mathbuilders.com - robtex.com

mathbuilders.com

DNSSEC⚠️ Not signed
A199.36.158.100🇺🇸 Fastly199.36.158.0/24 Google
NSns13.domaincontrol.com ⭐
A2603:5:21a0::7🇺🇸 GODADDY-DNS2603:5:21a0::/44
PTRns13.domaincontrol.com
A97.74.106.7🇺🇸 GODADDY-DNS97.74.106.0/23
PTRns13.domaincontrol.com
NSns14.domaincontrol.com
A2603:5:22a0::7🇺🇸 GODADDY-DNS2603:5:22a0::/44
PTRns14.domaincontrol.com
A173.201.74.7🇺🇸 GODADDY-DNS173.201.74.0/23
PTRns14.domaincontrol.com
MXaspmx.l.google.com ⭐
A2607:f8b0:4023:c06::1b🇺🇸 Google2607:f8b0::/32
PTRdz-in-f27.1e100.net
A142.250.101.26🇺🇸 Google142.250.101.0/24
PTRdz-in-f26.1e100.net
MXalt1.aspmx.l.google.com(5)
A2607:f8b0:4023:3003::1a🇺🇸 Google2607:f8b0::/32
PTRyulnkjt-in-f26.1e100.net
A172.253.145.26🇺🇸 Google172.253.145.0/24
PTRyulnkjt-in-f26.1e100.net
MXalt2.aspmx.l.google.com(5)
A2607:f8b0:4023:1015::1a🇺🇸 Google2607:f8b0::/32
PTRyudfwta-in-f26.1e100.net
A172.253.135.26🇺🇸 Google172.253.135.0/24
PTRyudfwta-in-f26.1e100.net
MXalt3.aspmx.l.google.com(10)
A2607:f8b0:4001:c70::1b🇺🇸 Google2607:f8b0:4001::/48
PTRyucbful-in-f27.1e100.net
A192.178.209.27🇺🇸 Google192.178.209.0/24
PTRyucbful-in-f27.1e100.net
MXalt4.aspmx.l.google.com(10)
A2a00:1450:400c:c00::1b🇧🇪 Google2a00:1450:400c::/48
PTRws-in-f27.1e100.net
PTRws-in-x1b.1e100.net
A173.194.76.26🇺🇸 Google173.194.76.0/24
PTRws-in-f26.1e100.net
TXThosting-site=mathbuildersapp
TXTgoogle-site-verification=y8P0klzZ07pkrKbLhONprg_1l5nBUTkTNvOBdkt-mY8
TXTv=spf1 include:dc-aa8e722993._spfm.mathbuilders.com ~all
SOAns13.domaincontrol.comdns@jomax.net 2026-04-22 #0

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=1778616231
WOT: SAFE (68/100)

Same first word

mathbuilders.com

Similar names

mathsbuilder.com.au

DNS History

19 records (8 active, 11 former)

20162017201820192020202120222023202420252026NSns13.domaincontrol.comns14.domaincontrol.comns1.above.comns2.above.comns3.afternic.comns4.afternic.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.commail.post-host.netmx92.m1bp.commx92.mb5p.comA199.36.158.100103.224.182.21634.206.12.23435.169.58.18854.208.77.124
○NSns1.above.com2015-06-08 → 2017-03-22 · 4 obs
● 2015-06-08 23:46:00
● 2017-03-22 10:19:12
○ 2020-04-12 00:02:02
○ 2026-05-12 20:27:26
●NSns13.domaincontrol.com2026-05-06 → 2026-05-12 · 3 obs
○ 2020-04-12 00:02:02
● 2026-05-06 05:13:02
● 2026-05-12 20:27:26
●NSns14.domaincontrol.com2026-05-06 → 2026-05-12 · 3 obs
○ 2020-04-12 00:02:02
● 2026-05-06 05:13:02
● 2026-05-12 20:27:26
○NSns2.above.com2015-06-08 → 2017-03-22 · 4 obs
● 2015-06-08 23:46:00
● 2017-03-22 10:19:12
○ 2020-04-12 00:02:02
○ 2026-05-12 20:27:26
○NSns3.afternic.com2020-04-12 → 2020-04-12 · 4 obs
○ 2017-03-22 10:19:12
● 2020-04-12 00:02:02
○ 2026-05-06 05:13:02
○ 2026-05-12 20:27:26
○NSns4.afternic.com2020-04-12 → 2020-04-12 · 4 obs
○ 2017-03-22 10:19:12
● 2020-04-12 00:02:02
○ 2026-05-06 05:13:02
○ 2026-05-12 20:27:26
●MXalt1.aspmx.l.google.com2026-05-06 → 2026-05-12 · 3 obs
○ 2020-04-12 00:02:02
● 2026-05-06 05:13:02
● 2026-05-12 20:27:26
●MXalt2.aspmx.l.google.com2026-05-06 → 2026-05-12 · 3 obs
○ 2020-04-12 00:02:02
● 2026-05-06 05:13:02
● 2026-05-12 20:27:26
●MXalt3.aspmx.l.google.com2026-05-06 → 2026-05-12 · 3 obs
○ 2020-04-12 00:02:02
● 2026-05-06 05:13:02
● 2026-05-12 20:27:26
●MXalt4.aspmx.l.google.com2026-05-06 → 2026-05-12 · 3 obs
○ 2020-04-12 00:02:02
● 2026-05-06 05:13:02
● 2026-05-12 20:27:26
●MXaspmx.l.google.com2026-05-06 → 2026-05-12 · 3 obs
○ 2020-04-12 00:02:02
● 2026-05-06 05:13:02
● 2026-05-12 20:27:26
○MXmail.post-host.net2015-06-08 → 2016-04-16 · 4 obs
● 2015-06-08 23:46:00
● 2016-04-16 23:58:28
○ 2017-03-22 10:19:12
○ 2026-05-12 20:27:26
○MXmx92.m1bp.com2017-03-22 → 2017-03-22 · 4 obs
○ 2016-04-16 23:58:28
● 2017-03-22 10:19:12
○ 2020-04-12 00:02:02
○ 2026-05-12 20:27:26
○MXmx92.mb5p.com2017-03-22 → 2017-03-22 · 4 obs
○ 2016-04-16 23:58:28
● 2017-03-22 10:19:12
○ 2020-04-12 00:02:02
○ 2026-05-12 20:27:26
○A103.224.182.2162015-06-08 → 2017-03-22 · 4 obs
● 2015-06-08 23:46:00
● 2017-03-22 10:19:12
○ 2020-04-12 00:02:02
○ 2026-05-12 20:27:26
●A199.36.158.1002026-05-06 → 2026-05-12 · 3 obs
○ 2020-04-12 00:02:02
● 2026-05-06 05:13:02
● 2026-05-12 20:27:26
○A34.206.12.2342020-04-12 → 2020-04-12 · 4 obs
○ 2017-03-22 10:19:12
● 2020-04-12 00:02:02
○ 2026-05-06 05:13:02
○ 2026-05-12 20:27:26
○A35.169.58.1882020-04-12 → 2020-04-12 · 4 obs
○ 2017-03-22 10:19:12
● 2020-04-12 00:02:02
○ 2026-05-06 05:13:02
○ 2026-05-12 20:27:26
○A54.208.77.1242020-04-12 → 2020-04-12 · 4 obs
○ 2017-03-22 10:19:12
● 2020-04-12 00:02:02
○ 2026-05-06 05:13:02
○ 2026-05-12 20:27:26

