sioi.org - robtex.com

sioi.org

DNSSEC⚠️ Not signed
A51.38.98.145🇫🇷 OVH51.38.0.0/16
PTRserver1.netlogica.it
NSdns2.seeweb.it ⭐
A2001:4b78::22🇮🇹 SEEWEB2001:4b78::/32 Seeweb s.r.l.
PTRdns2.seeweb.it
A85.94.194.108🇮🇹 SEEWEB85.94.192.0/19 Seeweb s.r.l.
PTRdns2.seeweb.it
NSdns.seeweb.it
A212.25.160.10🇮🇹 SEEWEB212.25.160.0/19 Seeweb srl
PTRdns.seeweb.it
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c19::1a🇺🇸 Google2607:f8b0:4004::/48
PTRbk-in-f26.1e100.net
A192.179.18.27🇺🇸 Google192.178.0.0/15
PTRry-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2800:3f0:4003:c0f::1a🇨🇱 Google2800:3f0:4003::/48
A108.177.123.26🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f26.1e100.net
MXalt2.aspmx.l.google.com(5)
A2a00:1450:400b:c02::1a🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f26.1e100.net
A172.253.116.27🇺🇸 Google172.253.116.0/24
PTRdj-in-f27.1e100.net
MXalt3.aspmx.l.google.com(10)
A2a00:1450:4009:c0f::1a🇬🇧 Google2a00:1450:4009::/48
PTRyulhrs-in-f26.1e100.net
A192.178.223.26🇺🇸 Google192.178.223.0/24
PTRyulhrs-in-f26.1e100.net
MXalt4.aspmx.l.google.com(10)
A2a00:1450:400c:c23::1a🇧🇪 Google2a00:1450:400c::/48
PTRyubrupd-in-f26.1e100.net
A172.253.157.27🇺🇸 Google172.253.0.0/16
PTRyubrupd-in-f27.1e100.net
TXTv=spf1 include:_spf.google.com ~all
SOAdns.seeweb.ithostmaster@seeweb.it 2026-07-30 #1

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1785564161
WOT: SAFE (50/100)

Same first word

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isoi.nl
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oisi.net

DNS History

15 records (8 active, 7 former)

20162017201820192020202120222023202420252026NSdns.seeweb.itdns2.seeweb.itdns.sfera.netns1.mclink-net.itns2.mclink-net.itthunder.sfera.netMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comA51.38.98.145195.110.128.11212.35.198.17480.91.49.52
●NSdns.seeweb.it2017-03-30 → 2026-08-01 · 3 obs
○ 2016-07-02 20:00:30
● 2017-03-30 06:35:48
● 2026-08-01 06:13:46
○NSdns.sfera.net2016-07-02 → 2016-07-02 · 4 obs
○ 2016-03-10 20:11:10
● 2016-07-02 20:00:30
○ 2017-03-30 06:35:48
○ 2026-08-01 06:13:46
●NSdns2.seeweb.it2017-03-30 → 2026-08-01 · 3 obs
○ 2016-07-02 20:00:30
● 2017-03-30 06:35:48
● 2026-08-01 06:13:46
○NSns1.mclink-net.it2015-09-01 → 2016-03-10 · 4 obs
● 2015-09-01 19:31:48
● 2016-03-10 20:11:10
○ 2016-07-02 20:00:30
○ 2026-08-01 06:13:46
○NSns2.mclink-net.it2015-09-01 → 2016-03-10 · 4 obs
● 2015-09-01 19:31:48
● 2016-03-10 20:11:10
○ 2016-07-02 20:00:30
○ 2026-08-01 06:13:46
○NSthunder.sfera.net2016-07-02 → 2016-07-02 · 4 obs
○ 2016-03-10 20:11:10
● 2016-07-02 20:00:30
○ 2017-03-30 06:35:48
○ 2026-08-01 06:13:46
●MXalt1.aspmx.l.google.com2015-09-01 → 2026-08-01 · 2 obs
● 2015-09-01 19:31:48
● 2026-08-01 06:13:46
●MXalt2.aspmx.l.google.com2015-09-01 → 2026-08-01 · 2 obs
● 2015-09-01 19:31:48
● 2026-08-01 06:13:46
●MXalt3.aspmx.l.google.com2015-09-01 → 2026-08-01 · 2 obs
● 2015-09-01 19:31:48
● 2026-08-01 06:13:46
●MXalt4.aspmx.l.google.com2015-09-01 → 2026-08-01 · 2 obs
● 2015-09-01 19:31:48
● 2026-08-01 06:13:46
●MXaspmx.l.google.com2015-09-01 → 2026-08-01 · 2 obs
● 2015-09-01 19:31:48
● 2026-08-01 06:13:46
○A195.110.128.112015-09-01 → 2016-03-10 · 4 obs
● 2015-09-01 19:31:48
● 2016-03-10 20:11:10
○ 2016-07-02 20:00:30
○ 2026-08-01 06:13:46
○A212.35.198.1742017-03-30 → 2017-03-30 · 4 obs
○ 2016-07-02 20:00:30
● 2017-03-30 06:35:48
○ 2026-07-12 06:19:30
○ 2026-08-01 06:13:46
●A51.38.98.1452026-07-12 → 2026-08-01 · 3 obs
○ 2017-03-30 06:35:48
● 2026-07-12 06:19:30
● 2026-08-01 06:13:46
○A80.91.49.522016-07-02 → 2016-07-02 · 4 obs
○ 2016-03-10 20:11:10
● 2016-07-02 20:00:30
○ 2017-03-30 06:35:48
○ 2026-08-01 06:13:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
sioi.orgdns.seeweb.it, dns2.seeweb.it-

