checkmark-it.com - robtex.com

checkmark-it.com

DNSSEC⚠️ Not signed
A88.80.189.216🇬🇧 AKAMAI-LINODE-AP88.80.184.0/21 Akamai Technologies
PTRprx1.i-com.co
NSns1.bdm.microsoftonline.com ⭐
A2603:1061:0:700::d0🇺🇸 Microsoft2603:1000::/25 MICROSOFT
PTRns1-208.azure-dns.com
A13.107.236.208🇺🇸 Microsoft13.104.0.0/14 MICROSOFT
PTRns1-208.azure-dns.com
NSns2.bdm.microsoftonline.com
A2620:1ec:8ec:700::d0🇺🇸 Microsoft2620:1ec::/36 MICROSOFT
PTRns2-208.azure-dns.net
A150.171.21.208🇺🇸 Microsoft150.171.0.0/16 MICROSOFT
PTRns2-208.azure-dns.net
NSns3.bdm.microsoftonline.com
A2a01:111:4000:700::d0🇬🇧 Microsoft2a01:111:4000::/36
PTRns3-208.azure-dns.org
A204.14.183.208🇺🇸 Microsoft204.14.180.0/22
PTRns3-208.azure-dns.org
NSns4.bdm.microsoftonline.com
A2620:1ec:bda:700::d0🇺🇸 Microsoft2620:1ec::/36 MICROSOFT
PTRns4-208.azure-dns.info
A208.84.5.208🇺🇸 Microsoft208.84.0.0/21 MICROSOFT
PTRns4-208.azure-dns.info
MXmx01.hornetsecurity.com ⭐
A94.100.132.8🇩🇪 MK-NETZDIENSTE-AS94.100.132.0/23 ANTISPAMEUROPE-NET via AS25394
PTRmx01.hornetsecurity.com
MXmx02.hornetsecurity.com(20)
A94.100.136.8🇩🇪 SSERV-AS94.100.136.0/23 ANTISPAMEUROPE via as24679.net
PTRmx02.hornetsecurity.com
MXmx03.hornetsecurity.com(30)
A94.100.134.8🇩🇪 NCORE-AS94.100.134.0/24 antispameurope GmbH via as12676
PTRmx03.hornetsecurity.com
MXmx04.hornetsecurity.com(40)
A94.100.136.7🇩🇪 SSERV-AS94.100.136.0/23 ANTISPAMEUROPE via as24679.net
PTRmx04.hornetsecurity.com
MXcheckmarkit-com02c.mail.protection.outlook.com(100)
A2a01:111:f403:ca0b::🇬🇧 Microsoft2a01:111:f000::/36
PTRmail-lo2p265cu02300.inbound.protection.outlook.com
A2a01:111:f403:ca0b::1🇬🇧 Microsoft2a01:111:f000::/36
PTRmail-lo3p265cu00301.inbound.protection.outlook.com
A2a01:111:f403:ca1a::🇬🇧 Microsoft2a01:111:f000::/36
PTRmail-cwxp265cu00500.inbound.protection.outlook.com
A2a01:111:f403:ca1a::1🇬🇧 Microsoft2a01:111:f000::/36
PTRmail-cwxp265cu00601.inbound.protection.outlook.com
A52.101.89.1🇬🇧 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-lo0p265cu00201.inbound.protection.outlook.com
A52.101.89.2🇬🇧 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-lo3p265cu00302.inbound.protection.outlook.com
A52.101.99.0🇬🇧 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-cwxp265cu00600.inbound.protection.outlook.com
A52.101.99.2🇬🇧 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-cwxp265cu00502.inbound.protection.outlook.com
TXTmscid=xYnkrS5bnDyV5mL9jb1QJTqWOmJlY31CusOUxvR1PnGV3/3BPTte67odlo/hOLYXwYEsD4c...
TXTv=spf1 ip4:85.199.216.99 include:spf.hornetsecurity.com include:spf.eu.exclai...
TXTknowbe4-site-verification=504da4cdb1d87ff6d416a0d7f3d2d523
TXTzoho-verification=zb63488793.zmverify.zoho.eu
TXTd365mktkey=bFuRtSQyn2qih0oS16OgCtRULoGKy8MOkqNUbbSQTfUx
SOAns1.bdm.microsoftonline.comazuredns-hostmaster@microsoft.com serial=1

