columbustaxprep.com - robtex.com

columbustaxprep.com

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:c530🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:4a23🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.74.35Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.197.48🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSrob.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b8c🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrob.ns.cloudflare.com
A2803:f800:50::6ca2:c18c🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRrob.ns.cloudflare.com
A2a06:98c1:50::ac40:218c🇺🇸 Cloudflare2a06:98c1:50::/45
PTRrob.ns.cloudflare.com
A108.162.193.140🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrob.ns.cloudflare.com
A172.64.33.140🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrob.ns.cloudflare.com
A173.245.59.140🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrob.ns.cloudflare.com
NSsky.ns.cloudflare.com
A2606:4700:50::a29f:2602🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsky.ns.cloudflare.com
A2803:f800:50::6ca2:c202🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRsky.ns.cloudflare.com
A2a06:98c1:50::ac40:2202🇺🇸 Cloudflare2a06:98c1:50::/45
PTRsky.ns.cloudflare.com
A108.162.194.2🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsky.ns.cloudflare.com
A162.159.38.2Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsky.ns.cloudflare.com
A172.64.34.2🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsky.ns.cloudflare.com
MXmail-d.mx-in.smtp.data-servers.com ⭐
A2001:19f0:5c01:1526:2525:dddd:0:1🇺🇸 AS-VULTR2001:19f0:5c00::/38 Vultr Assigned Prefix
PTRmail-d.mx-in.smtp.data-servers.com
A45.76.227.67🇺🇸 AS-VULTR45.76.224.0/21 Vultr Assigned Prefix
PTRmail-d.mx-in.smtp.data-servers.com
MXmail-e.mx-in.smtp.data-servers.com(20)
A2001:19f0:5c01:1526:2525:eeee:0:1🇺🇸 AS-VULTR2001:19f0:5c00::/38 Vultr Assigned Prefix
PTRmail-e.mx-in.smtp.data-servers.com
A149.28.113.95🇺🇸 AS-VULTR149.28.112.0/20 Vultr Assigned Prefix
PTRmail-e.mx-in.smtp.data-servers.com
MXmail-01.mx-in.smtp.data-servers.com(500)
A2001:19f0:5c01:1526::252🇺🇸 AS-VULTR2001:19f0:5c00::/38 Vultr Assigned Prefix
PTRmail-01.mx-in.smtp.data-servers.com
A107.191.49.252🇺🇸 AS-VULTR107.191.48.0/22 Vultr Assigned Prefix
PTRmail-01.mx-in.smtp.data-servers.com
TXTMS=ms84616883
TXTv=spf1 include:_spf-minus.data-servers.com -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.74.35, 172.67.197.48
IPv62606:4700:3032::ac43:c530, 2606:4700:3037::6815:4a23
SOArob.ns.cloudflare.comdns@cloudflare.com serial=2399255139

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
🔒 HSTS Preload (+subdomains)

Same first word

columbustaxprep.com

DNS History

22 records (9 active, 13 former)

