jcobb.org - robtex.com

jcobb.org

DNSSEC⚠️ Not signed
A45.33.75.73🇺🇸 AKAMAI-LINODE-AP45.33.64.0/19 Akamai Technologies
PTR45-33-75-73.ip.linodeusercontent.com
NSns1.hover.com ⭐
A2604:4000:0:d:216:40:47:26🇨🇦 TUCOWS2604:4000::/48 -BRA-IPV6-BLK1.1/NET-2604:4000
PTRns1.hover.com
A216.40.47.26🇨🇦 TUCOWS216.40.47.0/24 -BRA-BLK1.4/NET-216-40-47-0
PTRns1.hover.com
NSns2.hover.com
A2604:4000:2800:d:64:99:148:13🇨🇦 TUCOWS-32604:4000:2800::/37 Tucows.com Co.
PTRns2.hover.com
A64.98.148.13🇨🇦 TUCOWS-364.98.144.0/20 Tucows.com Co.
PTRns2.hover.com
MXaspmx.l.google.com ⭐
A2607:f8b0:4023:c0b::1a🇺🇸 Google2607:f8b0::/32
PTRdd-in-f26.1e100.net
A142.250.141.26🇺🇸 Google142.250.141.0/24
PTRdd-in-f26.1e100.net
MXalt1.aspmx.l.google.com(5)
A2a00:1450:4025:402::1b🇳🇱 Google2a00:1450:4025::/48
PTRrb-in-f27.1e100.net
A142.250.102.26🇺🇸 Google142.250.102.0/24
PTRrb-in-f26.1e100.net
MXalt2.aspmx.l.google.com(5)
A2a00:1450:400b:c02::1b🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f27.1e100.net
A172.253.116.27🇺🇸 Google172.253.116.0/24
PTRdj-in-f27.1e100.net
MXalt3.aspmx.l.google.com(10)
A2607:f8b0:4023:3003::1b🇺🇸 Google2607:f8b0::/32
PTRyulnkjt-in-f27.1e100.net
A172.253.145.26🇺🇸 Google172.253.145.0/24
PTRyulnkjt-in-f26.1e100.net
MXalt4.aspmx.l.google.com(10)
A2607:f8b0:4003:c4a::1a🇺🇸 Google2607:f8b0:4003::/48
PTRyutulth-in-f26.1e100.net
A142.251.96.27🇺🇸 Google142.250.0.0/15
PTRyutulth-in-f27.1e100.net
TXTgoogle-site-verification=kFW4hevlKGXVsN9SDHsRhu9rqPuk_jC0NtXXgzOhnCY
TXTv=spf1 include:_spf.google.com ~all
SOAns1.hover.comdnsmaster@hover.com serial=1761240291

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1776081400

Subdomains

www.jcobb.org

Same first word

jcobb.org
jcobb.net

Similar names

bcjob.ca
bbjco.top
bocbj.com

DNS History

17 records (8 active, 9 former)

20162017201820192020202120222023202420252026NSns1.hover.comns2.hover.comns1.dreamhost.comns2.dreamhost.comns3.dreamhost.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comaspmx4.googlemail.comaspmx5.googlemail.comA45.33.75.73173.236.182.342607:f298:5:100f::320:ddaf
○NSns1.dreamhost.com2015-06-07 → 2017-11-11 · 3 obs
● 2015-06-07 06:46:48
● 2017-11-11 21:38:02
○ 2026-04-13 12:26:08
●NSns1.hover.com2026-04-13 → 2026-04-13 · 2 obs
○ 2017-11-11 21:38:02
● 2026-04-13 12:26:08
○NSns2.dreamhost.com2015-06-07 → 2017-11-11 · 3 obs
● 2015-06-07 06:46:48
● 2017-11-11 21:38:02
○ 2026-04-13 12:26:08
●NSns2.hover.com2026-04-13 → 2026-04-13 · 2 obs
○ 2017-11-11 21:38:02
● 2026-04-13 12:26:08
○NSns3.dreamhost.com2015-06-07 → 2017-11-11 · 3 obs
● 2015-06-07 06:46:48
● 2017-11-11 21:38:02
○ 2026-04-13 12:26:08
●MXalt1.aspmx.l.google.com2015-06-07 → 2026-04-13 · 2 obs
● 2015-06-07 06:46:48
● 2026-04-13 12:26:08
●MXalt2.aspmx.l.google.com2015-06-07 → 2026-04-13 · 2 obs
● 2015-06-07 06:46:48
● 2026-04-13 12:26:08
●MXalt3.aspmx.l.google.com2026-04-13 → 2026-04-13 · 2 obs
○ 2017-11-11 21:38:02
● 2026-04-13 12:26:08
●MXalt4.aspmx.l.google.com2026-04-13 → 2026-04-13 · 2 obs
○ 2017-11-11 21:38:02
● 2026-04-13 12:26:08
●MXaspmx.l.google.com2015-06-07 → 2026-04-13 · 2 obs
● 2015-06-07 06:46:48
● 2026-04-13 12:26:08
○MXaspmx2.googlemail.com2015-06-07 → 2017-11-11 · 3 obs
● 2015-06-07 06:46:48
● 2017-11-11 21:38:02
○ 2026-04-13 12:26:08
○MXaspmx3.googlemail.com2015-06-07 → 2017-11-11 · 3 obs
● 2015-06-07 06:46:48
● 2017-11-11 21:38:02
○ 2026-04-13 12:26:08
○MXaspmx4.googlemail.com2015-06-07 → 2017-11-11 · 3 obs
● 2015-06-07 06:46:48
● 2017-11-11 21:38:02
○ 2026-04-13 12:26:08
○MXaspmx5.googlemail.com2015-06-07 → 2017-11-11 · 3 obs
● 2015-06-07 06:46:48
● 2017-11-11 21:38:02
○ 2026-04-13 12:26:08
○A173.236.182.342015-06-07 → 2017-11-11 · 3 obs
● 2015-06-07 06:46:48
● 2017-11-11 21:38:02
○ 2026-04-13 12:26:08
○A2607:f298:5:100f::320:ddaf2016-11-27 → 2017-11-11 · 4 obs
○ 2015-06-07 06:46:48
● 2016-11-27 12:02:54
● 2017-11-11 21:38:02
○ 2026-04-13 12:26:08
●A45.33.75.732026-04-13 → 2026-04-13 · 2 obs
○ 2017-11-11 21:38:02
● 2026-04-13 12:26:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
jcobb.orgns1.hover.com, ns2.hover.com-