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comg.gtld-servers.net, f.gtld-servers.net, i.gtld-servers.net, d.gtld-servers.net...-
mathbuilders.comns13.domaincontrol.com, ns14.domaincontrol.com4 records

✅ Authoritative Response

Server:173.201.74.7

NS records: ns13.domaincontrol.com, ns14.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathbuilders.com (unsigned zone)

⏱️ Timing

Total: 1098ms | Queries: -

📄 Records

TypeCountSample Data
A1199.36.158.100
NS2ns13.domaincontrol.com, ns14.domaincontrol.com
MX5aspmx.l.google.com (pri: 1), alt1.aspmx.l.google.com (pri: 5)...
TXT3hosting-site=mathbuildersapp, google-site-verification=y8P0klzZ07pkrKb...
SOA1ns13.domaincontrol.com dns.jomax.net

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns13.domaincontrol.com, ns13.domaincontrol.com, ns14.domaincontrol.com...)

Analysis

IP Addresses

mathbuilders.com maps to IP address 199.36.158.100.

Other host names, for instance oreoberbagiseru.com, pontosolutions.com, instant-agenda-prod.firebaseapp.com, fbmid-j2er4t9.firebaseapp.com and mttbbmobileehelpp.firebaseapp.com share IP numbers with mathbuilders.com.

Name Servers

Two name servers ns13.domaincontrol.com and ns14.domaincontrol.com are delegated to mathbuilders.com.

mathbuilders.com uses the same name server configuration as other domains, such as gothlick.com, site-ar.com, shortshakes.org, defrancescoracing.com and cateacherssummit.com.

mathbuilders.com shares some name servers with other domains, for example sunecotechventures.com.

Host names with two IPs:

ns13.domaincontrol.com points to 2603:5:21a0::7 and 97.74.106.7.

ns14.domaincontrol.com points to 2603:5:22a0::7 and 173.201.74.7.

Mail Servers

mathbuilders.com is handled by five mail servers: 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.

mathbuilders.com shares mail servers with other domains at least in part, for instance spinnark.no, ns500841.ns500794.ns500794.ns500794.ns500821.ns500795.ns500794.ns500821.ns500794.ns500821.ns500821.ns500821.ns500790.lustypartnersfinder.com, hatchinc.com, algovalue.com and idac.edu.ar.

These mail servers are often used together with aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.

Two IPs per host name:

aspmx.l.google.com points to: 2607:f8b0:4023:c06::1b and 142.250.101.26

alt1.aspmx.l.google.com points to: 2607:f8b0:4023:3003::1a and 172.253.145.26

alt2.aspmx.l.google.com points to: 2607:f8b0:4023:1015::1a and 172.253.135.26

alt3.aspmx.l.google.com points to: 2607:f8b0:4001:c70::1b and 192.178.209.27

alt4.aspmx.l.google.com points to: 2a00:1450:400c:c00::1b and 173.194.76.26

Pattern: left IDs ascend by 9 (12, 21, 30, 39, 48); each pair of targets ascend by 9 (15/18, 24/27, 33/36, 42/45, 51/54)