itu.org - robtex.com
itu.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a00:7580:60:a252::3250🇨🇭 UNSPECIFIED | ||||||
| PTR | f5-ipv4v6.itu.ch | ||||||
| A | 156.106.253.250🇨🇭 UNSPECIFIED | ||||||
| NS | ns2.itu.ch ⭐ | ||||||
| A | 2603:1030:20e:c::175🇺🇸 Microsoft | ||||||
| A | 4.156.158.244🇺🇸 Microsoft | ||||||
| NS | ns.itu.ch | ||||||
| A | 2a00:7580:60:2141::10🇨🇭 UNSPECIFIED | ||||||
| PTR | arceus.itu.ch | ||||||
| A | 156.106.192.121🇨🇭 UNSPECIFIED | ||||||
| PTR | arceus.itu.ch | ||||||
| NS | ns3.itu.ch | ||||||
| A | 2603:1020:203:3::20c🇳🇱 Microsoft | ||||||
| A | 20.101.208.60🇳🇱 Microsoft | ||||||
| NS | ns5.itu.ch | ||||||
| A | 2600:9000:5300:2300::1🇺🇸 Amazon | ||||||
| PTR | ns-35.awsdns-04.com | ||||||
| A | 205.251.192.35🇺🇸 Amazon | ||||||
| PTR | ns-35.awsdns-04.com | ||||||
| NS | ns6.itu.ch | ||||||
| A | 2600:9000:5303:2c00::1🇺🇸 Amazon | ||||||
| PTR | ns-812.awsdns-37.net | ||||||
| A | 205.251.195.44🇺🇸 Amazon | ||||||
| PTR | ns-812.awsdns-37.net | ||||||
| NS | ns7.itu.ch | ||||||
| A | 2600:9000:5304:2800::1🇺🇸 Amazon | ||||||
| PTR | ns-1064.awsdns-05.org | ||||||
| A | 205.251.196.40🇺🇸 Amazon | ||||||
| PTR | ns-1064.awsdns-05.org | ||||||
| NS | ns8.itu.ch | ||||||
| A | 2600:9000:5307:4a00::1🇺🇸 Amazon | ||||||
| PTR | ns-1866.awsdns-41.co.uk | ||||||
| A | 205.251.199.74🇺🇸 Amazon | ||||||
| PTR | ns-1866.awsdns-41.co.uk | ||||||
| MX | smtp-in-0.itu.ch ⭐ | ||||||
| A | 156.106.192.20🇨🇭 UNSPECIFIED | ||||||
| PTR | mail4.itu.ch | ||||||
| MX | smtp-in-1.itu.ch ⭐ | ||||||
| A | 156.106.192.21🇨🇭 UNSPECIFIED | ||||||
| PTR | mail5.itu.ch | ||||||
| TXT | MS=ms10801744 | ||||||
| TXT | UtNf3/9YCnOlqyKq55I859zREUJ3vIEafS4HVQpD/NcAts7kNSCo6e72jl7348oBAZqveiJc9cv7F... | ||||||
| TXT | adobe-idp-site-verification=45cc586968520745b7c4a80da26402a4e93b36523cb57fe99... | ||||||
| TXT | apple-domain-verification=8k1jFouBaGXq2Vu4 | ||||||
| TXT | atlassian-domain-verification=74JS2eOA8Lqcdxbs5ydH5jf1oZwmrm7egDaiC06Exhuraie... | ||||||
| TXT | cisco-ci-domain-verification=65b81f5e5cbb148bc6ecf3dbbe8a12c57a775321fb55e5b1... | ||||||
| TXT | google-site-verification=H4hEnSrSL9A-LU_zr1GB86qJ9TNwO5QQ62yVPDGxtQU | ||||||
| TXT | google-site-verification=KnjD3vfQw6QzV-Tdi1DYB-vruU1LRfcoZa3hpu_6Dmw | ||||||
| TXT | google-site-verification=Mt2O1S2bdYkwzokESyNQlj-W_krcAAnJpKXW8YQBPZM | ||||||
| TXT | google-site-verification=OAL7V9LOPx_KZ3pTK2B89gxf9-tpX4SuWsujyfFxo5M | ||||||
| TXT | v=spf1 ip4:156.106.192.20/30 ip4:156.106.192.38/31 include:spf.protection.out... | ||||||
