mayo.edu.com - robtex.com
mayo.edu.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3035::ac43:92a4🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3036::6815:3993🇺🇸 Cloudflare2606:4700:3036::/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 hints | 104.21.57.147, 172.67.146.164 | ||||||
| IPv6 hints | 2606:4700:3035::ac43:92a4, 2606:4700:3036::6815:3993 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=28, name=cloudflare-ech.com | ||||||
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=2411266747 | ||||||
rank #111082 globally
rank #48644 in the tld
WOT: SUSPICIOUS (41/100)
📈 Tranco rank: #194,429
Same first word
Similar names
DNS History
27 records (4 active, 23 former)
●A104.21.57.1472026-04-04 → 2026-08-05 · 3 obs
○ 2016-11-13 21:33:18
● 2026-04-04 01:29:42
● 2026-08-05 02:58:44
● 2026-04-04 01:29:42
● 2026-08-05 02:58:44
●A172.67.146.1642026-04-04 → 2026-08-05 · 3 obs
○ 2016-11-13 21:33:18
● 2026-04-04 01:29:42
● 2026-08-05 02:58:44
● 2026-04-04 01:29:42
● 2026-08-05 02:58:44
○A2606:4700:3035::6815:39932026-04-04 → 2026-04-04 · 4 obs
○ 2016-11-13 21:33:18
● 2026-04-04 01:29:42
○ 2026-07-10 09:49:24
○ 2026-08-05 02:58:44
● 2026-04-04 01:29:42
○ 2026-07-10 09:49:24
○ 2026-08-05 02:58:44
●A2606:4700:3035::ac43:92a42026-04-04 → 2026-08-05 · 3 obs
○ 2016-11-13 21:33:18
● 2026-04-04 01:29:42
● 2026-08-05 02:58:44
● 2026-04-04 01:29:42
● 2026-08-05 02:58:44
●A2606:4700:3036::6815:39932026-07-10 → 2026-08-05 · 3 obs
○ 2026-04-04 01:29:42
● 2026-07-10 09:49:24
● 2026-08-05 02:58:44
● 2026-07-10 09:49:24
● 2026-08-05 02:58:44
○A52.10.233.1772015-08-04 → 2015-08-04 · 3 obs
● 2015-08-04 01:08:10
○ 2015-09-08 00:19:38
○ 2026-08-05 02:58:44
○ 2015-09-08 00:19:38
○ 2026-08-05 02:58:44
○A52.11.62.2322015-11-02 → 2015-11-02 · 4 obs
○ 2015-10-30 02:42:20
● 2015-11-02 23:36:38
○ 2015-11-19 16:29:20
○ 2026-08-05 02:58:44
● 2015-11-02 23:36:38
○ 2015-11-19 16:29:20
○ 2026-08-05 02:58:44
○A52.26.218.1242015-10-22 → 2015-10-30 · 5 obs
○ 2015-10-14 14:02:18
● 2015-10-22 04:17:42
● 2015-10-30 02:42:20
○ 2015-11-02 23:36:38
○ 2026-08-05 02:58:44
● 2015-10-22 04:17:42
● 2015-10-30 02:42:20
○ 2015-11-02 23:36:38
○ 2026-08-05 02:58:44
○A52.27.162.352016-01-16 → 2016-01-19 · 5 obs
○ 2016-01-14 15:35:00
● 2016-01-16 03:58:20
● 2016-01-19 01:13:24
○ 2016-01-23 18:46:32
○ 2026-08-05 02:58:44
● 2016-01-16 03:58:20
● 2016-01-19 01:13:24
○ 2016-01-23 18:46:32
○ 2026-08-05 02:58:44
○A52.27.223.2502015-09-08 → 2015-10-14 · 5 obs
○ 2015-08-04 01:08:10
● 2015-09-08 00:19:38
● 2015-10-14 14:02:18
○ 2015-10-22 04:17:42
○ 2026-08-05 02:58:44
● 2015-09-08 00:19:38
● 2015-10-14 14:02:18
○ 2015-10-22 04:17:42
○ 2026-08-05 02:58:44
○A52.32.128.1342016-01-23 → 2016-01-23 · 4 obs
○ 2016-01-19 01:13:24
● 2016-01-23 18:46:32
○ 2016-04-19 18:03:36
○ 2026-08-05 02:58:44
● 2016-01-23 18:46:32
○ 2016-04-19 18:03:36
