CF1760278696434-tsm20251012132122

WWW.RTSAK.COM - certum.eu

Search for IP or hostnames:

certum.eu checked at 2025-10-12T14:18:16.421Z 421ms 134/134/134 100% R:18

certum.eu

NSa1-222.akam.net
A2600:1401:2::de 🇺🇸 Akamai
PTRa1-222.akam.net
PTRns1-222.akam.net
A193.108.91.222🇳🇱 Akamai
PTRa1-222.akam.net
PTRns1-222.akam.net
NSa11-66.akam.net
A2600:1480:1::42 🇺🇸 Akamai
PTRa11-66.akam.net
PTRns4-66.akam.net
A84.53.139.66🇳🇱 Akamai
PTRa11-66.akam.net
PTRns4-66.akam.net
NSa16-64.akam.net
A2600:1406:1b::40 🇺🇸 Akamai
PTRa16-64.akam.net
A23.211.132.64🇺🇸 Akamai
PTRa16-64.akam.net
NSa22-67.akam.net
A2600:1480:7800::43 🇺🇸 Akamai
PTRa22-67.akam.net
A23.211.61.67🇺🇸 Akamai
PTRa22-67.akam.net
MXpri.mx.certum.pl
A213.222.201.98🇵🇱 Asseco Data Systems
PTRpri.mx.certum.pl
MXsec.mx.certum.pl
A213.222.198.98🇵🇱 Asseco Data Systems AS34530
PTRsec.mx.certum.pl
MXcertum-eu.mail.protection.outlook.com
A2a01:111:f403:ca04::2 🇮🇪 Microsoft
PTRmail-du2pr03cu00102.inbound.protection.outlook.com
A2a01:111:f403:ca04::7 🇮🇪 Microsoft
PTRmail-db4pr02cu00307.inbound.protection.outlook.com
A2a01:111:f403:ca04::8 🇮🇪 Microsoft
PTRmail-db5pr02cu00100.inbound.protection.outlook.com
A2a01:111:f403:ca04::e 🇮🇪 Microsoft
PTRmail-db8pr02cu00106.inbound.protection.outlook.com
A52.101.68.0🇮🇪 Microsoft
PTRmail-db3pr0202cu00100.inbound.protection.outlook.com
A52.101.68.25🇮🇪 Microsoft
PTRmail-db8pr02cu00101.inbound.protection.outlook.com
A52.101.73.15🇳🇱 Microsoft
PTRmail-am9pr04cu00107.inbound.protection.outlook.com
A52.101.73.16🇳🇱 Microsoft
PTRmail-as2pr05cu00100.inbound.protection.outlook.com
A213.222.202.80🇵🇱 Asseco Data Systems

eu

NSbe.dns.eu
NSsi.dns.eu
NSw.dns.eu
NSx.dns.eu
NSy.dns.eu
rank #732505 globally
rank #3079 in the tld

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Starts with same word

Starts similarily

AI analysis

certum.eu is a parent of www.certum.eu, ns2.certum.eu and ns1.certum.eu.

certum.eu points to IP number: 213.222.202.80.

certum.eu is delegated to four name servers: a1-222.akam.net, a11-66.akam.net, a16-64.akam.net and a22-67.akam.net.

certum.eu at least partially shares name servers with other domains, for instance whengooglewasindiapers.com, touristanbul.com.tr, premera.com, bigpond.com and 241.144.139.in-addr.arpa.

These name servers are commonly used alongside a12-65.akam.net, a4-64.akam.net, a3-67.akam.net, a5-65.akam.net, a7-66.akam.net, a7-65.akam.net, a28-64.akam.net, a2-66.akam.net, a13-67.akam.net and a13-65.akam.net.

Host names with two IP numbers: a1-222.akam.net points to 2600:1401:2::de and 193.108.91.222; a11-66.akam.net points to 2600:1480:1::42 and 84.53.139.66; a16-64.akam.net points to 2600:1406:1b::40 and 23.211.132.64; a22-67.akam.net points to 2600:1480:7800::43 and 23.211.61.67.

Three mail servers handle certum.eu: pri.mx.certum.pl, sec.mx.certum.pl and certum-eu.mail.protection.outlook.com.

certum.eu shares mail servers with other domains, for instance certum.pl and certum.ru.

these mail servers are commonly used with certum-pl.mail.protection.outlook.com and certum-ru.mail.protection.outlook.com.

Eight IPs for certum-eu.mail.protection.outlook.com: 2a01:111:f403:ca04::2, 2a01:111:f403:ca04::7, 2a01:111:f403:ca04::8, 2a01:111:f403:ca04::e, 52.101.68.0, 52.101.68.25, 52.101.73.15 and 52.101.73.16. One IP for pri.mx.certum.pl: 213.222.201.98. One IP for sec.mx.certum.pl: 213.222.198.98.

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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