justjack.com - robtex.com

justjack.com

DNSSEC⚠️ Not signed
A54.187.155.45🇺🇸 Amazon54.186.0.0/15 EC2 PDX prefix
PTRec2-54-187-155-45.us-west-2.compute.amazonaws.com
NSns1.nbcuni.com ⭐
A2001:502:f3ff::31🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar
PTRns1.nbcuni.com
A156.154.64.31🇺🇸 MAINT-ID-12008156.154.64.0/24 Neustar
PTRns1.nbcuni.com
NSns2.nbcuni.com
A2610:a1:1014::31🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar
PTRns2.nbcuni.com
A156.154.65.31🇺🇸 MAINT-ID-12008156.154.65.0/24 Neustar
PTRns2.nbcuni.com
NSns3.nbcuni.com
A2610:a1:1015::31🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar
PTRns3.nbcuni.com
A156.154.66.31🇺🇸 MAINT-ID-12008156.154.66.0/24 Neustar
PTRns3.nbcuni.com
NSns4.nbcuni.com
A2001:502:4612::31🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar
PTRns4.nbcuni.com
A156.154.67.31🇺🇸 MAINT-ID-12008156.154.67.0/24 Neustar
PTRns4.nbcuni.com
NSns5.nbcuni.com
A2610:a1:1016::31🇺🇸 MAINT-ID-120082610:a1:1016::/48 Neustar
PTRns5.nbcuni.com
A156.154.68.31🇺🇸 MAINT-ID-12008156.154.68.0/24 Neustar
PTRns5.nbcuni.com
NSns6.nbcuni.com
A2610:a1:1017::31🇺🇸 MAINT-ID-120082610:a1:1017::/48 Neustar
PTRns6.nbcuni.com
A156.154.69.31🇺🇸 MAINT-ID-12008156.154.69.0/24 Neustar
PTRns6.nbcuni.com
MXge.com.s5a1.psmtp.com ⭐
MXge.com.s5a2.psmtp.com ⭐
MXge.com.s5b1.psmtp.com ⭐
MXge.com.s5b2.psmtp.com ⭐
TXTinbound
SOAns1.nbcuni.comdomain\@admin.nbcuni.com 2015-12-08 #18

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=1776027247
WOT: UNKNOWN (62/100)

Same first word

justjack.online
justjack.com

DNS History

26 records (11 active, 15 former)

