azuread.us - robtex.com

azuread.us

DNSSEC⚠️ Not signed
NSns1-33.azure-dns.com ⭐
A2603:1061:0:10::21🇺🇸 Microsoft2603:1000::/25 MICROSOFT
PTRns1-33.azure-dns.com
A150.171.10.33🇺🇸 Microsoft150.171.0.0/16 MICROSOFT
PTRns1-33.azure-dns.com
NSa1-115.akam.net
A2600:1401:2::73🇺🇸 Akamai2600:1401:2::/48 Technologies
PTRa1-115.akam.net
PTRns1-115.akam.net
A193.108.91.115🇳🇱 Akamai193.108.91.0/24 Technologies
PTRa1-115.akam.net
PTRns1-115.akam.net
NSa28-64.akam.net
A2600:1480:d800::40🇺🇸 Akamai2600:1480:d800::/48 Technologies
PTRa28-64.akam.net
A95.100.173.64🇳🇱 Akamai95.100.173.0/24 Technologies
PTRa28-64.akam.net
PTReur2.akam.net
NSa5-65.akam.net
A2600:1480:b000::41🇺🇸 Akamai2600:1480:b000::/48 Technologies
PTRa5-65.akam.net
PTRns6-65.akam.net
A95.100.168.65🇳🇱 Akamai95.100.168.0/24 Technologies
PTRa5-65.akam.net
PTRns6-65.akam.net
NSa9-66.akam.net
A2a02:26f0:117::42🇳🇱 Akamai2a02:26f0:117::/48 Technologies
PTRa9-66.akam.net
PTRns5-66.akam.net
A184.85.248.66🇺🇸 Akamai184.85.248.0/24 Technologies
PTRa9-66.akam.net
PTRns5-66.akam.net
NSns2-33.azure-dns.net
A2620:1ec:8ec:10::21🇺🇸 Microsoft2620:1ec::/36 MICROSOFT
PTRns2-33.azure-dns.net
A150.171.16.33🇺🇸 Microsoft150.171.0.0/16 MICROSOFT
PTRns2-33.azure-dns.net
NSns3-33.azure-dns.org
A2a01:111:4000:10::21🇬🇧 Microsoft2a01:111:4000::/36
PTRns3-33.azure-dns.org
A13.107.222.33🇺🇸 Microsoft13.104.0.0/14 MICROSOFT
PTRns3-33.azure-dns.org
NSns4-33.azure-dns.info
A2620:1ec:bda:10::21🇺🇸 Microsoft2620:1ec::/36 MICROSOFT
PTRns4-33.azure-dns.info
A13.107.206.33🇺🇸 Microsoft13.104.0.0/14 MICROSOFT
PTRns4-33.azure-dns.info
MXb2bdomains.mail.protection.office365.us ⭐
A2001:489a:2202:4::10🇺🇸 AS80702001:489a:2000::/35 Microsoft Federal
PTRmail-bn3usg020010.inbound.protection.outlook.com
A2001:489a:2202:5::10🇺🇸 AS80702001:489a:2000::/35 Microsoft Federal
PTRmail-cy1usg020010.inbound.protection.outlook.com
A23.103.199.138🇺🇸 Microsoft23.103.128.0/17 MICROSOFT
PTRmail-bn3usg020138.inbound.protection.outlook.com
A23.103.199.170🇺🇸 Microsoft23.103.128.0/17 MICROSOFT
PTRmail-cy1usg020170.inbound.protection.outlook.com
TXTv=spf1 include:spf.protection.office365.us -all
TXTMS=ms53109216
SOAns1-33.azure-dns.comaadnetsre@microsoft.com serial=7

us

DNSSEC🔒 Signed (DS record present)
NSa.cctld.us ⭐
NSb.cctld.us
NSf.cctld.us
NSk.cctld.us
NSm.cctld.us
NSn.cctld.us
NSw.cctld.us
NSx.cctld.us
NSy.cctld.us
SOAa.cctld.usadmin@tldns.godaddy serial=1774622051

Same first word

azuread.com
azuread.uk
azuread.us
azuread.site
azuread.net

Similar names

zadaure.com
auradez.com

DNS History

9 records (9 active, 0 former)