20162017201820192020202120222023202420252026NSrob.ns.cloudflare.comsky.ns.cloudflare.comns1.expired.homestead.comns1.mdnsservice.comns2.expired.homestead.comns2.mdnsservice.comns3.mdnsservice.comMXmail-01.mx-in.smtp.data-servers.commail-d.mx-in.smtp.data-servers.commail-e.mx-in.smtp.data-servers.commail.mxproc.commx.columbustaxprep.comA104.21.74.35172.67.197.482606:4700:3032::ac43:c5302606:4700:3037::6815:4a23141.8.224.167188.114.96.0188.114.97.0216.40.47.172a06:98c1:3120::2a06:98c1:3121::
○NSns1.expired.homestead.com2015-12-19 → 2015-12-19 · 4 obs
○ 2015-10-11 02:20:20
● 2015-12-19 06:21:46
○ 2016-03-24 08:14:30
○ 2026-03-23 16:38:18
○NSns1.mdnsservice.com2015-05-06 → 2015-10-11 · 4 obs
● 2015-05-06 01:55:12
● 2015-10-11 02:20:20
○ 2015-12-19 06:21:46
○ 2026-03-23 16:38:18
○NSns2.expired.homestead.com2015-12-19 → 2015-12-19 · 4 obs
○ 2015-10-11 02:20:20
● 2015-12-19 06:21:46
○ 2016-03-24 08:14:30
○ 2026-03-23 16:38:18
○NSns2.mdnsservice.com2015-05-06 → 2015-10-11 · 4 obs
● 2015-05-06 01:55:12
● 2015-10-11 02:20:20
○ 2015-12-19 06:21:46
○ 2026-03-23 16:38:18
○NSns3.mdnsservice.com2015-05-06 → 2015-10-11 · 4 obs
● 2015-05-06 01:55:12
● 2015-10-11 02:20:20
○ 2015-12-19 06:21:46
○ 2026-03-23 16:38:18
●NSrob.ns.cloudflare.com2026-03-11 → 2026-03-23 · 3 obs
○ 2016-03-24 08:14:30
● 2026-03-11 09:21:30
● 2026-03-23 16:38:18
●NSsky.ns.cloudflare.com2026-03-11 → 2026-03-23 · 3 obs
○ 2016-03-24 08:14:30
● 2026-03-11 09:21:30
● 2026-03-23 16:38:18
●MXmail-01.mx-in.smtp.data-servers.com2026-03-11 → 2026-03-23 · 3 obs
○ 2016-03-24 08:14:30
● 2026-03-11 09:21:30
● 2026-03-23 16:38:18
●MXmail-d.mx-in.smtp.data-servers.com2026-03-11 → 2026-03-23 · 3 obs
○ 2016-03-24 08:14:30
● 2026-03-11 09:21:30
● 2026-03-23 16:38:18
●MXmail-e.mx-in.smtp.data-servers.com2026-03-11 → 2026-03-23 · 3 obs
○ 2016-03-24 08:14:30
● 2026-03-11 09:21:30
● 2026-03-23 16:38:18
○MXmail.mxproc.com2015-12-19 → 2015-12-19 · 4 obs
○ 2015-10-11 02:20:20
● 2015-12-19 06:21:46
○ 2016-03-24 08:14:30
○ 2026-03-23 16:38:18
○MXmx.columbustaxprep.com2015-05-06 → 2015-10-11 · 4 obs
● 2015-05-06 01:55:12
● 2015-10-11 02:20:20
○ 2015-12-19 06:21:46
○ 2026-03-23 16:38:18
●A104.21.74.352026-03-23 → 2026-03-23 · 3 obs
○ 2026-03-11 09:21:30
● 2026-03-23 16:38:16
● 2026-03-23 16:38:18
○A141.8.224.1672015-12-19 → 2015-12-19 · 4 obs
○ 2015-10-11 02:20:20
● 2015-12-19 06:21:46
○ 2016-03-24 08:14:30
○ 2026-03-23 16:38:18
●A172.67.197.482026-03-23 → 2026-03-23 · 3 obs
○ 2026-03-11 09:21:30
● 2026-03-23 16:38:16
● 2026-03-23 16:38:18
○A188.114.96.02026-03-11 → 2026-03-11 · 4 obs
○ 2016-03-24 08:14:30
● 2026-03-11 09:21:30
○ 2026-03-23 16:38:16
○ 2026-03-23 16:38:18
○A188.114.97.02026-03-11 → 2026-03-11 · 4 obs
○ 2016-03-24 08:14:30
● 2026-03-11 09:21:30
○ 2026-03-23 16:38:16
○ 2026-03-23 16:38:18
○A216.40.47.172015-05-06 → 2015-10-11 · 4 obs
● 2015-05-06 01:55:12
● 2015-10-11 02:20:20
○ 2015-12-19 06:21:46
○ 2026-03-23 16:38:18
●A2606:4700:3032::ac43:c5302026-03-23 → 2026-03-23 · 3 obs
○ 2026-03-11 09:21:30
● 2026-03-23 16:38:16
● 2026-03-23 16:38:18
●A2606:4700:3037::6815:4a232026-03-23 → 2026-03-23 · 3 obs
○ 2026-03-11 09:21:30
● 2026-03-23 16:38:16
● 2026-03-23 16:38:18
○A2a06:98c1:3120::2026-03-11 → 2026-03-11 · 4 obs
○ 2016-03-24 08:14:30
● 2026-03-11 09:21:30
○ 2026-03-23 16:38:16
○ 2026-03-23 16:38:18
○A2a06:98c1:3121::2026-03-11 → 2026-03-11 · 4 obs
○ 2016-03-24 08:14:30
● 2026-03-11 09:21:30
○ 2026-03-23 16:38:16
○ 2026-03-23 16:38:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
columbustaxprep.comrob.ns.cloudflare.com, sky.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.2