2008201020122014201620182020202220242026NSns1.nbcuni.comns2.nbcuni.comns3.nbcuni.comns4.nbcuni.comns5.nbcuni.comns6.nbcuni.comns.ge.comns1.ge.comns1.netbcp.comns2.ge.comns2.netbcp.netpdns1.ultradns.netpdns2.ultradns.netpdns3.ultradns.orgpdns4.ultradns.orgpdns5.ultradns.infopdns6.ultradns.co.ukMXge.com.s5a1.psmtp.comge.com.s5a2.psmtp.comge.com.s5b1.psmtp.comge.com.s5b2.psmtp.comext-ch1gw.online-age.netext-nj2ut.online-age.netA54.187.155.4554.187.155.21663.241.60.70
○NSns.ge.com2007-10-28 → 2016-07-20 · 6 obs
● 2007-10-28 11:22:02
● 2015-11-20 15:25:12
○ 2016-01-13 03:08:00
● 2016-07-20 20:03:26
○ 2026-04-09 02:05:14
○ 2026-04-12 21:08:26
○NSns1.ge.com2007-10-28 → 2016-07-20 · 4 obs
● 2007-10-28 11:22:02
● 2016-07-20 20:03:26
○ 2026-04-09 02:05:14
○ 2026-04-12 21:08:26
●NSns1.nbcuni.com2016-01-13 → 2026-04-12 · 3 obs
○ 2015-11-20 15:25:12
● 2016-01-13 03:08:00
● 2026-04-12 21:08:26
○NSns1.netbcp.com2007-10-28 → 2016-07-20 · 4 obs
● 2007-10-28 11:22:02
● 2016-07-20 20:03:26
○ 2026-04-09 02:05:14
○ 2026-04-12 21:08:26
○NSns2.ge.com2007-10-28 → 2016-07-20 · 4 obs
● 2007-10-28 11:22:02
● 2016-07-20 20:03:26
○ 2026-04-09 02:05:14
○ 2026-04-12 21:08:26
●NSns2.nbcuni.com2026-04-09 → 2026-04-12 · 3 obs
○ 2016-07-20 20:03:26
● 2026-04-09 02:05:14
● 2026-04-12 21:08:26
○NSns2.netbcp.net2007-10-28 → 2016-07-20 · 4 obs
● 2007-10-28 11:22:02
● 2016-07-20 20:03:26
○ 2026-04-09 02:05:14
○ 2026-04-12 21:08:26
●NSns3.nbcuni.com2026-04-09 → 2026-04-12 · 3 obs
○ 2016-07-20 20:03:26
● 2026-04-09 02:05:14
● 2026-04-12 21:08:26
●NSns4.nbcuni.com2026-04-09 → 2026-04-12 · 3 obs
○ 2016-07-20 20:03:26
● 2026-04-09 02:05:14
● 2026-04-12 21:08:26
●NSns5.nbcuni.com2026-04-09 → 2026-04-12 · 3 obs
○ 2016-07-20 20:03:26
● 2026-04-09 02:05:14
● 2026-04-12 21:08:26
●NSns6.nbcuni.com2026-04-09 → 2026-04-12 · 3 obs
○ 2016-07-20 20:03:26
● 2026-04-09 02:05:14
● 2026-04-12 21:08:26
○NSpdns1.ultradns.net2015-06-12 → 2016-07-20 · 5 obs
○ 2007-10-28 11:22:02
● 2015-06-12 03:46:10
● 2016-07-20 20:03:26
○ 2026-04-09 02:05:14
○ 2026-04-12 21:08:26
○NSpdns2.ultradns.net2015-06-12 → 2016-07-20 · 5 obs
○ 2007-10-28 11:22:02
● 2015-06-12 03:46:10
● 2016-07-20 20:03:26
○ 2026-04-09 02:05:14
○ 2026-04-12 21:08:26
○NSpdns3.ultradns.org2015-06-12 → 2016-07-20 · 5 obs
○ 2007-10-28 11:22:02
● 2015-06-12 03:46:10
● 2016-07-20 20:03:26
○ 2026-04-09 02:05:14
○ 2026-04-12 21:08:26
○NSpdns4.ultradns.org2015-06-12 → 2016-07-20 · 5 obs
○ 2007-10-28 11:22:02
● 2015-06-12 03:46:10
● 2016-07-20 20:03:26
○ 2026-04-09 02:05:14
○ 2026-04-12 21:08:26
○NSpdns5.ultradns.info2015-06-12 → 2016-07-20 · 5 obs
○ 2007-10-28 11:22:02
● 2015-06-12 03:46:10
● 2016-07-20 20:03:26
○ 2026-04-09 02:05:14
○ 2026-04-12 21:08:26
○NSpdns6.ultradns.co.uk2015-06-12 → 2016-07-20 · 5 obs
○ 2007-10-28 11:22:02
● 2015-06-12 03:46:10
● 2016-07-20 20:03:26
○ 2026-04-09 02:05:14
○ 2026-04-12 21:08:26
○MXext-ch1gw.online-age.net2007-10-28 → 2007-10-28 · 3 obs
● 2007-10-28 11:22:02
○ 2015-06-12 03:46:10
○ 2026-04-12 21:08:26
○MXext-nj2ut.online-age.net2007-10-28 → 2007-10-28 · 3 obs
● 2007-10-28 11:22:02
○ 2015-06-12 03:46:10
○ 2026-04-12 21:08:26
●MXge.com.s5a1.psmtp.com2015-06-12 → 2026-04-12 · 3 obs
○ 2007-10-28 11:22:02
● 2015-06-12 03:46:10
● 2026-04-12 21:08:26
●MXge.com.s5a2.psmtp.com2015-06-12 → 2026-04-12 · 3 obs
○ 2007-10-28 11:22:02
● 2015-06-12 03:46:10
● 2026-04-12 21:08:26
●MXge.com.s5b1.psmtp.com2015-06-12 → 2026-04-12 · 3 obs
○ 2007-10-28 11:22:02
● 2015-06-12 03:46:10
● 2026-04-12 21:08:26
●MXge.com.s5b2.psmtp.com2015-06-12 → 2026-04-12 · 3 obs
○ 2007-10-28 11:22:02
● 2015-06-12 03:46:10
● 2026-04-12 21:08:26
○A54.187.155.2162015-06-12 → 2016-07-20 · 5 obs
○ 2007-10-28 11:22:02
● 2015-06-12 03:46:10
● 2016-07-20 20:03:26
○ 2026-04-09 02:05:14
○ 2026-04-12 21:08:26
●A54.187.155.452015-06-12 → 2026-04-12 · 3 obs
○ 2007-10-28 11:22:02
● 2015-06-12 03:46:10
● 2026-04-12 21:08:26
○A63.241.60.702007-10-28 → 2007-10-28 · 3 obs
● 2007-10-28 11:22:02
○ 2015-06-12 03:46:10
○ 2026-04-12 21:08:26