✅ Authoritative Response

Server:64.98.148.13

NS records: ns1.hover.com, ns2.hover.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jcobb.org (unsigned zone)

⏱️ Timing

Total: 594ms | Queries: -

📄 Records

TypeCountSample Data
A145.33.75.73
NS2ns2.hover.com, ns1.hover.com
MX5aspmx.l.google.com (pri: 1), alt2.aspmx.l.google.com (pri: 5)...
TXT2google-site-verification=kFW4hevlKGXVsN9, v=spf1 include:_spf.google.com ~all
SOA1ns1.hover.com dnsmaster.hover.com

Analysis

Hierarchy

The parent of www.jcobb.org is jcobb.org.

IP Addresses

jcobb.org points to a single IP: 45.33.75.73.

Other host names, for example 45-33-75-73.ip.linodeusercontent.com, valueofferclub.com, valueseeker.info and www.jcobb.org share IP numbers with jcobb.org.

Name Servers

Two name servers ns1.hover.com and ns2.hover.com handle delegation for jcobb.org.

jcobb.org uses the same name server setup as other domains, for example conquestbr.org, aracnet.com, gadjones.com, buildandco.com and rezniks.net.

jcobb.org partially shares name servers with other domains; examples include abacuss.com, caribbeanchamber.com, pocketjoshua.com, alastc.com and msmith.net.

these name servers are commonly used with the name servers ns3.hover.com.

Host names with two IP numbers:

ns1.hover.com points to: 2604:4000:0:d:216:40:47:26 and 216.40.47.26

ns2.hover.com points to: 2604:4000:2800:d:64:99:148:13 and 64.98.148.13

Mail Servers

Five mail servers handle jcobb.org: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

jcobb.org shares some mail servers with other domains, at least partially, such as ns500768.ns500759.ns500698.ns500758.ns500759.ns500758.ns500735.ns500698.ns500735.ns500736.ns500698.ns500698.ns500576.ns500698.ns500686.ns500576.ns500576.trackreceptor.com, ns500698.ns500698.ns500698.ns500698.ns500698.ns500736.ns500698.ns500736.ns500735.ns500619.ns500619.ns500576.trackreceptor.com, vgs.tw, ns500698.ns500759.ns500758.ns500735.ns500736.ns500735.ns500708.ns500619.ns500686.ns500576.ns500652.ns500576.trackreceptor.com and ns500759.ns500698.ns500758.ns500736.ns500736.ns500698.ns500736.ns500698.ns500735.ns500708.ns500576.ns500698.ns500698.ns500686.ns500576.ns500576.trackreceptor.com.

these mail servers are often used alongside aspmx2.googlemail.com, aspmx3.googlemail.com and aspmx4.googlemail.com.

Host names with two IP numbers:

aspmx.l.google.com points to: 2607:f8b0:4023:c0b::1a and 142.250.141.26

alt1.aspmx.l.google.com points to: 2a00:1450:4025:402::1b and 142.250.102.26

alt2.aspmx.l.google.com points to: 2a00:1450:400b:c02::1b and 172.253.116.27

alt3.aspmx.l.google.com points to: 2607:f8b0:4023:3003::1b and 172.253.145.26

alt4.aspmx.l.google.com points to: 2607:f8b0:4003:c4a::1a and 142.251.96.27