coi.gov.pl — domain check, WHOIS, DNS & reputation

HTML metadata

Title: Centralny Ośrodek Informatyki | COI
Description: Utrzymujemy i rozwijamy największe systemy IT w państwie.
Language: pl

Open Graph

url: https://www.coi.gov.pl
title: Centralny Ośrodek Informatyki - COI
locale: pl_PL
description: Utrzymujemy i rozwijamy największe systemy IT w państwie.

Technology

CDN: Azure Front Door
CMS: Next.js

Social

Contact

Phone

132-13602-305

Registration

Registrar

NASK

Created

2013-07-01

Expires

2027-01-19 232 days left

Updated

2026-02-25

Name servers

a16-66.akam.net
a1-92.akam.net
a2-64.akam.net
a7-65.akam.net
a26-64.akam.net
a3-65.akam.net

DNS records live

NS

a1-92.akam.net
a16-66.akam.net
a2-64.akam.net
a26-64.akam.net
a3-65.akam.net
a7-65.akam.net

MX

5 mail0.coi.gov.pl

TXT

Show 9 TXT records

6da282fd0eb60376f36df3a8b3892439a8beccf714e445d807862603cdc9276
34e0bb891c29884c6ffd98d126f4bade07eb48ef48bf550177b8972def8f73
65accc105606122dd727bb5626965122cba577cffd387c3cb1d4d4ed30b6e59
59fc57b9ba3c8ed03704c5192582e6f740f84162aa7da2d577712e912ea7d04
3d372e7b2f39572c9cd3516d4d8e1fa11120885c808fc2ad75fd5b68be68252
d6b0bbae3393e66c69d68097989ecae73871e92582b3d089745067fd411d298
7cfa7b9b376e3edf92b424e1ad39adcc8cb1e4d7195e375f3c63c5043ceb42b
2df634d4d16e199fae44da1fc853de35114d3f4074a4554dc2d5a23c98b1f4c
MS=10D6BD7A476345C8AFDC7EDB96E25198AB4AFAFE

Verified for

Apple

Email authentication strong

SPF

v=spf1 mx a ip4:185.41.95.135 ip4:185.41.95.136 ip4:185.41.95.137 ip4:185.41.95.138 ip4:185.41.95.139 ip4:185.41.95.140 ip4:185.41.95.143 ip4:185.41.93.166 include:_spf.freshmail.pl include:spf.protection.outlook.com -all

strict (-all)

DMARC

v=DMARC1; p=quarantine; rua=mailto:dmarc@coi.gov.pl; ruf=mailto:security@coi.gov.pl

policy: quarantine

DKIM

default: v=DKIM1; k=rsa; s=email; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC3k0OfuOch4JQ6SlPIyG2ppYGlvKb2eXj0yKP/tdVoVs3YZpPc2+Gp1AS1bnmefgt3YeRCxt0vs…
selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDe0rvBu3lg4HMzRjCDA/2JQo1JymKWGxvyN/G4fnm1mKuVzviuQBeiqA8Wg3cYTki4bNAWEyI0mB4QkqQb8h…
selector2: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCljQT7PYXkTUcdrD6u0r6FMPc7we7p2k2d50DsM25cSaPOvjhkOCBVTzMAqsB6ty95U07voZjQM7gGMbrunD…

selectors probed

Certificate (current)

GeoTrust TLS RSA CA G1

from 2026-03-11 to 2026-09-12

Expires in 103 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 85/100 Checked live page: https://coi.gov.pl/

present

strict-transport-security
content-security-policy
x-content-type-options
referrer-policy

findings

missing frame protection
missing Permissions Policy

Header values

referrer-policy: origin-when-cross-origin
x-content-type-options: nosniff
content-security-policy: frame-ancestors https://pi-ogp.coi.gov.pl; child-src https://pi-ogp.coi.gov.pl;
strict-transport-security: max-age=31536000; includeSubDomains

Links to (6)

Linked from (1)

kinaole.co×1