intervarsitychicago.org - robtex.com
intervarsitychicago.org
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a4.share-dns.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | a.share-dns.com ⚠️ Not in zone NS records | ||||||
| A | 172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | b.share-dns.net ⚠️ Not in zone NS records | ||||||
| A | 172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | b4.share-dns.net ⚠️ Not in parent delegation | ||||||
| A | 172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| SOA | a.share-dns.commaster@share-dns.com serial=1769202391 | ||||||
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=1778734744 | ||||||
Previously MX for
intervarsitychicago.org |
Same first word
intervarsitychicago.org |
DNS History
15 records (4 active, 11 former)
●NSa.share-dns.com2026-05-09 → 2026-05-14 · 3 obs
● 2026-05-09 02:07:30
● 2026-05-14 05:13:22
●NSa4.share-dns.com2026-05-09 → 2026-05-14 · 3 obs
● 2026-05-09 02:07:30
● 2026-05-14 05:13:22
●NSb.share-dns.net2026-05-09 → 2026-05-14 · 3 obs
● 2026-05-09 02:07:30
● 2026-05-14 05:13:22
●NSb4.share-dns.net2026-05-09 → 2026-05-14 · 3 obs
● 2026-05-09 02:07:30
● 2026-05-14 05:13:22
○NSns1.bluehost.com2008-11-28 → 2008-11-28 · 3 obs
○ 2015-05-19 06:42:14
○ 2026-05-14 05:13:22
○NSns1.dnsowl.com2017-07-08 → 2017-07-08 · 4 obs
● 2017-07-08 05:07:58
○ 2026-05-09 02:07:30
○ 2026-05-14 05:13:22
○NSns2.bluehost.com2008-11-28 → 2008-11-28 · 3 obs
○ 2015-05-19 06:42:14
○ 2026-05-14 05:13:22
○NSns2.dnsowl.com2017-07-08 → 2017-07-08 · 4 obs
● 2017-07-08 05:07:58
○ 2026-05-09 02:07:30
○ 2026-05-14 05:13:22
○NSns3.dnsowl.com2017-07-08 → 2017-07-08 · 4 obs
● 2017-07-08 05:07:58
○ 2026-05-09 02:07:30
○ 2026-05-14 05:13:22
○NSns77.worldnic.com2015-05-19 → 2016-11-29 · 5 obs
● 2015-05-19 06:42:14
● 2016-11-29 05:28:46
○ 2017-07-08 05:07:58
○ 2026-05-14 05:13:22
○NSns78.worldnic.com2015-05-19 → 2016-11-29 · 5 obs
● 2015-05-19 06:42:14
● 2016-11-29 05:28:46
○ 2017-07-08 05:07:58
○ 2026-05-14 05:13:22
○MXintervarsitychicago.org2008-11-28 → 2008-11-28 · 3 obs
○ 2015-05-19 06:42:14
○ 2026-05-14 05:13:22
○MXp.webcom.ctmail.com2015-12-18 → 2017-07-08 · 5 obs
● 2015-12-18 06:55:32
● 2017-07-08 05:07:58
○ 2026-05-09 02:07:30
○ 2026-05-14 05:13:22
○A69.169.90.1072015-05-19 → 2017-07-08 · 5 obs
● 2015-05-19 06:42:14
● 2017-07-08 05:07:58
○ 2026-05-09 02:07:30
○ 2026-05-14 05:13:22
○A69.89.31.562008-11-28 → 2008-11-28 · 3 obs
○ 2015-05-19 06:42:14
○ 2026-05-14 05:13:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| intervarsitychicago.org | b4.share-dns.net, a4.share-dns.com | - |
✅ Authoritative Response
Server:172.64.52.239
NS records: b4.share-dns.net, a4.share-dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for intervarsitychicago.org (unsigned zone)
⏱️ Timing
Total: 2318ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | a.share-dns.com, b.share-dns.net |
| SOA | 1 | a.share-dns.com master.share-dns.com |
Analysis
Name Servers
intervarsitychicago.org's delegation is handled by four name servers: a4.share-dns.com, a.share-dns.com, b4.share-dns.net and b.share-dns.net.
intervarsitychicago.org partially shares name servers with other domains; examples include gzyhqg.com, qecy.cn, cyshengwu.net, 998vk.com and axppt.com.
These name servers are commonly used alongside a5.share-dns.com, b5.share-dns.net, a9.share-dns.com, b9.share-dns.net, a12.share-dns.com, b12.share-dns.net, a3.share-dns.com, b3.share-dns.net, a6.share-dns.com and b6.share-dns.net.
Host names sharing a single IP address:
a4.share-dns.com points to: 172.64.53.25.
a.share-dns.com points to: 172.64.53.25.
b4.share-dns.net points to: 172.64.52.239.
b.share-dns.net points to: 172.64.52.239.
Host names pointing to 172.64.53.25: a4.share-dns.com and a.share-dns.com.
Host names pointing to 172.64.52.239: b4.share-dns.net and b.share-dns.net.