NS records: rob.ns.cloudflare.com, sky.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 195ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.74.35, 172.67.197.48
AAAA22606:4700:3032::ac43:c530, 2606:4700:3037::6815:4a23
NS2rob.ns.cloudflare.com, sky.ns.cloudflare.com
MX3mail-d.mx-in.smtp.data-servers.com (pri:, mail-e.mx-in.smtp.data-servers.com (pri:...
TXT2MS=ms84616883, v=spf1 include:_spf-minus.data-servers.c
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1rob.ns.cloudflare.com dns.cloudflare.com

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (rob.ns.cloudflare.com, rob.ns.cloudflare.com, rob.ns.cloudflare.com...)

Analysis

IP Addresses

columbustaxprep.com points to four IP numbers: 2606:4700:3032::ac43:c530, 2606:4700:3037::6815:4a23, 104.21.74.35 and 172.67.197.48.

Other host names, for instance www.gla.global, www.payingforcures.org, evd.co.za, backpot.com and estebantrejos.com share IP numbers with columbustaxprep.com.

Name Servers

columbustaxprep.com's delegation is to two name servers rob.ns.cloudflare.com and sky.ns.cloudflare.com.

columbustaxprep.com uses the same name server setup as other domains, including white-shoe.ai, wns82.top, switchexorex-ark.com and eblin.co.

columbustaxprep.com at least partially shares its name servers with other domains, for instance advontis.com, turhan.eu, lionelbets4.bond, fanya6.com and iosadblock.com.

Host names with six IP numbers:

rob.ns.cloudflare.com points to: 2606:4700:58::adf5:3b8c, 2803:f800:50::6ca2:c18c, 2a06:98c1:50::ac40:218c, 108.162.193.140, 172.64.33.140 and 173.245.59.140.

sky.ns.cloudflare.com points to: 2606:4700:50::a29f:2602, 2803:f800:50::6ca2:c202, 2a06:98c1:50::ac40:2202, 108.162.194.2, 162.159.38.2 and 172.64.34.2.

Mail Servers

columbustaxprep.com is handled by three mail servers: mail-01.mx-in.smtp.data-servers.com, mail-d.mx-in.smtp.data-servers.com and mail-e.mx-in.smtp.data-servers.com.

columbustaxprep.com shares some mail servers with other domains, including joesniderman.com, data-servers.com, namevirus.com, mail-dup01.mx-in.smtp.data-servers.com and mail-c.mx-in.smtp.data-servers.com.

these mail servers are often used alongside the mail servers mail-f.mx-in.smtp.data-servers.com, mail-b.mx-in.smtp.data-servers.com, mail-a.mx-in.smtp.data-servers.com and mail-dup02.mx-in.smtp.data-servers.com.

Host names with two IP numbers:

mail-01.mx-in.smtp.data-servers.com points to: 2001:19f0:5c01:1526::252 and 107.191.49.252.

mail-d.mx-in.smtp.data-servers.com points to: 2001:19f0:5c01:1526:2525:dddd:0:1 and 45.76.227.67.

mail-e.mx-in.smtp.data-servers.com points to: 2001:19f0:5c01:1526:2525:eeee:0:1 and 149.28.113.95.