NSLIST.NET - s21sec.com
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s21sec.com checked at 2025-10-01T07:08:42.414Z 348ms 155/155/155 100% R:14s21sec.com
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rank #159202 in the tld
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AI analysis
s21sec.com is a parent of inbound2.s21sec.com, www.s21sec.com, sgs.s21sec.com, audit.s21sec.com and inbound1.s21sec.com.
s21sec.com is delegated to four name servers: ns1-01.azure-dns.com, ns4-01.azure-dns.info, ns2-01.azure-dns.net and ns3-01.azure-dns.org.
s21sec.com at least partially shares name servers with other domains, for example gcegroup.com, datalyticsdefense.com, swatch.co.th, k-way.us and viagogo.cl.
Host names with two IP numbers:
ns1-01.azure-dns.com points to: 2603:1061:0:700::1 and 13.107.236.1
ns4-01.azure-dns.info points to: 2620:1ec:bda:700::1 and 208.84.5.1
ns2-01.azure-dns.net points to: 2620:1ec:8ec:700::1 and 150.171.21.1
ns3-01.azure-dns.org points to: 2a01:111:4000:700::1 and 204.14.183.1
s21sec.com is handled by three mail servers: alt1.emea.email.fireeyecloud.com, alt2.emea.email.fireeyecloud.com and primary.emea.email.fireeyecloud.com.
s21sec.com shares at least partially some mail servers with other domains, for instance vdnet.gr, mantruckandbus.com, man-truckers-world.ch, reviglass.es and centra.co.uk.
these mail servers are often used together with alt3.emea.email.fireeyecloud.com, mx.emea.email.fireeyecloud.com and mailin.deka.de.
Host names with six IP numbers:
- alt1.emea.email.fireeyecloud.com points to: 3.123.5.6, 3.123.5.7, 3.123.5.8, 63.34.218.6, 63.34.218.7 and 63.34.218.8
- alt2.emea.email.fireeyecloud.com points to: 3.123.5.6, 3.123.5.7, 3.123.5.8, 63.34.218.6, 63.34.218.7 and 63.34.218.8
- primary.emea.email.fireeyecloud.com points to: 3.123.5.6, 3.123.5.7, 3.123.5.8, 63.34.218.6, 63.34.218.7 and 63.34.218.8
Names pointing to 3.123.5.6: alt1.emea.email.fireeyecloud.com, alt2.emea.email.fireeyecloud.com and primary.emea.email.fireeyecloud.com
Names pointing to 3.123.5.7: alt1.emea.email.fireeyecloud.com, alt2.emea.email.fireeyecloud.com and primary.emea.email.fireeyecloud.com
Names pointing to 3.123.5.8: alt1.emea.email.fireeyecloud.com, alt2.emea.email.fireeyecloud.com and primary.emea.email.fireeyecloud.com
Names pointing to 63.34.218.6: alt1.emea.email.fireeyecloud.com, alt2.emea.email.fireeyecloud.com and primary.emea.email.fireeyecloud.com
Names pointing to 63.34.218.7: alt1.emea.email.fireeyecloud.com, alt2.emea.email.fireeyecloud.com and primary.emea.email.fireeyecloud.com
Names pointing to 63.34.218.8: alt1.emea.email.fireeyecloud.com, alt2.emea.email.fireeyecloud.com and primary.emea.email.fireeyecloud.com