✅ Authoritative Response

Server:85.94.194.108

NS records: dns.seeweb.it, dns2.seeweb.it

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sioi.org (unsigned zone)

⏱️ Timing

Total: 961ms | Queries: -

📄 Records

TypeCountSample Data
A151.38.98.145
NS2dns2.seeweb.it, dns.seeweb.it
MX5ASPMX.L.google.com (pri: 1), ALT1.ASPMX.L.google.com (pri: 5)...
TXT1v=spf1 include:_spf.google.com ~all
SOA1dns.seeweb.it hostmaster.seeweb.it

Analysis

IP Addresses

sioi.org points to a single IP number: 51.38.98.145.

Additional host names — www.sampey.it, server1.netlogica.it, www.netlogica.it and two others — share IP numbers with sioi.org.

Name Servers

sioi.org is delegated to two name servers: dns2.seeweb.it and dns.seeweb.it.

sioi.org shares its name server setup with other domains, including palmer-finance.eu, dataoffice.it, pinebo.it and two others.

Host names with two IP numbers:

dns2.seeweb.it points to 85.94.194.108 and 2001:4b78::22.

Host names pointing to a single IP address:

dns.seeweb.it points to 212.25.160.10.

Mail Servers

sioi.org is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

sioi.org shares mail servers — at least in part — with other domains, including trithuc.net, ns500699.ns500699.ns500693.ns500693.ns500734.ns500699.ns500693.ns500693.ns500699.ns500728.ns500693.ns500693.ns500683.ns500632.ns500588.ns500588.dtrkdll.com, ns500693.ns500699.ns500734.ns500693.ns500693.ns500693.ns500699.ns500693.ns500693.ns500693.ns500612.ns500632.ns500588.ns500602.ns500578.ns500110.dtrkdll.com and two others.

These mail servers are frequently used alongside the mail servers alt4.aspmx.l.google.com, alt3.aspmx.l.google.com and aspmx2.googlemail.com, plus two others.

Host names with two IP numbers:

aspmx.l.google.com points to 192.179.18.27 and 2607:f8b0:4004:c19::1a.

alt1.aspmx.l.google.com points to 108.177.123.26 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com points to 172.253.116.27 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com points to 192.178.223.26 and 2a00:1450:4009:c0f::1a.

alt4.aspmx.l.google.com points to 172.253.157.27 and 2a00:1450:400c:c23::1a.