`MS=8928D5143CCA4A854315115B3B4D45B47C7DF068`
SOA	`dns1.gwdg.de`hostmaster@gwdg.de serial=679233830

`mpg.de`

	DNSSEC	🔒 Signed (DS record present)
	A	134.76.31.198^{🇩🇪 GOENET134.76.0.0/16}
	NS	`dns1.gwdg.de` ⭐
	NS	`dns2.gwdg.de`
	NS	`dns3.gwdg.de`
	NS	`ns1.es.net`
	NS	`sat.mpcdf.mpg.de`
	MX	`a1236.mx.srv.dfn.de` ⭐
	MX	`b1236.mx.srv.dfn.de` ⭐
	MX	`c1236.mx.srv.dfn.de` ⭐
	TXT	`hibp-verify=dweb_0tywy72sz0avnp2yfrm5v1g9`
	TXT	`adobe-idp-site-verification=4efc5f4912ea5b60334e2704bb3eb956c5e7849e481abd337...`
	TXT	`google-site-verification=XHSgSiW3S-oNc6utmVvWr_K-iNo1ZpYHGDMV1ev8txw`
	TXT	`MS=ms65105063`
	TXT	`google-site-verification=_8HT2hqpeJwL__q-eYwM6eKubRP2nX8kFao2_IlfZOc`
	TXT	`v=spf1 mx include:spf.gwdg.de include:spf.yve-tool.de ip4:155.56.221.13 ip4:1...`
	TXT	`zone-ownership-verification-4e95ba1562fe6b7d7fd5000d249ed3fefed9803b10aab281f...`
	TXT	`google-site-verification=dnSBuenbktdrWBa2AyYCTsb6kohTtitwQvtLHzFcXWM`
	SOA	`dns1.gwdg.de`hostmaster@gwdg.de serial=793270550

WOT: SAFE (91/100)
rank #829 globally
rank #9 in the tld
This domain name represents the official website of the Max Planck Society (Max-Planck-Gesellschaft), a German non-profit research organization. The society is named after Max Planck, a Nobel Prize-winning physicist. The acronym "MPG" corresponds to the initials of Max-Planck-Gesellschaft. The organization conducts basic research in the natural, life, and social sciences, the arts, and humanities.WOT: SAFE (91/100)
📈 Tranco rank: #2,549

