zu.edu.com - robtex.com
zu.edu.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3035::6815:3993🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::ac43:92a4🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.57.147Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.146.164🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.57.147, 172.67.146.164 | ||||||
| IPv6 | 2606:4700:3035::6815:3993, 2606:4700:3035::ac43:92a4 | ||||||
edu.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.248.188.218🇺🇸 Amazon13.248.176.0/20 | ||||||
| NS | josephine.ns.cloudflare.com ⭐ | ||||||
| NS | sonny.ns.cloudflare.com | ||||||
| MX | inbound-smtp.us-west-2.amazonaws.com ⭐ | ||||||
| TXT | google-site-verification=XUwxzRiNw6-GXCUt8i5uonkV-HXKrdWqqUCY59zKzJQ | ||||||
| TXT | v=spf1 include:amazonses.com ~all | ||||||
| SOA | josephine.ns.cloudflare.comdns@cloudflare.com serial=2399081085 | ||||||
rank #113571 globally
rank #51366 in the tld
WOT: SUSPICIOUS (41/100)
📈 Tranco rank: #196,413
Same first word
Similar names
DNS History
14 records (4 active, 10 former)
●A104.21.57.1472026-02-15 → 2026-03-23 · 3 obs
○ 2021-08-30 11:15:44
● 2026-02-15 17:48:32
● 2026-03-23 05:25:04
● 2026-02-15 17:48:32
● 2026-03-23 05:25:04
●A172.67.146.1642026-02-15 → 2026-03-23 · 3 obs
○ 2021-08-30 11:15:44
● 2026-02-15 17:48:32
● 2026-03-23 05:25:04
● 2026-02-15 17:48:32
● 2026-03-23 05:25:04
●A2606:4700:3035::6815:39932026-02-15 → 2026-03-23 · 3 obs
○ 2021-08-30 11:15:44
● 2026-02-15 17:48:32
● 2026-03-23 05:25:04
● 2026-02-15 17:48:32
● 2026-03-23 05:25:04
●A2606:4700:3035::ac43:92a42026-02-15 → 2026-03-23 · 3 obs
○ 2021-08-30 11:15:44
● 2026-02-15 17:48:32
● 2026-03-23 05:25:04
● 2026-02-15 17:48:32
● 2026-03-23 05:25:04
○A52.26.248.882015-08-22 → 2015-08-22 · 3 obs
● 2015-08-22 03:02:06
○ 2015-12-19 21:34:58
○ 2026-03-23 05:25:04
○ 2015-12-19 21:34:58
○ 2026-03-23 05:25:04
○A52.27.162.352016-01-20 → 2016-01-20 · 4 obs
○ 2015-12-19 21:34:58
● 2016-01-20 04:30:06
○ 2016-04-17 10:06:46
○ 2026-03-23 05:25:04
● 2016-01-20 04:30:06
○ 2016-04-17 10:06:46
○ 2026-03-23 05:25:04
○A52.32.34.1102016-12-30 → 2016-12-30 · 4 obs
○ 2016-09-11 17:16:20
● 2016-12-30 07:37:32
○ 2021-08-30 11:15:44
○ 2026-03-23 05:25:04
● 2016-12-30 07:37:32
○ 2021-08-30 11:15:44
○ 2026-03-23 05:25:04
○A52.35.225.2452015-12-19 → 2015-12-19 · 4 obs
○ 2015-08-22 03:02:06
● 2015-12-19 21:34:58
○ 2016-01-20 04:30:06
○ 2026-03-23 05:25:04
● 2015-12-19 21:34:58
○ 2016-01-20 04:30:06
○ 2026-03-23 05:25:04
○A52.35.255.492015-12-19 → 2015-12-19 · 4 obs
○ 2015-08-22 03:02:06
● 2015-12-19 21:34:58
○ 2016-01-20 04:30:06
○ 2026-03-23 05:25:04
● 2015-12-19 21:34:58
○ 2016-01-20 04:30:06
○ 2026-03-23 05:25:04
○A52.36.119.872016-04-17 → 2016-09-11 · 5 obs
○ 2016-01-20 04:30:06
● 2016-04-17 10:06:46
● 2016-09-11 17:16:20
○ 2016-12-30 07:37:32
○ 2026-03-23 05:25:04
● 2016-04-17 10:06:46
● 2016-09-11 17:16:20
○ 2016-12-30 07:37:32
○ 2026-03-23 05:25:04
○A54.149.40.1312016-12-30 → 2016-12-30 · 4 obs
○ 2016-09-11 17:16:20
● 2016-12-30 07:37:32
○ 2021-08-30 11:15:44
○ 2026-03-23 05:25:04
● 2016-12-30 07:37:32
○ 2021-08-30 11:15:44
○ 2026-03-23 05:25:04
○A54.187.39.822016-01-20 → 2016-01-20 · 4 obs
○ 2015-12-19 21:34:58
● 2016-01-20 04:30:06
○ 2016-04-17 10:06:46
○ 2026-03-23 05:25:04
● 2016-01-20 04:30:06
○ 2016-04-17 10:06:46
○ 2026-03-23 05:25:04
○A54.218.21.662015-08-22 → 2015-08-22 · 3 obs
● 2015-08-22 03:02:06
○ 2015-12-19 21:34:58
○ 2026-03-23 05:25:04
○ 2015-12-19 21:34:58
○ 2026-03-23 05:25:04
○A54.68.74.1742016-04-17 → 2016-09-11 · 5 obs
○ 2016-01-20 04:30:06
● 2016-04-17 10:06:46
● 2016-09-11 17:16:20
○ 2016-12-30 07:37:32
○ 2026-03-23 05:25:04
● 2016-04-17 10:06:46
● 2016-09-11 17:16:20
○ 2016-12-30 07:37:32
○ 2026-03-23 05:25:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | m.gtld-servers.net, f.gtld-servers.net, c.gtld-servers.net, j.gtld-servers.net... | - |
| edu.com | josephine.ns.cloudflare.com, sonny.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.195.66
NS records: josephine.ns.cloudflare.com, sonny.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for edu.com (unsigned zone)
⏱️ Timing
Total: 128ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.57.147, 172.67.146.164 |
| AAAA | 2 | 2606:4700:3035::ac43:92a4, 2606:4700:3035::6815:3993 |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (josephine.ns.cloudflare.com, josephine.ns.cloudflare.com, josephine.ns.cloudflare.com...)
Analysis
IP Addresses
zu.edu.com refers to four IP numbers: 2606:4700:3035::6815:3993, 2606:4700:3035::ac43:92a4, 104.21.57.147 and 172.67.146.164.
Other host names, for instance 31-133-4-79.hosteam.pl, unused-31-133-4-146.hosteam.pl, unused-31-133-1-211.hosteam.pl, gcccd.edu.com and unused-178-217-186-57.hosteam.pl share IP numbers with zu.edu.com.