math4u.it - dns.ninja

math4u.it

DNSSEC⚠️ Not signed
A217.64.200.174🇮🇹 SEEWEB217.64.192.0/20 Seeweb srl
PTRlin31.misterdomain.eu
NSmrddns001.misterdomain.eu ⭐
A217.194.3.135🇮🇹 SEEWEB217.194.0.0/20 Seeweb srl
PTRmrddns001.misterdomain.eu
NSmrddns002.misterdomain.eu
A2001:4b7e:2000:5::1🇮🇹 SEEWEB2001:4b78::/29 Seeweb s.r.l.
PTRmrddns002.misterdomain.eu
A217.194.3.136🇮🇹 SEEWEB217.194.0.0/20 Seeweb srl
PTRmrddns002.misterdomain.eu
NSmrddns003.misterdomain.eu
A185.114.108.240🇪🇸 MYLOC-AS185.114.108.0/24 myLoc managed IT AG
PTRmrddns003.misterdomain.eu
NSmrddns004.misterdomain.eu
A185.114.108.241🇪🇸 MYLOC-AS185.114.108.0/24 myLoc managed IT AG
PTRmrddns004.misterdomain.eu
MXmail.math4u.it ⭐
A217.64.200.174🇮🇹 SEEWEB217.64.192.0/20 Seeweb srl
PTRlin31.misterdomain.eu
TXTv=spf1 +mx +a +ip4:217.64.200.174 ~all
SOAmrddns001.misterdomain.eudomainmaster@misterdomain.eu 2024-01-13 #91

it

DNSSEC🔒 Signed (DS record present)
NSdns.nic.it ⭐
NSa.dns.it
NSm.dns.it
NSnameserver.cnr.it
NSr.dns.it
NSv.dns.it
SOAdns.nic.ithostmaster@nic.it 2026-06-16 #12

Same first word

math4u.net
math4u.org
math4u.kr
math4u.de
math4u.com
math4u.it
math4u.co.kr
math4u.ca

Similar names

u4math.org

DNS History

8 records (6 active, 2 former)

20162017201820192020202120222023202420252026NSmrddns001.misterdomain.eumrddns002.misterdomain.eumrddns003.misterdomain.eumrddns004.misterdomain.euMXmail.math4u.itA217.64.200.174185.114.108.85.144.162.81
●NSmrddns001.misterdomain.eu2015-06-13 → 2026-06-16 · 2 obs
● 2015-06-13 06:58:08
● 2026-06-16 10:39:14
●NSmrddns002.misterdomain.eu2015-06-13 → 2026-06-16 · 2 obs
● 2015-06-13 06:58:08
● 2026-06-16 10:39:14
●NSmrddns003.misterdomain.eu2026-02-22 → 2026-06-16 · 3 obs
○ 2015-06-13 06:58:08
● 2026-02-22 10:27:52
● 2026-06-16 10:39:14
●NSmrddns004.misterdomain.eu2026-02-22 → 2026-06-16 · 3 obs
○ 2015-06-13 06:58:08
● 2026-02-22 10:27:52
● 2026-06-16 10:39:14
●MXmail.math4u.it2015-06-13 → 2026-06-16 · 12 obs
● 2015-06-13 06:58:08
● 2017-01-14 22:36:52
○ 2026-02-22 10:27:52
● 2026-03-02 06:48:56
○ 2026-03-06 23:06:18
● 2026-03-08 06:40:02
● 2026-04-04 09:05:56
○ 2026-04-05 06:36:40
○ 2026-05-13 04:21:00
● 2026-06-03 07:06:32
○ 2026-06-04 09:12:16
● 2026-06-16 10:39:14
○A185.114.108.82016-01-27 → 2017-01-14 · 5 obs
○ 2015-11-02 17:19:10
● 2016-01-27 12:25:22
● 2017-01-14 22:36:52
○ 2026-02-22 10:27:52
○ 2026-06-16 10:39:14
●A217.64.200.1742026-03-02 → 2026-06-16 · 7 obs
○ 2026-02-22 10:27:52
● 2026-03-02 06:48:56
● 2026-04-21 20:31:38
○ 2026-05-13 04:21:00
○ 2026-06-03 07:06:32
● 2026-06-04 09:12:16
● 2026-06-16 10:39:14
○A5.144.162.812015-06-13 → 2015-11-02 · 4 obs
● 2015-06-13 06:58:08
● 2015-11-02 17:19:10
○ 2016-01-27 12:25:22
○ 2026-06-16 10:39:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
ita.dns.it, v.dns.it, dns.nic.it, m.dns.it...-
math4u.itmrddns004.misterdomain.eu, mrddns002.misterdomain.eu, mrddns001.misterdomain.eu, mrddns003.misterdomain.eu-

✅ Authoritative Response

Server:217.194.3.136

NS records: mrddns004.misterdomain.eu, mrddns002.misterdomain.eu, mrddns001.misterdomain.eu, mrddns003.misterdomain.eu

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for math4u.it (unsigned zone)

⏱️ Timing

Total: 1185ms | Queries: -

📄 Records

TypeCountSample Data
A1217.64.200.174
NS4mrddns001.misterdomain.eu, mrddns004.misterdomain.eu...
MX1mail.math4u.it (pri: 10)
SOA1mrddns001.misterdomain.eu domainmaster.m

Analysis

IP Addresses

math4u.it points to a single IP number: 217.64.200.174.

Additional host names — mail.medorini.com, mail.paddle.it, romagnainvetrina.com and two others — share IP numbers with math4u.it.

Name Servers

math4u.it has four authoritative name servers: mrddns001.misterdomain.eu, mrddns002.misterdomain.eu, mrddns003.misterdomain.eu and mrddns004.misterdomain.eu.

There is at least partial name server overlap between math4u.it and other domains — gustogourmetstore.it, chiariglione.org, queryo.net and two more among them.

Host names with two IP numbers:

mrddns002.misterdomain.eu has two IP addresses: 217.194.3.136 and 2001:4b7e:2000:5::1.

Host names pointing to a single IP address:

mrddns001.misterdomain.eu directs to 217.194.3.135.

mrddns003.misterdomain.eu directs to 185.114.108.240.

mrddns004.misterdomain.eu directs to 185.114.108.241.

Mail Servers

math4u.it has one mail server: mail.math4u.it.

mail.math4u.it has exactly one IP number: 217.64.200.174.