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1771291435

DNS History

17 records (10 active, 7 former)

20162017201820192020202120222023202420252026NSns1.bdm.microsoftonline.comns2.bdm.microsoftonline.comns3.bdm.microsoftonline.comns4.bdm.microsoftonline.comns1.danaweb.orgns2.danaweb.orgns3.danaweb.orgns4.danaweb.orgMXcheckmarkit-com02c.mail.protection.outlook.commx01.hornetsecurity.commx02.hornetsecurity.commx03.hornetsecurity.commx04.hornetsecurity.comdanasafe1.danaweb.orgdanasafe2.danaweb.orgA88.80.189.216193.8.37.84
●NSns1.bdm.microsoftonline.com2026-03-16 → 2026-03-16 · 3 obs
○ 2017-02-14 03:40:20
● 2026-03-16 23:47:20
● 2026-03-16 23:47:22
○NSns1.danaweb.org2015-06-10 → 2017-02-14 · 4 obs
● 2015-06-10 16:51:38
● 2017-02-14 03:40:20
○ 2026-03-16 23:47:20
○ 2026-03-16 23:47:22
●NSns2.bdm.microsoftonline.com2026-03-16 → 2026-03-16 · 3 obs
○ 2017-02-14 03:40:20
● 2026-03-16 23:47:20
● 2026-03-16 23:47:22
○NSns2.danaweb.org2015-06-10 → 2017-02-14 · 4 obs
● 2015-06-10 16:51:38
● 2017-02-14 03:40:20
○ 2026-03-16 23:47:20
○ 2026-03-16 23:47:22
●NSns3.bdm.microsoftonline.com2026-03-16 → 2026-03-16 · 3 obs
○ 2017-02-14 03:40:20
● 2026-03-16 23:47:20
● 2026-03-16 23:47:22
○NSns3.danaweb.org2015-06-10 → 2017-02-14 · 4 obs
● 2015-06-10 16:51:38
● 2017-02-14 03:40:20
○ 2026-03-16 23:47:20
○ 2026-03-16 23:47:22
●NSns4.bdm.microsoftonline.com2026-03-16 → 2026-03-16 · 3 obs
○ 2017-02-14 03:40:20
● 2026-03-16 23:47:20
● 2026-03-16 23:47:22
○NSns4.danaweb.org2015-06-10 → 2017-02-14 · 4 obs
● 2015-06-10 16:51:38
● 2017-02-14 03:40:20
○ 2026-03-16 23:47:20
○ 2026-03-16 23:47:22
●MXcheckmarkit-com02c.mail.protection.outlook.com2026-03-16 → 2026-03-16 · 3 obs
○ 2017-02-14 03:40:20
● 2026-03-16 23:47:20
● 2026-03-16 23:47:22
○MXdanasafe1.danaweb.org2015-06-10 → 2017-02-14 · 4 obs
● 2015-06-10 16:51:38
● 2017-02-14 03:40:20
○ 2026-03-16 23:47:20
○ 2026-03-16 23:47:22
○MXdanasafe2.danaweb.org2015-06-10 → 2017-02-14 · 4 obs
● 2015-06-10 16:51:38
● 2017-02-14 03:40:20
○ 2026-03-16 23:47:20
○ 2026-03-16 23:47:22
●MXmx01.hornetsecurity.com2026-03-16 → 2026-03-16 · 3 obs
○ 2017-02-14 03:40:20
● 2026-03-16 23:47:20
● 2026-03-16 23:47:22
●MXmx02.hornetsecurity.com2026-03-16 → 2026-03-16 · 3 obs
○ 2017-02-14 03:40:20
● 2026-03-16 23:47:20
● 2026-03-16 23:47:22
●MXmx03.hornetsecurity.com2026-03-16 → 2026-03-16 · 3 obs
○ 2017-02-14 03:40:20
● 2026-03-16 23:47:20
● 2026-03-16 23:47:22
●MXmx04.hornetsecurity.com2026-03-16 → 2026-03-16 · 3 obs
○ 2017-02-14 03:40:20
● 2026-03-16 23:47:20
● 2026-03-16 23:47:22
○A193.8.37.842015-06-10 → 2017-02-14 · 4 obs
● 2015-06-10 16:51:38
● 2017-02-14 03:40:20
○ 2026-03-16 23:47:20
○ 2026-03-16 23:47:22
●A88.80.189.2162026-03-16 → 2026-03-16 · 3 obs
○ 2017-02-14 03:40:20
● 2026-03-16 23:47:20
● 2026-03-16 23:47:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
checkmark-it.comns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com, ns4.bdm.microsoftonline.com8 records