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
justjack.comns1.nbcuni.com, ns2.nbcuni.com, ns3.nbcuni.com, ns4.nbcuni.com...6 records

✅ Authoritative Response

Server:156.154.64.31

NS records: ns1.nbcuni.com, ns2.nbcuni.com, ns3.nbcuni.com, ns4.nbcuni.com, ns5.nbcuni.com, ns6.nbcuni.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for justjack.com (unsigned zone)

⏱️ Timing

Total: 353ms | Queries: -

📄 Records

TypeCountSample Data
A154.187.155.45
NS6ns1.nbcuni.com, ns2.nbcuni.com...
MX4ge.com.s5a1.psmtp.com (pri: 20), ge.com.s5a2.psmtp.com (pri: 20)...
TXT1inbound
SOA1ns1.nbcuni.com domain\.admin.nbcuni.com

📌 Glue Records Collected

Total: 6

Out-of-bailiwick: 6 (ns1.nbcuni.com, ns2.nbcuni.com, ns3.nbcuni.com...)

Analysis

IP Addresses

justjack.com points to a single IP: 54.187.155.45.

Other host names, for instance dotcomedy.com, nationaltattoostoryday.com, jimpire.com, universalmediastudios.com and jdlutz.com share IP numbers with justjack.com.

Name Servers

justjack.com is delegated to six name servers: ns1.nbcuni.com, ns2.nbcuni.com, ns3.nbcuni.com, ns4.nbcuni.com, ns5.nbcuni.com and ns6.nbcuni.com.

justjack.com partially shares name servers with other domains; examples include hankmed.org, fastandfurious.nl, cookierobots.com, nbcozone.com and neverrarelysometimesalways-lefilm.com.

Host names with two IP numbers:

ns1.nbcuni.com points to: 2001:502:f3ff::31 and 156.154.64.31.

ns2.nbcuni.com points to: 2610:a1:1014::31 and 156.154.65.31.

ns3.nbcuni.com points to: 2610:a1:1015::31 and 156.154.66.31.

ns4.nbcuni.com points to: 2001:502:4612::31 and 156.154.67.31.

ns5.nbcuni.com points to: 2610:a1:1016::31 and 156.154.68.31.

ns6.nbcuni.com points to: 2610:a1:1017::31 and 156.154.69.31.

Mail Servers

justjack.com is handled by four mail servers: ge.com.s5a1.psmtp.com, ge.com.s5a2.psmtp.com, ge.com.s5b1.psmtp.com and ge.com.s5b2.psmtp.com.

justjack.com shares some mail servers with other domains, at least partially, such as imap.gep.ge.com, ip157.nbc.com, fvejxyjijchqxy.health.ge.com, dealmerss.com and ftp.nbc.com.