| SOA | ns.itu.chhostmaster@itu.ch 2026-02-21 #1 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1771291736 | ||||||
Up
www.itu.org |
Same first word
Similar names
DNS History
23 records (11 active, 12 former)
○NSns-isi-edu.itu.ch2015-08-24 → 2016-04-26 · 5 obs
● 2015-08-24 07:24:22
● 2016-04-26 11:19:04
○ 2016-05-24 14:14:16
○ 2026-02-22 00:43:08
○NSns.isi.edu2009-07-02 → 2009-07-02 · 3 obs
○ 2015-08-24 07:24:22
○ 2026-02-22 00:43:08
○NSns1-ip-plus-net.itu.ch2015-08-24 → 2016-04-26 · 5 obs
● 2015-08-24 07:24:22
● 2016-04-26 11:19:04
○ 2016-05-24 14:14:16
○ 2026-02-22 00:43:08
○NSns1.ip-plus.net2009-07-02 → 2009-07-02 · 3 obs
○ 2015-08-24 07:24:22
○ 2026-02-22 00:43:08
●NSns2.itu.ch2015-08-24 → 2026-02-22 · 3 obs
● 2015-08-24 07:24:22
● 2026-02-22 00:43:08
●NSns3.itu.ch2016-05-24 → 2026-02-22 · 3 obs
● 2016-05-24 14:14:16
● 2026-02-22 00:43:08
●NSns5.itu.ch2026-02-19 → 2026-02-22 · 3 obs
● 2026-02-19 02:52:32
● 2026-02-22 00:43:08
●NSns6.itu.ch2026-02-19 → 2026-02-22 · 3 obs
● 2026-02-19 02:52:32
● 2026-02-22 00:43:08
●NSns7.itu.ch2026-02-19 → 2026-02-22 · 3 obs
● 2026-02-19 02:52:32
● 2026-02-22 00:43:08
●NSns8.itu.ch2026-02-19 → 2026-02-22 · 3 obs
● 2026-02-19 02:52:32
● 2026-02-22 00:43:08
○MXmail2.itu.ch2009-07-02 → 2009-07-02 · 3 obs
○ 2015-08-24 07:24:22
○ 2026-02-22 00:43:08
○MXmail8.itu.ch2009-07-02 → 2009-07-02 · 3 obs
○ 2015-08-24 07:24:22
○ 2026-02-22 00:43:08
●MXsmtp-in-0.itu.ch2015-11-18 → 2026-02-22 · 3 obs
● 2015-11-18 16:07:06
● 2026-02-22 00:43:08
●MXsmtp-in-1.itu.ch2015-11-18 → 2026-02-22 · 3 obs
● 2015-11-18 16:07:06
● 2026-02-22 00:43:08
○MXsmtp-in.itu.ch2015-08-24 → 2015-09-12 · 5 obs
● 2015-08-24 07:24:22
● 2015-09-12 13:26:12
○ 2015-11-18 16:07:06
○ 2026-02-22 00:43:08
○A156.106.192.1632009-07-02 → 2015-09-12 · 4 obs
● 2015-09-12 13:26:12
○ 2015-11-18 16:07:06
○ 2026-02-22 00:43:08
○A156.106.249.792015-11-18 → 2015-11-18 · 4 obs
● 2015-11-18 16:07:06
○ 2015-12-09 03:05:56
○ 2026-02-22 00:43:08
○A156.106.249.902015-12-09 → 2021-04-17 · 5 obs
● 2015-12-09 03:05:56
● 2021-04-17 12:37:10
○ 2026-02-19 02:52:32
○ 2026-02-22 00:43:08
●A156.106.253.2502026-02-19 → 2026-02-22 · 3 obs
● 2026-02-19 02:52:32
● 2026-02-22 00:43:08
○A2a00:7580:60:2141::132019-08-24 → 2019-08-24 · 4 obs
● 2019-08-24 09:15:10
○ 2021-04-17 12:37:10
○ 2026-02-22 00:43:08
○A2a00:7580:60:2141::142016-01-16 → 2021-04-17 · 5 obs
● 2016-01-16 05:35:48
● 2021-04-17 12:37:10
○ 2026-02-19 02:52:32
○ 2026-02-22 00:43:08
●A2a00:7580:60:a252::32502026-02-19 → 2026-02-22 · 3 obs
● 2026-02-19 02:52:32