PTR for

140.40.5.141.in-addr.arpa

Subdomains

rproxy.cec.mpg.de

ext1.cec.mpg.de

ext2.cec.mpg.de

Same first word

cec.life

cec.dk

cec.gov.ge

cec.qa

cec.org.uk

cec.one

cec.church

cec.com.pe

cec.pl

cec.eu.int

cec.email

cec.coop

cec.edu.bo

cec.biz

cec.ce.gov.br

cec.org.ar

cec.nc

cec.computer

cec.edu.bs

cec.be

cec.in

cec.or.kr

cec.lk

cec.com.uy

cec.si

cec.ie

cec.cl

cec.citic

cec.cc

cec.bh

cec.no

cec.com.es

cec.edu.cv

cec.ro

cec.com.gt

cec.me

cec.edu.ph

cec.edu.py

cec.com.ar

cec.solar

cec.edu.lb

cec.org

cec.lt

cec.es

cec.ltd

cec.services

cec.hu

cec.am

cec.org.es

cec.ac.in

cec.ch

cec.com.tw

cec.ee

cec.eu

cec.nom.es

cec.lat

cec.org.al

cec.md

cec.com.cn

cec.org.pt

cec.ca

cec.tv

cec.mn

cec.bike

cec.pp.ua

cec.edu.ec

cec.events

cec.com.my

cec.ky

cec.co.jp

cec.net

cec.com.mx

cec.com

cec.asia

cec.net.co

cec.network

cec.com.pk

cec.ph

cec.ac.th

cec.org.co

cec.edu.au

cec.it

cec.co.uk

cec.bs.it

cec.pt

cec.ma

cec.cat

cec.com.ua

cec.vn

cec.website

cec.rocks

cec.ae

cec.az

cec.com.qa

cec.ac

cec.com.zm

cec.info

cec.se

cec.org.hk

cec.hk

cec.cz

cec.im

cec.edu.pl

cec.org.tw

cec.sy

cec.lu

cec.engineering

cec.fr

cec.mx

cec.g12.br

cec.rentals

cec.nic.in

cec.at

cec.gov.tw

cec.nl

cec.world

cec.gmbh

cec.co

Similar names

ecc.com.do

ecc.ltd

ecc.gov.et

cce.dz

cce.com.pe

ecc.org

cce.bz

ecc.net

ecc.gmbh

cce.qld.edu.au

ecc.ac.uk

ecc.com.cn

ecc.cz

cce.fr

ecc.com.mx

ecc.cc

ecc.sy

cce.nl

cce.co.at

cce.mobi

ecc.com.az

ecc.com.sa

cce.be

ecc.ac.cr

ecc.me

ecc.com.ph

ecc.co

cce.info

cce.co.uk

cce.si

cce.dk

ecc.co.za

ecc.si

ecc.net.cn

cce.me

ecc.sg

ecc.be

ecc.cu

ecc.dk

ecc.wroclaw.pl

ecc.holdings

cce.ie

ecc.lv

cce.co.jp

ecc.ee

cce.kr

cce.sg

ecc.as

cce.com.cn

ecc.co.nz

ecc.email

cce.co.th

ecc.es

ecc.co.id

cce.gg

ecc.gov.ph

cce.sk

ecc.ru

ecc.us

ecc.eco

ecc.energy

cce.ca

cce.solutions

ecc.hu

cce.guru

cce.at

cce.edu.zm

cce.gov.co

ecc.pt

ecc.ro

ecc.ma

ecc.co.jp

DNS History

14 records (5 active, 9 former)

●NSdns1.gwdg.de2021-06-13 → 2026-03-25 · 3 obs

○ 2017-08-12 02:46:46
● 2021-06-13 17:46:22
● 2026-03-25 14:13:38

○NSdns2.gwdg.de2021-06-13 → 2021-06-13 · 4 obs

○ 2017-08-12 02:46:46
● 2021-06-13 17:46:22
○ 2026-02-24 15:21:38
○ 2026-03-25 14:13:38

○NSdns3.gwdg.de2021-06-13 → 2021-06-13 · 4 obs

○ 2017-08-12 02:46:46
● 2021-06-13 17:46:22
○ 2026-02-24 15:21:38
○ 2026-03-25 14:13:38

○NSgwdu01.gwdg.de2015-05-24 → 2017-08-12 · 4 obs

● 2015-05-24 13:20:08
● 2017-08-12 02:46:46
○ 2021-06-13 17:46:22
○ 2026-03-25 14:13:38

○NSns2.gwdg.de2015-05-24 → 2017-08-12 · 4 obs

● 2015-05-24 13:20:08
● 2017-08-12 02:46:46
○ 2021-06-13 17:46:22
○ 2026-03-25 14:13:38

○NSns3.gwdg.de2015-05-24 → 2017-08-12 · 4 obs

● 2015-05-24 13:20:08
● 2017-08-12 02:46:46
○ 2021-06-13 17:46:22
○ 2026-03-25 14:13:38

●MXa1233.mx.srv.dfn.de2021-06-13 → 2026-03-25 · 3 obs

○ 2017-08-12 02:46:46
● 2021-06-13 17:46:22
● 2026-03-25 14:13:38

●MXb1233.mx.srv.dfn.de2021-06-13 → 2026-03-25 · 3 obs

○ 2017-08-12 02:46:46
● 2021-06-13 17:46:22
● 2026-03-25 14:13:38

●MXc1233.mx.srv.dfn.de2021-06-13 → 2026-03-25 · 3 obs

○ 2017-08-12 02:46:46
● 2021-06-13 17:46:22
● 2026-03-25 14:13:38

○MXmx1.mpg.de2015-05-24 → 2017-08-12 · 4 obs

● 2015-05-24 13:20:08
● 2017-08-12 02:46:46
○ 2021-06-13 17:46:22
○ 2026-03-25 14:13:38

