mainstructor.com - robtex.com

mainstructor.com

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:b307🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:3367🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.51.103Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.179.7🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSkim.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a7e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkim.ns.cloudflare.com
A2803:f800:50::6ca2:c07e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRkim.ns.cloudflare.com
A2a06:98c1:50::ac40:207e🇺🇸 Cloudflare2a06:98c1:50::/45
PTRkim.ns.cloudflare.com
A108.162.192.126🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkim.ns.cloudflare.com
A172.64.32.126🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkim.ns.cloudflare.com
A173.245.58.126🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkim.ns.cloudflare.com
NSrodrigo.ns.cloudflare.com
A2606:4700:58::a29f:2c4e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrodrigo.ns.cloudflare.com
A2803:f800:50::6ca2:c34e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRrodrigo.ns.cloudflare.com
A2a06:98c1:50::ac40:234e🇺🇸 Cloudflare2a06:98c1:50::/45
PTRrodrigo.ns.cloudflare.com
A108.162.195.78🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrodrigo.ns.cloudflare.com
A162.159.44.78Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrodrigo.ns.cloudflare.com
A172.64.35.78🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrodrigo.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.51.103, 172.67.179.7
IPv62606:4700:3031::ac43:b307, 2606:4700:3034::6815:3367
SOAkim.ns.cloudflare.comdns@cloudflare.com serial=2397251017

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

Previously MX for

mainstructor.com

Same first word

mainstructor.com

DNS History

11 records (6 active, 5 former)

20162017201820192020202120222023202420252026NSkim.ns.cloudflare.comrodrigo.ns.cloudflare.comns1261.hostgator.comns1262.hostgator.comns6031.hostgator.comMXmainstructor.comA104.21.51.103172.67.179.72606:4700:3031::ac43:b3072606:4700:3034::6815:336750.87.147.114
●NSkim.ns.cloudflare.com2026-03-04 → 2026-03-04 · 3 obs
○ 2017-04-01 17:04:58
● 2026-03-04 00:34:36
● 2026-03-04 15:17:16
○NSns1261.hostgator.com2015-05-23 → 2017-04-01 · 4 obs
● 2015-05-23 11:49:20
● 2017-04-01 17:04:58
○ 2026-03-04 00:34:36
○ 2026-03-04 15:17:16
○NSns1262.hostgator.com2015-05-23 → 2017-04-01 · 4 obs
● 2015-05-23 11:49:20
● 2017-04-01 17:04:58
○ 2026-03-04 00:34:36
○ 2026-03-04 15:17:16
○NSns6031.hostgator.com2015-05-23 → 2017-04-01 · 4 obs
● 2015-05-23 11:49:20
● 2017-04-01 17:04:58
○ 2026-03-04 00:34:36
○ 2026-03-04 15:17:16
●NSrodrigo.ns.cloudflare.com2026-03-04 → 2026-03-04 · 3 obs
○ 2017-04-01 17:04:58
● 2026-03-04 00:34:36
● 2026-03-04 15:17:16
○MXmainstructor.com2015-05-23 → 2017-04-01 · 4 obs
● 2015-05-23 11:49:20
● 2017-04-01 17:04:58
○ 2026-03-04 00:34:36
○ 2026-03-04 15:17:16
●A104.21.51.1032026-03-04 → 2026-03-04 · 3 obs
○ 2017-04-01 17:04:58
● 2026-03-04 00:34:36
● 2026-03-04 15:17:16
●A172.67.179.72026-03-04 → 2026-03-04 · 3 obs
○ 2017-04-01 17:04:58
● 2026-03-04 00:34:36
● 2026-03-04 15:17:16
●A2606:4700:3031::ac43:b3072026-03-04 → 2026-03-04 · 3 obs
○ 2017-04-01 17:04:58
● 2026-03-04 00:34:36
● 2026-03-04 15:17:16
●A2606:4700:3034::6815:33672026-03-04 → 2026-03-04 · 3 obs
○ 2017-04-01 17:04:58
● 2026-03-04 00:34:36
● 2026-03-04 15:17:16
○A50.87.147.1142015-05-23 → 2017-04-01 · 4 obs
● 2015-05-23 11:49:20
● 2017-04-01 17:04:58
○ 2026-03-04 00:34:36
○ 2026-03-04 15:17:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, j.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net...-
mainstructor.comkim.ns.cloudflare.com, rodrigo.ns.cloudflare.com12 records

✅ Authoritative Response

Server: 108.162.192.126

NS records: kim.ns.cloudflare.com, rodrigo.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mainstructor.com (unsigned zone)

⏱️ Timing

Total: 144ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.51.103, 172.67.179.7
AAAA22606:4700:3034::6815:3367, 2606:4700:3031::ac43:b307
NS2kim.ns.cloudflare.com, rodrigo.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1kim.ns.cloudflare.com dns.cloudflare.com

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mainstructor.com maps to four IP numbers: 2606:4700:3031::ac43:b307, 2606:4700:3034::6815:3367, 104.21.51.103 and 172.67.179.7.

other host names include yintongtools.com, nyx.app, mail.technologyandproductdevelopment.com, prostitut.top and tesd-751213.dorants.ru; they share IP numbers with mainstructor.com.

Name Servers

Two name servers kim.ns.cloudflare.com and rodrigo.ns.cloudflare.com handle the delegation for mainstructor.com.

mainstructor.com shares the same name server setup as other domains, for instance dicehub.cc, pintureriasmetropolitana.com, prodforyou.com, weedmarker.com and dicehub.net.

mainstructor.com at least partially shares name servers with other domains, for instance upoopu.com, skyzone.com, xiemate.com, hnsthp.com and ceciliaschiller.com.

These name servers are commonly used with casey.ns.cloudflare.com, monroe.ns.cloudflare.com, leif.ns.cloudflare.com, lovisa.ns.cloudflare.com, summer.ns.cloudflare.com and gabe.ns.cloudflare.com.

Six IP addresses per host:

kim.ns.cloudflare.com points to 2606:4700:50::adf5:3a7e, 2803:f800:50::6ca2:c07e, 2a06:98c1:50::ac40:207e, 108.162.192.126, 172.64.32.126 and 173.245.58.126; rodrigo.ns.cloudflare.com points to 2606:4700:58::a29f:2c4e, 2803:f800:50::6ca2:c34e, 2a06:98c1:50::ac40:234e, 108.162.195.78, 162.159.44.78 and 172.64.35.78