● 2026-02-22 00:43:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| itu.org | ns.itu.ch, ns6.itu.ch, ns2.itu.ch, ns8.itu.ch... | - |
✅ Authoritative Response
Server: 156.106.192.121
NS records: ns.itu.ch, ns6.itu.ch, ns2.itu.ch, ns8.itu.ch, ns3.itu.ch, ns5.itu.ch, ns7.itu.ch
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for itu.org (unsigned zone)
⏱️ Timing
Total: 282ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 156.106.253.250 |
| AAAA | 1 | 2a00:7580:60:a252::3250 |
| NS | 7 | ns2.itu.ch, ns3.itu.ch... |
| MX | 2 | smtp-in-0.itu.ch (pri: 5), smtp-in-1.itu.ch (pri: 5) |
| TXT | 11 | MS=ms10801744, UtNf3/9YCnOlqyKq55I859zREUJ3vIEafS4HVQpD... |
| SOA | 1 | ns.itu.ch hostmaster.itu.ch |
AI analysis
The parent of www.itu.org is itu.org.
itu.org resolves to two IP numbers: 2a00:7580:60:a252::3250 and 156.106.253.250.
Other host names, for instance wftp3.itu.ch, erecruit.itu.int, itu-kaleidoscope.com, itu-kaleidoscope.net and sdc.itu.int share IP numbers with itu.org.
itu.org is delegated to seven name servers: ns2.itu.ch, ns3.itu.ch, ns5.itu.ch, ns6.itu.ch, ns7.itu.ch, ns8.itu.ch and ns.itu.ch.
itu.org partially shares name servers with other domains; examples include broadbanddevelopment.org, cm, itu.ch, 62.5.193.in-addr.arpa and beta.www.1967oldsmobile442today.bz.cm.
These name servers are commonly used with phloem.uoregon.edu, ns1.nic.cm, ns2.nic.cm, ns-cm.nic.fr, ns-cm.afrinic.net and auth02.ns.uu.net.
Host names with two IP numbers
ns2.itu.ch has IPs 2603:1030:20e:c::175 and 4.156.158.244.
ns3.itu.ch has IPs 2603:1020:203:3::20c and 20.101.208.60.
ns5.itu.ch has IPs 2600:9000:5300:2300::1 and 205.251.192.35.
ns6.itu.ch has IPs 2600:9000:5303:2c00::1 and 205.251.195.44.
ns7.itu.ch has IPs 2600:9000:5304:2800::1 and 205.251.196.40.
ns8.itu.ch has IPs 2600:9000:5307:4a00::1 and 205.251.199.74.
ns.itu.ch has IPs 2a00:7580:60:2141::10 and 156.106.192.121.
itu.org is handled by two mail servers: smtp-in-0.itu.ch and smtp-in-1.itu.ch.
itu.org has the same mail server setup as other domains, including www3.itu.int, web01.itu.ch, wwws.itu.ch, ylin1.itu.ch and ftp.itu.int.
itu.org shares some mail servers with other domains, at least partially, such as wsis.org, academy.itu.int, ties.itu.int, ties.itu.ch and techneedsgirls.org.
These mail servers are often used together with smtp-in-3.itu.ch and smtp-in-2.itu.ch.
Host names with one IP number: The host name smtp-in-0.itu.ch points to 156.106.192.20 and the host name smtp-in-1.itu.ch points to 156.106.192.21.