○MXmx2.mpg.de2015-05-24 → 2017-08-12 · 4 obs

● 2015-05-24 13:20:08
● 2017-08-12 02:46:46
○ 2021-06-13 17:46:22
○ 2026-03-25 14:13:38

○A141.5.40.1292015-05-24 → 2021-06-13 · 7 obs

● 2015-05-24 13:20:08
● 2016-06-19 07:34:24
○ 2016-09-16 20:54:22
○ 2017-08-12 02:46:46
● 2021-06-13 17:46:22
○ 2026-02-24 15:21:38
○ 2026-03-25 14:13:38

○A141.5.40.1302016-09-16 → 2017-08-12 · 5 obs

○ 2016-06-19 07:34:24
● 2016-09-16 20:54:22
● 2017-08-12 02:46:46
○ 2021-06-13 17:46:22
○ 2026-03-25 14:13:38

●A141.5.40.1402026-03-25 → 2026-03-25 · 3 obs

○ 2026-02-24 15:21:38
● 2026-03-25 14:13:36
● 2026-03-25 14:13:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
mpg.de	dns2.gwdg.de, dns1.gwdg.de, dns3.gwdg.de, sat.mpcdf.mpg.de...	6 records

✅ Authoritative Response

Server:193.175.210.140

NS records: dns2.gwdg.de, dns1.gwdg.de, dns3.gwdg.de, sat.mpcdf.mpg.de, ns1.es.net

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 962ms | Queries: -

📄 Records

Type	Count	Sample Data
TXT	4	`v=spf1 mx include:spf.gwdg.de -all, MS=8928D5143CCA4A854315115B3B4D45B47C7DF...`
SOA	1	`dns1.gwdg.de hostmaster.gwdg.de`

📌 Glue Records Collected

Total: 6

In-bailiwick: 1 (sat.mpcdf.mpg.de)

Out-of-bailiwick: 5 (dns3.gwdg.de, dns2.gwdg.de, dns1.gwdg.de...)

Analysis

Hierarchy

cec.mpg.de is a parent of rproxy.cec.mpg.de, ext1.cec.mpg.de and ext2.cec.mpg.de.

IP Addresses

cec.mpg.de points to a single IP address: 141.5.40.140.

Other host names, for instance rproxy.cec.mpg.de, share IP numbers with cec.mpg.de.

Name Servers

cec.mpg.de is delegated to a single name server, dns1.gwdg.de.

cec.mpg.de uses the same name server setup as other domains, including iuscrim.mpg.de, mpi-fg-koeln.mpg.de, mucam.mpg.de, mpih-frankfurt.mpg.de and amalie.mpg.de.

At least part of the name servers for cec.mpg.de are shared with other domains, for instance 229.37.195.in-addr.arpa, informatik.uni-goettingen.de, tropenzentrum.uni-goettingen.de, dingedeswissens.de and textstrukturen.uni-goettingen.de.

these name servers are commonly used with the name servers dns2.gwdg.de, dns3.gwdg.de, dns1.belwue.de, dns3.belwue.de, dns1.demogr.mpg.de, dns.mpicc.de, cooga.bgc-jena.mpg.de, elena.rz-berlin.mpg.de, dns2.mpifr-bonn.mpg.de and dns.mpifr-bonn.mpg.de.

Hostname dns1.gwdg.de resolves to two IPs: 2a06:93c7:e1::1 and 134.76.33.41.

Mail Servers

Three mail servers handle cec.mpg.de: a1233.mx.srv.dfn.de, b1233.mx.srv.dfn.de and c1233.mx.srv.dfn.de.

cec.mpg.de shares at least some mail servers with other domains, for example mascamp.org, eucrim.eu, mpi-muenster.mpg.de, mpi-muelheim.mpg.de and fkf.mpg.de.

these mail servers are frequently used alongside the mail servers smtp.biophys.mpg.de.

Host names with a single IP:

a1233.mx.srv.dfn.de points to: 194.95.232.101

b1233.mx.srv.dfn.de points to: 194.95.234.101

c1233.mx.srv.dfn.de points to: 194.95.238.101

cec.mpg.de - robtex.com

cec.mpg.de

mpg.de

PTR for

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`cec.mpg.de`

`mpg.de`