rfbookcpas.com - robtex.com

rfbookcpas.com

DNSSEC⚠️ Not signed
A20.119.144.13🇺🇸 Microsoft20.64.0.0/10
NSns39.domaincontrol.com ⭐
A2603:5:21d1::14🇺🇸 GODADDY-DNS2603:5:21d0::/44
PTRns39.domaincontrol.com
A97.74.109.20🇺🇸 GODADDY-DNS97.74.108.0/23
PTRns39.domaincontrol.com
NSns40.domaincontrol.com
A2603:5:22d1::14🇺🇸 GODADDY-DNS2603:5:22d0::/44
PTRns40.domaincontrol.com
A173.201.77.20🇺🇸 GODADDY-DNS173.201.76.0/23
PTRns40.domaincontrol.com
MXmxa-00a71b01.gslb.pphosted.com ⭐
A208.56.12.42🇺🇸 Proofpoint208.56.12.0/24 Meta Networks' Anycast/Unicast Network
PTRmx0b-00a71b01.pphosted.com
MXmxb-00a71b01.gslb.pphosted.com ⭐
A208.56.12.42🇺🇸 Proofpoint208.56.12.0/24 Meta Networks' Anycast/Unicast Network
PTRmx0b-00a71b01.pphosted.com
TXTMS=ms41240638
TXTv=spf1 include:spf.protection.outlook.com -all
SOAns39.domaincontrol.comdns@jomax.net 2026-01-12 #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=1775984962

Same first word

rfbookcpas.com

DNS History

13 records (5 active, 8 former)

20162017201820192020202120222023202420252026NSns39.domaincontrol.comns40.domaincontrol.comns1.linode.comns2.linode.comns3.linode.comns4.linode.comns5.linode.comMXmxa-00a71b01.gslb.pphosted.commxb-00a71b01.gslb.pphosted.commailcsi1.westgroup.commailcsi2.westgroup.comA20.119.144.1350.116.61.89
○NSns1.linode.com2015-08-22 → 2018-07-19 · 4 obs
● 2015-08-22 02:22:28
● 2018-07-19 12:42:54
○ 2026-03-21 16:06:10
○ 2026-04-12 09:28:14
○NSns2.linode.com2015-08-22 → 2018-07-19 · 4 obs
● 2015-08-22 02:22:28
● 2018-07-19 12:42:54
○ 2026-03-21 16:06:10
○ 2026-04-12 09:28:14
○NSns3.linode.com2015-08-22 → 2018-07-19 · 4 obs
● 2015-08-22 02:22:28
● 2018-07-19 12:42:54
○ 2026-03-21 16:06:10
○ 2026-04-12 09:28:14
●NSns39.domaincontrol.com2026-03-21 → 2026-04-12 · 3 obs
○ 2018-07-19 12:42:54
● 2026-03-21 16:06:10
● 2026-04-12 09:28:14
○NSns4.linode.com2015-08-22 → 2018-07-19 · 4 obs
● 2015-08-22 02:22:28
● 2018-07-19 12:42:54
○ 2026-03-21 16:06:10
○ 2026-04-12 09:28:14
●NSns40.domaincontrol.com2026-03-21 → 2026-04-12 · 3 obs
○ 2018-07-19 12:42:54
● 2026-03-21 16:06:10
● 2026-04-12 09:28:14
○NSns5.linode.com2015-08-22 → 2018-07-19 · 4 obs
● 2015-08-22 02:22:28
● 2018-07-19 12:42:54
○ 2026-03-21 16:06:10
○ 2026-04-12 09:28:14
○MXmailcsi1.westgroup.com2015-08-22 → 2018-07-19 · 4 obs
● 2015-08-22 02:22:28
● 2018-07-19 12:42:54
○ 2026-03-21 16:06:10
○ 2026-04-12 09:28:14
○MXmailcsi2.westgroup.com2015-08-22 → 2018-07-19 · 4 obs
● 2015-08-22 02:22:28
● 2018-07-19 12:42:54
○ 2026-03-21 16:06:10
○ 2026-04-12 09:28:14
●MXmxa-00a71b01.gslb.pphosted.com2026-03-21 → 2026-04-12 · 3 obs
○ 2018-07-19 12:42:54
● 2026-03-21 16:06:10
● 2026-04-12 09:28:14
●MXmxb-00a71b01.gslb.pphosted.com2026-03-21 → 2026-04-12 · 3 obs
○ 2018-07-19 12:42:54
● 2026-03-21 16:06:10
● 2026-04-12 09:28:14
●A20.119.144.132026-03-21 → 2026-04-12 · 3 obs
○ 2018-07-19 12:42:54
● 2026-03-21 16:06:10
● 2026-04-12 09:28:14
○A50.116.61.892015-08-22 → 2018-07-19 · 4 obs
● 2015-08-22 02:22:28
● 2018-07-19 12:42:54
○ 2026-03-21 16:06:10
○ 2026-04-12 09:28:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comd.gtld-servers.net, b.gtld-servers.net, m.gtld-servers.net, f.gtld-servers.net...-
rfbookcpas.comns39.domaincontrol.com, ns40.domaincontrol.com4 records

✅ Authoritative Response

Server:173.201.77.20

NS records: ns39.domaincontrol.com, ns40.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rfbookcpas.com (unsigned zone)

⏱️ Timing

Total: 135ms | Queries: -

📄 Records

TypeCountSample Data
A120.119.144.13
NS2ns39.domaincontrol.com, ns40.domaincontrol.com
MX2mxb-00a71b01.gslb.pphosted.com (pri: 0), mxa-00a71b01.gslb.pphosted.com (pri: 0)
TXT2MS=ms41240638, v=spf1 include:spf.protection.outlook.co
SOA1ns39.domaincontrol.com dns.jomax.net

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns39.domaincontrol.com, ns39.domaincontrol.com, ns40.domaincontrol.com...)

Analysis

IP Addresses

rfbookcpas.com points to a single IP address: 20.119.144.13.

Other host names such as huberfinancial.com, solutions.ironmountain.no, sierra26.com, worldtrendfps.com and ironmountain.it share IPs with rfbookcpas.com.

Name Servers

Two name servers ns39.domaincontrol.com and ns40.domaincontrol.com handle the delegation for rfbookcpas.com.

rfbookcpas.com shares the same name server setup as other domains, for example furnart.de, haveanidea.us, imagenluminica.com.mx, highpeakscycles.com and southcrofthealthcare.co.uk.

rfbookcpas.com shares name servers with other domains at least partially, for instance atscloud.com.

Host names with two IP numbers:

ns39.domaincontrol.com points to 2603:5:21d1::14 and 97.74.109.20.

ns40.domaincontrol.com points to 2603:5:22d1::14 and 173.201.77.20.

Mail Servers

Two mail servers handle rfbookcpas.com: mxa-00a71b01.gslb.pphosted.com and mxb-00a71b01.gslb.pphosted.com.

rfbookcpas.com shares the same mail server setup as other domains, including capdir.com, firstwavefinancial.com, savantcapital.com, savantwealth.com and basilfinancialgroup.com.

Host names with a single IP:

mxa-00a71b01.gslb.pphosted.com points to 208.56.12.42.

mxb-00a71b01.gslb.pphosted.com points to 208.56.12.42.

Host names pointing to 208.56.12.42: mxa-00a71b01.gslb.pphosted.com and mxb-00a71b01.gslb.pphosted.com.