NSa1-115.akam.neta28-64.akam.neta5-65.akam.neta9-66.akam.netns1-33.azure-dns.comns2-33.azure-dns.netns3-33.azure-dns.orgns4-33.azure-dns.infoMXb2bdomains.mail.protection.office365.us
●NSa1-115.akam.net2026-02-23 → 2026-03-27 · 2 obs
● 2026-02-23 16:53:14
● 2026-03-27 14:45:44
●NSa28-64.akam.net2026-02-23 → 2026-03-27 · 2 obs
● 2026-02-23 16:53:14
● 2026-03-27 14:45:44
●NSa5-65.akam.net2026-02-23 → 2026-03-27 · 2 obs
● 2026-02-23 16:53:14
● 2026-03-27 14:45:44
●NSa9-66.akam.net2026-02-23 → 2026-03-27 · 2 obs
● 2026-02-23 16:53:14
● 2026-03-27 14:45:44
●NSns1-33.azure-dns.com2026-02-23 → 2026-03-27 · 2 obs
● 2026-02-23 16:53:14
● 2026-03-27 14:45:44
●NSns2-33.azure-dns.net2026-02-23 → 2026-03-27 · 2 obs
● 2026-02-23 16:53:14
● 2026-03-27 14:45:44
●NSns3-33.azure-dns.org2026-02-23 → 2026-03-27 · 2 obs
● 2026-02-23 16:53:14
● 2026-03-27 14:45:44
●NSns4-33.azure-dns.info2026-02-23 → 2026-03-27 · 2 obs
● 2026-02-23 16:53:14
● 2026-03-27 14:45:44
●MXb2bdomains.mail.protection.office365.us2026-02-23 → 2026-03-27 · 2 obs
● 2026-02-23 16:53:14
● 2026-03-27 14:45:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
usk.cctld.us, y.cctld.us, b.cctld.us, n.cctld.us...-
azuread.usns1-33.azure-dns.com, ns4-33.azure-dns.info, a1-115.akam.net, a5-65.akam.net...-

✅ Authoritative Response

Server:13.107.222.33

NS records: ns1-33.azure-dns.com, ns4-33.azure-dns.info, a1-115.akam.net, a5-65.akam.net, a28-64.akam.net, ns2-33.azure-dns.net, ns3-33.azure-dns.org, a9-66.akam.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for azuread.us (unsigned zone)

⏱️ Timing

Total: 443ms | Queries: -

📄 Records

TypeCountSample Data
NS8a1-115.akam.net, a28-64.akam.net...
MX1b2bdomains.mail.protection.office365.us
TXT2v=spf1 include:spf.protection.office365., MS=ms53109216
SOA1ns1-33.azure-dns.com aadnetsre.microsoft

Analysis

Name Servers

azuread.us is delegated to eight name servers: ns1-33.azure-dns.com, ns4-33.azure-dns.info, a1-115.akam.net, a28-64.akam.net, a5-65.akam.net, a9-66.akam.net, ns2-33.azure-dns.net and ns3-33.azure-dns.org.

azuread.us at least partially shares name servers with other domains, for instance divve.cloud, biosimilarsinformation.com, contosospace.org, mktbancoppel.com and dev101.dtp.internal.dynatracelabs.com.

These name servers are commonly used together with the name servers a11-66.akam.net, a12-67.akam.net, a1-139.akam.net, a8-66.akam.net, a7-66.akam.net, a12-66.akam.net, a16-66.akam.net, a6-65.akam.net, a18-66.akam.net and a10-66.akam.net.

Host names with two IP numbers:

ns1-33.azure-dns.com points to 2603:1061:0:10::21 and 150.171.10.33.

ns4-33.azure-dns.info points to 2620:1ec:bda:10::21 and 13.107.206.33.

a1-115.akam.net points to 2600:1401:2::73 and 193.108.91.115.

a28-64.akam.net points to 2600:1480:d800::40 and 95.100.173.64.

a5-65.akam.net points to 2600:1480:b000::41 and 95.100.168.65.

a9-66.akam.net points to 2a02:26f0:117::42 and 184.85.248.66.

ns2-33.azure-dns.net points to 2620:1ec:8ec:10::21 and 150.171.16.33.

ns3-33.azure-dns.org points to 2a01:111:4000:10::21 and 13.107.222.33.

Mail Servers

azuread.us is handled by a single mail server, b2bdomains.mail.protection.office365.us.

b2bdomains.mail.protection.office365.us resolves to four IPs: 2001:489a:2202:4::10, 2001:489a:2202:5::10, 23.103.199.138 and 23.103.199.170.