fractioncalculator.com - robtex.com

fractioncalculator.com

DNSSEC⚠️ Not signed
A170.249.236.53🇺🇸 PRIVATESYSTEMS170.249.236.0/22
PTRcp26-ga.privatesystems.net
NScp1.privatesystems.net ⭐
A2600:4c00:80:11::1🇺🇸 PRIVATESYSTEMS2600:4c00:80::/41
A158.106.136.90🇺🇸 PRIVATESYSTEMS158.106.136.0/21 PrivateSystems Networks TX
PTRcp1.privatesystems.net
NScp2.privatesystems.net
A2600:4c00:509:731::1🇺🇸 PRIVATESYSTEMS2600:4c00:500::/40 IPv6 subnet at SEF003
A108.160.157.7🇺🇸 PRIVATESYSTEMS108.160.156.0/22 PrivateSystems Networks WA
NScp3.privatesystems.net
A2600:4c00:80:9::1🇺🇸 PRIVATESYSTEMS2600:4c00:80::/41
A158.106.136.36🇺🇸 PRIVATESYSTEMS158.106.136.0/21 PrivateSystems Networks TX
NScp4.privatesystems.net ⚠️ Not in parent delegation
A2600:4c00:80:11::1🇺🇸 PRIVATESYSTEMS2600:4c00:80::/41
A158.106.136.90🇺🇸 PRIVATESYSTEMS158.106.136.0/21 PrivateSystems Networks TX
PTRcp1.privatesystems.net
MXfractioncalculator.com ⭐
A170.249.236.53🇺🇸 PRIVATESYSTEMS170.249.236.0/22
PTRcp26-ga.privatesystems.net
TXTv=spf1 ip4:170.249.236.53 +ip4:170.249.237.17 +a +mx +ip4:199.167.202.11 ~all
SOAcp1.privatesystems.netnoc@privatesystems.net 2026-02-21 #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=1771291435

MX for

fractioncalculator.com

Same first word

fractioncalculator.co
fractioncalculator.net
fractioncalculator.pro
fractioncalculator.com

DNS History

13 records (6 active, 7 former)

20162017201820192020202120222023202420252026NScp1.privatesystems.netcp2.privatesystems.netcp3.privatesystems.netcp4.privatesystems.netns1.namefind.comns41.rookdns.comns42.rookdns.comMXfractioncalculator.commail.mxproc.commail.replyingback.comA170.249.236.53141.8.224.183208.73.211.70
●NScp1.privatesystems.net2026-02-16 → 2026-02-26 · 3 obs
○ 2017-04-04 10:49:12
● 2026-02-16 14:35:38
● 2026-02-26 19:39:28
●NScp2.privatesystems.net2026-02-16 → 2026-02-26 · 3 obs
○ 2017-04-04 10:49:12
● 2026-02-16 14:35:38
● 2026-02-26 19:39:28
●NScp3.privatesystems.net2026-02-16 → 2026-02-26 · 3 obs
○ 2017-04-04 10:49:12
● 2026-02-16 14:35:38
● 2026-02-26 19:39:28
●NScp4.privatesystems.net2026-02-16 → 2026-02-26 · 3 obs
○ 2017-04-04 10:49:12
● 2026-02-16 14:35:38
● 2026-02-26 19:39:28
○NSns1.namefind.com2017-04-04 → 2017-04-04 · 4 obs
○ 2016-07-11 04:04:56
● 2017-04-04 10:49:12
○ 2026-02-16 14:35:38
○ 2026-02-26 19:39:28
○NSns41.rookdns.com2015-05-23 → 2016-07-11 · 4 obs
● 2015-05-23 04:17:20
● 2016-07-11 04:04:56
○ 2017-04-04 10:49:12
○ 2026-02-26 19:39:28
○NSns42.rookdns.com2015-05-23 → 2016-07-11 · 4 obs
● 2015-05-23 04:17:20
● 2016-07-11 04:04:56
○ 2017-04-04 10:49:12
○ 2026-02-26 19:39:28
●MXfractioncalculator.com2026-02-16 → 2026-02-26 · 3 obs
○ 2017-04-04 10:49:12
● 2026-02-16 14:35:38
● 2026-02-26 19:39:28
○MXmail.mxproc.com2015-05-23 → 2016-03-12 · 4 obs
● 2015-05-23 04:17:20
● 2016-03-12 21:46:00
○ 2016-07-11 04:04:56
○ 2026-02-26 19:39:28
○MXmail.replyingback.com2016-07-11 → 2016-07-11 · 4 obs
○ 2016-03-12 21:46:00
● 2016-07-11 04:04:56
○ 2017-04-04 10:49:12
○ 2026-02-26 19:39:28
○A141.8.224.1832015-05-23 → 2016-07-11 · 4 obs
● 2015-05-23 04:17:20
● 2016-07-11 04:04:56
○ 2017-04-04 10:49:12
○ 2026-02-26 19:39:28
●A170.249.236.532026-02-16 → 2026-02-26 · 3 obs
○ 2017-04-04 10:49:12
● 2026-02-16 14:35:38
● 2026-02-26 19:39:28
○A208.73.211.702017-04-04 → 2017-04-04 · 4 obs
○ 2016-07-11 04:04:56
● 2017-04-04 10:49:12
○ 2026-02-16 14:35:38
○ 2026-02-26 19:39:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
fractioncalculator.comcp1.privatesystems.net, cp2.privatesystems.net, cp3.privatesystems.net-

✅ Authoritative Response

Server: 158.106.136.90

NS records: cp1.privatesystems.net, cp2.privatesystems.net, cp3.privatesystems.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fractioncalculator.com (unsigned zone)

⏱️ Timing

Total: 609ms | Queries: -

📄 Records

TypeCountSample Data
A1170.249.236.53
NS4cp2.privatesystems.net, cp4.privatesystems.net...
MX1fractioncalculator.com (pri: 0)
TXT1v=spf1 ip4:170.249.236.53 +ip4:170.249.2
SOA1cp1.privatesystems.net noc.privatesystem

AI analysis

The mail server for fractioncalculator.com is fractioncalculator.com.

fractioncalculator.com points to a single IP address: 170.249.236.53.

Other host names such as ns1.sitosense.com, mail.unrivaledinteriors.com, lewiscowan.com, todoenfijacion.com.mx and mail.aldeahost.com share IPs with fractioncalculator.com.

fractioncalculator.com is delegated to four name servers: cp1.privatesystems.net, cp2.privatesystems.net, cp3.privatesystems.net and cp4.privatesystems.net.

fractioncalculator.com at least partially shares name servers with other domains, for example meredith-powers.com, bor3dgaming.com, brianroizen.com, ballardlaw.email and foltape.com.

cp1.privatesystems.net points to 2600:4c00:80:11::1 and 158.106.136.90.

cp2.privatesystems.net points to 2600:4c00:509:731::1 and 108.160.157.7.

cp3.privatesystems.net points to 2600:4c00:80:9::1 and 158.106.136.36.

cp4.privatesystems.net points to 2600:4c00:80:11::1 and 158.106.136.90.

Names pointing to 2600:4c00:80:11::1: cp1.privatesystems.net and cp4.privatesystems.net.

Names pointing to 158.106.136.90: cp1.privatesystems.net and cp4.privatesystems.net.

One mail server handles fractioncalculator.com; that server is fractioncalculator.com.

fractioncalculator.com points to a single IP number: 170.249.236.53.