css.one.microsoft.com - dns.ninja

css.one.microsoft.com

DNSSEC⚠️ Not signed
A131.107.115.214🇺🇸 AS3598131.107.0.0/16 Microsoft Corporate
PTRmail3.microsoft.com
PTRmailc.microsoft.com
PTRsmtp.microsoft.com
A131.107.115.215🇺🇸 AS3598131.107.0.0/16 Microsoft Corporate
A205.248.106.30🇺🇸 BT205.248.0.0/16
A205.248.106.32🇺🇸 BT205.248.0.0/16
A205.248.106.64🇺🇸 BT205.248.0.0/16
MXcss-one-microsoft-com.mail.protection.outlook.com ⭐
A2a01:111:f403:c801::1🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-sn1pr0501cu00101.inbound.protection.outlook.com
A2a01:111:f403:c92c::4🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-dm6pr05cu00404.inbound.protection.outlook.com
A2a01:111:f403:f804::2🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-co1pr05cu00402.inbound.protection.outlook.com
A2a01:111:f403:f901::1🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-bl0pr02cu00601.inbound.protection.outlook.com
A52.101.9.12🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-bl0pr05cu00504.inbound.protection.outlook.com
A52.101.10.12🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-bn1pr21cu00204.inbound.protection.outlook.com
A52.101.40.6🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-cy1pr03cu00106.inbound.protection.outlook.com
A52.101.41.22🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-sj2pr05cu00406.inbound.protection.outlook.com
TXT"v=spf1 include:_spf-ssg-a.microsoft.com -all,MS=ms50282461,v=msv1 t=6097A7EA...

one.microsoft.com

DNSSEC⚠️ Not signed
NSns1-35.azure-dns.com ⭐
NSns2-35.azure-dns.net
NSns3-35.azure-dns.org
NSns4-35.azure-dns.info
TXTv=spf1 -all
SOAns1-35.azure-dns.comazuredns-hostmaster@microsoft.com serial=1
WOT: SAFE (94/100)
WOT: SAFE (95/100)

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DNS History

6 records (6 active, 0 former)

20162017201820192020202120222023202420252026MXcss-one-microsoft-com.mail.protection.outlook.comA131.107.115.214131.107.115.215205.248.106.30205.248.106.32205.248.106.64
●MXcss-one-microsoft-com.mail.protection.outlook.com2015-09-02 → 2026-07-23 · 2 obs
● 2015-09-02 00:32:40
● 2026-07-23 20:06:00
●A131.107.115.2142015-09-02 → 2026-07-23 · 2 obs
● 2015-09-02 00:32:40
● 2026-07-23 20:06:00
●A131.107.115.2152015-09-02 → 2026-07-23 · 2 obs
● 2015-09-02 00:32:40
● 2026-07-23 20:06:00
●A205.248.106.302015-09-02 → 2026-07-23 · 2 obs
● 2015-09-02 00:32:40
● 2026-07-23 20:06:00
●A205.248.106.322015-09-02 → 2026-07-23 · 2 obs
● 2015-09-02 00:32:40
● 2026-07-23 20:06:00
●A205.248.106.642015-09-02 → 2026-07-23 · 2 obs
● 2015-09-02 00:32:40
● 2026-07-23 20:06:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
microsoft.comns1-39.azure-dns.com, ns2-39.azure-dns.net, ns3-39.azure-dns.org, ns4-39.azure-dns.info1 record
one.microsoft.comns1-35.azure-dns.com, ns2-35.azure-dns.net, ns3-35.azure-dns.org, ns4-35.azure-dns.info-

✅ Authoritative Response

Server:150.171.10.35

NS records: ns1-35.azure-dns.com, ns2-35.azure-dns.net, ns3-35.azure-dns.org, ns4-35.azure-dns.info

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for microsoft.com (unsigned zone)

⏱️ Timing

Total: 224ms | Queries: -

📄 Records

TypeCountSample Data
A5131.107.115.214, 131.107.115.215...
MX1css-one-microsoft-com.mail.protection.ou
TXT1"v=spf1 include:_spf-ssg-a.microsoft.com

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns1-39.azure-dns.com)

Analysis

IP Addresses

css.one.microsoft.com resolves to five IP addresses: 131.107.115.214, 131.107.115.215, 205.248.106.30 and two others

Additional host names — mailb.microsoft.com, mail3.microsoft.com, mailc.microsoft.com and two others — share IP numbers with css.one.microsoft.com.

Mail Servers

css.one.microsoft.com has one mail server: css-one-microsoft-com.mail.protection.outlook.com.

css-one-microsoft-com.mail.protection.outlook.com points to 8 IP numbers: 52.101.9.12, 52.101.10.12, 52.101.40.6 and 5 other.