exprofesso.school - robtex.com

exprofesso.school

DNSSEC⚠️ Not signed
A176.57.64.28🇧🇦 DDOS-GUARD176.57.64.0/23
NSns1.tildadns.com
A2400:cb00:2049:1::a29f:1ac4🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A162.159.26.196Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns2.tildadns.com
A2400:cb00:2049:1::a29f:1bdd🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A162.159.27.221Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
MXmx1.hosting.reg.ru
A31.31.194.240🇷🇺 AS-REGRU31.31.194.0/24 Reg.Ru
PTRrelay.hosting.reg.ru
A31.31.194.241🇷🇺 AS-REGRU31.31.194.0/24 Reg.Ru
PTRrelay.hosting.reg.ru
MXmx2.hosting.reg.ru(2)
A31.31.194.240🇷🇺 AS-REGRU31.31.194.0/24 Reg.Ru
PTRrelay.hosting.reg.ru
A31.31.194.241🇷🇺 AS-REGRU31.31.194.0/24 Reg.Ru
PTRrelay.hosting.reg.ru
MXfeedback-smtp.eu-west-1.amazonses.com(10)
A18.200.42.95🇮🇪 Amazon18.200.0.0/16 EC2 DUB prefix
PTRec2-18-200-42-95.eu-west-1.compute.amazonaws.com
A34.243.41.226🇮🇪 Amazon34.240.0.0/13 EC2 DUB prefix
PTRec2-34-243-41-226.eu-west-1.compute.amazonaws.com
A34.250.195.198🇮🇪 Amazon34.248.0.0/13 EC2 DUB prefix
PTRec2-34-250-195-198.eu-west-1.compute.amazonaws.com
TXTv=spf1 ip4:37.140.192.14 a mx include:_spf.hosting.reg.ru include:spf.unisend...
TXTv=spf1 include:amazonses.com ~all
SOAns1.tildadns.comns@tilda.team 2025-10-29 #4

school

DNSSEC🔒 Signed (DS record present)
NSv0n0.nic.school
NSv0n1.nic.school
NSv0n2.nic.school
NSv0n3.nic.school
NSv2n0.nic.school
NSv2n1.nic.school
SOAv0n0.nic.schoolhostmaster@donuts.email serial=1783935354

Same first word

DNS History

6 records (6 active, 0 former)

NSns1.tildadns.comns2.tildadns.comMXfeedback-smtp.eu-west-1.amazonses.commx1.hosting.reg.rumx2.hosting.reg.ruA176.57.64.28
NSns1.tildadns.com2026-04-28 → 2026-07-13 · 2 obs
● 2026-04-28 16:22:38
● 2026-07-13 10:06:20
NSns2.tildadns.com2026-04-28 → 2026-07-13 · 2 obs
● 2026-04-28 16:22:38
● 2026-07-13 10:06:20
MXfeedback-smtp.eu-west-1.amazonses.com2026-04-28 → 2026-07-13 · 2 obs
● 2026-04-28 16:22:38
● 2026-07-13 10:06:20
MXmx1.hosting.reg.ru2026-04-28 → 2026-07-13 · 2 obs
● 2026-04-28 16:22:38
● 2026-07-13 10:06:20
MXmx2.hosting.reg.ru2026-04-28 → 2026-07-13 · 2 obs
● 2026-04-28 16:22:38
● 2026-07-13 10:06:20
A176.57.64.282026-04-28 → 2026-07-13 · 2 obs
● 2026-04-28 16:22:38
● 2026-07-13 10:06:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
schoolv2n0.nic.school, v0n2.nic.school, v0n0.nic.school, v0n3.nic.school...12 records
exprofesso.schoolns1.tildadns.com, ns2.tildadns.com-

✅ Authoritative Response

Server:162.159.27.221

NS records: ns1.tildadns.com, ns2.tildadns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for exprofesso.school (unsigned zone)

⏱️ Timing

Total: 1371ms | Queries: -

📄 Records

TypeCountSample Data
A1176.57.64.28
NS2ns2.tildadns.com, ns1.tildadns.com
MX3feedback-smtp.eu-west-1.amazonses.com (p, mx1.hosting.reg.ru (pri: 1)...
TXT2v=spf1 include:amazonses.com ~all, v=spf1 ip4:37.140.192.14 a mx include:_s
SOA1ns1.tildadns.com ns.tilda.team

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v2n0.nic.school, v2n0.nic.school, v0n2.nic.school...)

Analysis

IP Addresses

exprofesso.school points to a single IP number: 176.57.64.28.

Additional host names — profit-kam.ru, dvizzenie.ru, sk-lion.ru and two others — share IP numbers with exprofesso.school.

Name Servers

Two name servers handle the delegation for exprofesso.school: ns1.tildadns.com and ns2.tildadns.com.

exprofesso.school shares its name server setup with other domains, including me-family.ru, superdenta.ru, xn--b1aeacca2am5cp4l.xn--p1ai and two others.

exprofesso.school shares at least some of its name servers with other domains, including herbalive.org, aibat.ru, svobodagroup.ru and two others.

These name servers are frequently seen alongside the name servers ns-494.awsdns-61.com, ns-690.awsdns-22.net, ns-1425.awsdns-50.org and ns-1546.awsdns-01.co.uk.

ns1.tildadns.com and ns2.tildadns.com both carry two IP addresses. The A records for ns1.tildadns.com are 162.159.26.196 and 2400:cb00:2049:1::a29f:1ac4; the A records for ns2.tildadns.com are 162.159.27.221 and 2400:cb00:2049:1::a29f:1bdd.

Mail Servers

exprofesso.school is handled by three mail servers: feedback-smtp.eu-west-1.amazonses.com, mx1.hosting.reg.ru and mx2.hosting.reg.ru.

exprofesso.school shares mail servers — at least in part — with other domains, including aqaplants.ru, ooo-rto.ru, mail.nordenfelt.com and two others.

These mail servers are frequently used alongside the mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and aspmx.l.google.com, plus two others.

Host names with three IP numbers:

The hostname feedback-smtp.eu-west-1.amazonses.com points to 18.200.42.95, 34.243.41.226 and 34.250.195.198.

Host names with two IP numbers:

mx1.hosting.reg.ru resolves to two addresses: 31.31.194.240 and 31.31.194.241.

mx2.hosting.reg.ru resolves to two addresses: 31.31.194.240 and 31.31.194.241.

mx1.hosting.reg.ru along with mx2.hosting.reg.ru each resolve to 31.31.194.240 IP addresses.

mx1.hosting.reg.ru along with mx2.hosting.reg.ru each resolve to 31.31.194.241 IP addresses.