jacobsfederal.com - robtex.com

jacobsfederal.com

DNSSEC⚠️ Not signed
NSns1-03.azure-dns.com ⭐
A2603:1061:0:700::3🇺🇸 Microsoft2603:1000::/25 MICROSOFT
PTRns1-03.azure-dns.com
A13.107.236.3🇺🇸 Microsoft13.104.0.0/14 MICROSOFT
PTRns1-03.azure-dns.com
NSns2-03.azure-dns.net
A2620:1ec:8ec:700::3🇺🇸 Microsoft2620:1ec::/36 MICROSOFT
PTRns2-03.azure-dns.net
A150.171.21.3🇺🇸 Microsoft150.171.0.0/16 MICROSOFT
PTRns2-03.azure-dns.net
NSns3-03.azure-dns.org
A2a01:111:4000:700::3🇬🇧 Microsoft2a01:111:4000::/36
PTRns3-03.azure-dns.org
A204.14.183.3🇺🇸 Microsoft204.14.180.0/22
PTRns3-03.azure-dns.org
NSns4-03.azure-dns.info
A2620:1ec:bda:700::3🇺🇸 Microsoft2620:1ec::/36 MICROSOFT
PTRns4-03.azure-dns.info
A208.84.5.3🇺🇸 Microsoft208.84.0.0/21 MICROSOFT
PTRns4-03.azure-dns.info
MXjacobsfederal.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
TXT_x34yo5e3ti36j5ongkj0tcsrtlwpewy
SOAns1-03.azure-dns.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=1778509556

Same first word

jacobsfederal.net
jacobsfederal.com

DNS History

10 records (5 active, 5 former)

202120222023202420252026NSns1-03.azure-dns.comns2-03.azure-dns.netns3-03.azure-dns.orgns4-03.azure-dns.infodns024.c.register.comdns074.b.register.comdns083.d.register.comdns090.a.register.comMXjacobsfederal.mail.protection.office365.usA208.91.197.39
○NSdns024.c.register.com2020-02-15 → 2020-02-15 · 3 obs
● 2020-02-15 13:40:42
○ 2026-04-16 09:25:12
○ 2026-05-11 14:50:36
○NSdns074.b.register.com2020-02-15 → 2020-02-15 · 3 obs
● 2020-02-15 13:40:42
○ 2026-04-16 09:25:12
○ 2026-05-11 14:50:36
○NSdns083.d.register.com2020-02-15 → 2020-02-15 · 3 obs
● 2020-02-15 13:40:42
○ 2026-04-16 09:25:12
○ 2026-05-11 14:50:36
○NSdns090.a.register.com2020-02-15 → 2020-02-15 · 3 obs
● 2020-02-15 13:40:42
○ 2026-04-16 09:25:12
○ 2026-05-11 14:50:36
●NSns1-03.azure-dns.com2026-04-16 → 2026-05-11 · 3 obs
○ 2020-02-15 13:40:42
● 2026-04-16 09:25:12
● 2026-05-11 14:50:36
●NSns2-03.azure-dns.net2026-04-16 → 2026-05-11 · 3 obs
○ 2020-02-15 13:40:42
● 2026-04-16 09:25:12
● 2026-05-11 14:50:36
●NSns3-03.azure-dns.org2026-04-16 → 2026-05-11 · 3 obs
○ 2020-02-15 13:40:42
● 2026-04-16 09:25:12
● 2026-05-11 14:50:36
●NSns4-03.azure-dns.info2026-04-16 → 2026-05-11 · 3 obs
○ 2020-02-15 13:40:42
● 2026-04-16 09:25:12
● 2026-05-11 14:50:36
●MXjacobsfederal.mail.protection.office365.us2026-04-16 → 2026-05-11 · 2 obs
● 2026-04-16 09:25:12
● 2026-05-11 14:50:36
○A208.91.197.392020-02-15 → 2020-02-15 · 3 obs
● 2020-02-15 13:40:42
○ 2026-04-16 09:25:12
○ 2026-05-11 14:50:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
jacobsfederal.comns1-03.azure-dns.com, ns2-03.azure-dns.net, ns3-03.azure-dns.org, ns4-03.azure-dns.info2 records

✅ Authoritative Response

Server:13.107.236.3

NS records: ns1-03.azure-dns.com, ns2-03.azure-dns.net, ns3-03.azure-dns.org, ns4-03.azure-dns.info

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jacobsfederal.com (unsigned zone)

⏱️ Timing

Total: 322ms | Queries: -

📄 Records

TypeCountSample Data
NS4ns1-03.azure-dns.com, ns2-03.azure-dns.net...
MX1jacobsfederal.mail.protection.office365.
TXT2v=spf1 include:spf.protection.office365., _x34yo5e3ti36j5ongkj0tcsrtlwpewy
SOA1ns1-03.azure-dns.com azuredns-hostmaster

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1-03.azure-dns.com, ns1-03.azure-dns.com)

Analysis

Name Servers

jacobsfederal.com is delegated to four name servers: ns1-03.azure-dns.com, ns4-03.azure-dns.info, ns2-03.azure-dns.net and ns3-03.azure-dns.org.

jacobsfederal.com at least partially shares name servers with other domains, for instance 39.52.20.in-addr.arpa, miks-it.com, 51.150.20.in-addr.arpa, auscoalsuper.com and unifreedutyfree.com.

Host names with two IP numbers:

ns1-03.azure-dns.com points to: 2603:1061:0:700::3 and 13.107.236.3.

ns4-03.azure-dns.info points to: 2620:1ec:bda:700::3 and 208.84.5.3.

ns2-03.azure-dns.net points to: 2620:1ec:8ec:700::3 and 150.171.21.3.

ns3-03.azure-dns.org points to: 2a01:111:4000:700::3 and 204.14.183.3.

Mail Servers

jacobsfederal.com is handled by a single mail server, jacobsfederal.mail.protection.office365.us.

jacobsfederal.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.