usjack.com - dns.ninja

usjack.com

DNSSEC⚠️ Not signed
A173.230.141.220🇺🇸 AKAMAI-LINODE-AP173.230.128.0/20 Akamai Technologies
PTRhost11.bf-server5.com
NSns1.bf-server5.com ⭐
A45.79.213.219🇺🇸 AKAMAI-LINODE-AP45.79.192.0/19 Akamai Technologies
PTRdns1.bf-server5.com
NSns2.bf-server5.com
NSns3.bf-server5.com
A173.230.141.220🇺🇸 AKAMAI-LINODE-AP173.230.128.0/20 Akamai Technologies
PTRhost11.bf-server5.com
NSns4.bf-server5.com ⚠️ Not in zone NS records
A45.79.197.63🇺🇸 AKAMAI-LINODE-AP45.79.192.0/19 Akamai Technologies
PTRhost12.bf-server5.com
MXusjack.mail.protection.office365.us ⭐
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 +mx +ip4:173.230.141.220 ip4:70.32.23.160 ip4:68.66.216.55 include:spf...
TXTMS=ms17071986
SOAns1.bf-server5.comdevelopers@bluefirecrew.com 2026-08-09 #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=1786738644
WOT: SAFE (19/100)

Previously MX for

usjack.com

Same first word

usjack.com

Similar names

jakucs.hu
kjcusa.com
juscak.sk
jacksu.com
jacksu.de
jacsuk.com
jackus.com
cakujs.com
ujacks.com
juscak.com
cjkusa.com

DNS History

11 records (6 active, 5 former)

20162017201820192020202120222023202420252026NSns1.bf-server5.comns2.bf-server5.comns3.bf-server5.comns4.bf-server5.comns1.nuqnet.comns2.nuqnet.comMXusjack.mail.protection.office365.ususjack.comA173.230.141.22065.183.182.1065.183.182.13
●NSns1.bf-server5.com2026-02-23 → 2026-08-14 · 3 obs
○ 2018-12-03 14:37:30
● 2026-02-23 21:40:10
● 2026-08-14 20:20:04
○NSns1.nuqnet.com2015-08-09 → 2018-12-03 · 4 obs
● 2015-08-09 18:14:48
● 2018-12-03 14:37:30
○ 2026-02-23 21:40:10
○ 2026-08-14 20:20:04
●NSns2.bf-server5.com2026-02-23 → 2026-08-14 · 3 obs
○ 2018-12-03 14:37:30
● 2026-02-23 21:40:10
● 2026-08-14 20:20:04
○NSns2.nuqnet.com2015-08-09 → 2018-12-03 · 4 obs
● 2015-08-09 18:14:48
● 2018-12-03 14:37:30
○ 2026-02-23 21:40:10
○ 2026-08-14 20:20:04
●NSns3.bf-server5.com2026-02-23 → 2026-08-14 · 3 obs
○ 2018-12-03 14:37:30
● 2026-02-23 21:40:10
● 2026-08-14 20:20:04
●NSns4.bf-server5.com2026-02-23 → 2026-08-14 · 3 obs
○ 2018-12-03 14:37:30
● 2026-02-23 21:40:10
● 2026-08-14 20:20:04
○MXusjack.com2015-08-09 → 2018-12-03 · 4 obs
● 2015-08-09 18:14:48
● 2018-12-03 14:37:30
○ 2026-02-23 21:40:10
○ 2026-08-14 20:20:04
●MXusjack.mail.protection.office365.us2026-02-23 → 2026-08-14 · 3 obs
○ 2018-12-03 14:37:30
● 2026-02-23 21:40:10
● 2026-08-14 20:20:04
●A173.230.141.2202026-02-23 → 2026-08-14 · 3 obs
○ 2018-12-03 14:37:30
● 2026-02-23 21:40:10
● 2026-08-14 20:20:04
○A65.183.182.102017-01-03 → 2018-12-03 · 5 obs
○ 2016-04-23 17:51:20
● 2017-01-03 02:10:10
● 2018-12-03 14:37:30
○ 2026-02-23 21:40:10
○ 2026-08-14 20:20:04
○A65.183.182.132015-08-09 → 2016-04-23 · 4 obs
● 2015-08-09 18:14:48
● 2016-04-23 17:51:20
○ 2017-01-03 02:10:10
○ 2026-08-14 20:20:04

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
usjack.comns1.bf-server5.com, ns2.bf-server5.com, ns3.bf-server5.com, ns4.bf-server5.com4 records

✅ Authoritative Response

Server:74.207.237.127

NS records: ns1.bf-server5.com, ns2.bf-server5.com, ns3.bf-server5.com, ns4.bf-server5.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for usjack.com (unsigned zone)

⏱️ Timing

Total: 170ms | Queries: -

📄 Records

TypeCountSample Data
A1173.230.141.220
NS3ns2.bf-server5.com, ns1.bf-server5.com...
MX1usjack.mail.protection.office365.us (pri
TXT2v=spf1 +mx +ip4:173.230.141.220 ip4:70.3, MS=ms17071986
SOA1ns1.bf-server5.com developers.bluefirecr

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.bf-server5.com, ns2.bf-server5.com, ns3.bf-server5.com...)

Analysis

IP Addresses

usjack.com points to a single IP number: 173.230.141.220.

Additional host names — peracingengines.com, swtexcavating.com, lasercheck.com and two others — share IP numbers with usjack.com.

Name Servers

usjack.com has four authoritative name servers: ns1.bf-server5.com, ns2.bf-server5.com, ns3.bf-server5.com and ns4.bf-server5.com.

There is at least partial name server overlap between usjack.com and other domains — bluefiredrones.com, pierperfection.com, customdesignusa.info and two more among them.

These name servers frequently co-occur with the name servers ns12.bf-server5.com and ns13.bf-server5.com.

Each of the three hostnames points to exactly one IP address: ns1.bf-server5.com points to 45.79.213.219, ns3.bf-server5.com points to 173.230.141.220 and ns4.bf-server5.com points to 45.79.197.63.

Mail Servers

usjack.com has one mail server: usjack.mail.protection.office365.us.

usjack.mail.protection.office365.us carries two IP numbers: 23.103.199.138 and 23.103.199.170.