CF1760576964588-tsm20251015201252

DNSWHOIS.INFO - optistud.fi

Search for IP or hostnames:

optistud.fi checked at 2025-10-16T01:09:24.551Z 269ms 121/121/121 100% R:10

optistud.fi

NSns1.multi.fi
A2a00:4380:1:128::20 🇫🇮 JNT
PTRns1.multi.fi
A62.80.128.20🇫🇮 JNT
PTRns1.multi.fi
NSns2.multi.fi
A2a00:4380:1:128::29 🇫🇮 JNT
PTRns2.multi.fi
A62.80.128.29🇫🇮 JNT
PTRns2.multi.fi
NSns3.multi.fi
A2a00:4380:1:128::30 🇫🇮 JNT
PTRns3.multi.fi
A62.80.128.30🇫🇮 JNT
PTRns3.multi.fi
NSns4.multi.fi
A62.80.136.42🇫🇮 JNT
PTRns4.multi.fi
NSns1.z.fi
A2620:10a:80eb::2 🇨🇦 CIRA-CLOUD1
PTRns1.d-zone.ca
A162.219.54.2🇨🇦 CIRA-CLOUD1
PTRns1.d-zone.ca
NSns2.z.fi
A2620:10a:80ec::2 🇨🇦 CIRA-CLOUD2
PTRns2.d-zone.ca
A162.219.55.2🇨🇦 CIRA-CLOUD2
PTRns2.d-zone.ca
MXoptistud-fi.mail.protection.outlook.com
A2a01:111:f403:ca04::b 🇮🇪 Microsoft
PTRmail-dbbpr03cu00103.inbound.protection.outlook.com
A2a01:111:f403:ca09::3 🇳🇱 Microsoft
PTRmail-am6pr04cu00303.inbound.protection.outlook.com
A2a01:111:f403:ca09::c 🇳🇱 Microsoft
PTRmail-as8pr05cu00304.inbound.protection.outlook.com
A2a01:111:f403:ca09::f 🇳🇱 Microsoft
PTRmail-am7pr05cu00307.inbound.protection.outlook.com
A52.101.68.16🇮🇪 Microsoft
PTRmail-db4pr02cu00400.inbound.protection.outlook.com
A52.101.73.8🇳🇱 Microsoft
PTRmail-am0pr04cu00500.inbound.protection.outlook.com
A52.101.73.12🇳🇱 Microsoft
PTRmail-am4pr0401cu00104.inbound.protection.outlook.com
A52.101.73.15🇳🇱 Microsoft
PTRmail-am9pr04cu00107.inbound.protection.outlook.com

fi

NSa.fi
NSb.fi
NSc.fi
NSd.fi
NSe.fi
NSf.fi
NSg.fi
NSi.fi
NSj.fi
NSk.fi

Starts with same word

Starts similarily

AI analysis

optistud.fi is delegated to six name servers: ns1.multi.fi, ns2.multi.fi, ns3.multi.fi, ns4.multi.fi, ns1.z.fi and ns2.z.fi.

optistud.fi partially shares name servers with other domains; examples include lappeenrannanteatteri.fi, 2z.fi, avario.fi, catshow.fi and venergia.fi.

These name servers are commonly used alongside ns1.shellit.org, ns2.shellit.org, ns3.shellit.org, ns1-eu.mfidds.fi, ns1-us.mfidds.fi, ns1.f-solutions.fi, ns2.f-solutions.fi, ns2.meita.fi and ns.meita.fi.

Host names with two IP numbers:

ns1.multi.fi points to: 2a00:4380:1:128::20 and 62.80.128.20.

ns2.multi.fi points to: 2a00:4380:1:128::29 and 62.80.128.29.

ns3.multi.fi points to: 2a00:4380:1:128::30 and 62.80.128.30.

ns1.z.fi points to: 2620:10a:80eb::2 and 162.219.54.2.

ns2.z.fi points to: 2620:10a:80ec::2 and 162.219.55.2.

Host names with one IP number:

ns4.multi.fi points to: 62.80.136.42.

optistud.fi is handled by a single mail server, optistud-fi.mail.protection.outlook.com.

Hostname optistud-fi.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::b, 2a01:111:f403:ca09::3, 2a01:111:f403:ca09::c, 2a01:111:f403:ca09::f, 52.101.68.16, 52.101.73.8, 52.101.73.12 and 52.101.73.15.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
dbq

EnnvtAD CF johedugfp 2025-10-16