✅ Authoritative Response

Server: 204.14.183.208

NS records: ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com, ns4.bdm.microsoftonline.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for checkmark-it.com (unsigned zone)

⏱️ Timing

Total: 213ms | Queries: -

📄 Records

TypeCountSample Data
A188.80.189.216
NS4ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com...
MX5checkmarkit-com02c.mail.protection.outlo, mx01.hornetsecurity.com (pri: 10)...
TXT5mscid=xYnkrS5bnDyV5mL9jb1QJTqWOmJlY31Cus, v=spf1 ip4:85.199.216.99 include:spf.hor...
SOA1ns1.bdm.microsoftonline.com azuredns-hos

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns1.bdm.microsoftonline.com, ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com...)

Analysis

IP Addresses

checkmark-it.com resolves to a single IP: 88.80.189.216.

Other host names, for instance jkca.co.uk, hosting.i-com.co, linenslimited.co.uk, lineagroup.net and i-com.agency share IP numbers with checkmark-it.com.

Name Servers

checkmark-it.com is delegated to four name servers: ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com and ns4.bdm.microsoftonline.com.

checkmark-it.com shares some name servers with other domains, for example gopherstagelighting.com, caniaccoach.net, cblpropertiestx.com, regentps.com and burtfirm.com.

Host names with two IP numbers

Two IPs per host:

ns1.bdm.microsoftonline.com points to 2603:1061:0:700::d0 and 13.107.236.208

ns2.bdm.microsoftonline.com points to 2620:1ec:8ec:700::d0 and 150.171.21.208

ns3.bdm.microsoftonline.com points to 2a01:111:4000:700::d0 and 204.14.183.208

ns4.bdm.microsoftonline.com points to 2620:1ec:bda:700::d0 and 208.84.5.208

Mail Servers

checkmark-it.com is handled by five mail servers: mx01.hornetsecurity.com, mx02.hornetsecurity.com, mx03.hornetsecurity.com, mx04.hornetsecurity.com and checkmarkit-com02c.mail.protection.outlook.com.

checkmark-it.com shares some mail servers with other domains, at least partially; for instance ejidomar.es, seifert.lvm.de, haas-letze.de, wholecropmarketing.co.uk and garcia-lax.de.

Host names with eight IP numbers:

checkmarkit-com02c.mail.protection.outlook.com points to: 2a01:111:f403:ca0b::, 2a01:111:f403:ca0b::1, 2a01:111:f403:ca1a::, 2a01:111:f403:ca1a::1, 52.101.89.1, 52.101.89.2, 52.101.99.0 and 52.101.99.2.

Host names with one IP number:

mx01.hornetsecurity.com points to: 94.100.132.8.

mx02.hornetsecurity.com points to: 94.100.136.8.

mx03.hornetsecurity.com points to: 94.100.134.8.

mx04.hornetsecurity.com points to: 94.100.136.7.