○ 2026-08-05 02:58:44
○A52.32.33.1412015-11-19 → 2015-12-07 · 5 obs
○ 2015-11-02 23:36:38
● 2015-11-19 16:29:20
● 2015-12-07 22:58:14
○ 2015-12-19 04:12:22
○ 2026-08-05 02:58:44
● 2015-11-19 16:29:20
● 2015-12-07 22:58:14
○ 2015-12-19 04:12:22
○ 2026-08-05 02:58:44
○A52.34.162.462016-01-03 → 2016-01-14 · 5 obs
○ 2015-12-19 04:12:22
● 2016-01-03 19:54:06
● 2016-01-14 15:35:00
○ 2016-01-16 03:58:20
○ 2026-08-05 02:58:44
● 2016-01-03 19:54:06
● 2016-01-14 15:35:00
○ 2016-01-16 03:58:20
○ 2026-08-05 02:58:44
○A52.35.225.2452015-12-19 → 2015-12-19 · 4 obs
○ 2015-12-07 22:58:14
● 2015-12-19 04:12:22
○ 2016-01-03 19:54:06
○ 2026-08-05 02:58:44
● 2015-12-19 04:12:22
○ 2016-01-03 19:54:06
○ 2026-08-05 02:58:44
○A52.35.255.492015-12-19 → 2015-12-19 · 4 obs
○ 2015-12-07 22:58:14
● 2015-12-19 04:12:22
○ 2016-01-03 19:54:06
○ 2026-08-05 02:58:44
● 2015-12-19 04:12:22
○ 2016-01-03 19:54:06
○ 2026-08-05 02:58:44
○A52.36.119.872016-04-19 → 2016-09-10 · 5 obs
○ 2016-01-23 18:46:32
● 2016-04-19 18:03:36
● 2016-09-10 01:18:42
○ 2016-10-22 02:20:48
○ 2026-08-05 02:58:44
● 2016-04-19 18:03:36
● 2016-09-10 01:18:42
○ 2016-10-22 02:20:48
○ 2026-08-05 02:58:44
○A52.36.149.182016-10-22 → 2016-11-13 · 5 obs
○ 2016-09-10 01:18:42
● 2016-10-22 02:20:48
● 2016-11-13 21:33:18
○ 2026-04-04 01:29:42
○ 2026-08-05 02:58:44
● 2016-10-22 02:20:48
● 2016-11-13 21:33:18
○ 2026-04-04 01:29:42
○ 2026-08-05 02:58:44
○A52.89.100.1262016-10-22 → 2016-11-13 · 5 obs
○ 2016-09-10 01:18:42
● 2016-10-22 02:20:48
● 2016-11-13 21:33:18
○ 2026-04-04 01:29:42
○ 2026-08-05 02:58:44
● 2016-10-22 02:20:48
● 2016-11-13 21:33:18
○ 2026-04-04 01:29:42
○ 2026-08-05 02:58:44
○A54.149.39.2052015-10-22 → 2015-10-30 · 5 obs
○ 2015-10-14 14:02:18
● 2015-10-22 04:17:42
● 2015-10-30 02:42:20
○ 2015-11-02 23:36:38
○ 2026-08-05 02:58:44
● 2015-10-22 04:17:42
● 2015-10-30 02:42:20
○ 2015-11-02 23:36:38
○ 2026-08-05 02:58:44
○A54.149.97.1902015-08-04 → 2015-08-04 · 3 obs
● 2015-08-04 01:08:10
○ 2015-09-08 00:19:38
○ 2026-08-05 02:58:44
○ 2015-09-08 00:19:38
○ 2026-08-05 02:58:44
○A54.186.164.2252016-01-03 → 2016-01-14 · 5 obs
○ 2015-12-19 04:12:22
● 2016-01-03 19:54:06
● 2016-01-14 15:35:00
○ 2016-01-16 03:58:20
○ 2026-08-05 02:58:44
● 2016-01-03 19:54:06
● 2016-01-14 15:35:00
○ 2016-01-16 03:58:20
○ 2026-08-05 02:58:44
○A54.187.39.822016-01-16 → 2016-01-19 · 5 obs
○ 2016-01-14 15:35:00
● 2016-01-16 03:58:20
● 2016-01-19 01:13:24
○ 2016-01-23 18:46:32
○ 2026-08-05 02:58:44
● 2016-01-16 03:58:20
● 2016-01-19 01:13:24
○ 2016-01-23 18:46:32
○ 2026-08-05 02:58:44
○A54.191.197.1842016-01-23 → 2016-01-23 · 4 obs
○ 2016-01-19 01:13:24
● 2016-01-23 18:46:32
○ 2016-04-19 18:03:36
○ 2026-08-05 02:58:44
● 2016-01-23 18:46:32
○ 2016-04-19 18:03:36
○ 2026-08-05 02:58:44
○A54.201.233.1602015-09-08 → 2015-10-14 · 5 obs
○ 2015-08-04 01:08:10
● 2015-09-08 00:19:38
● 2015-10-14 14:02:18
○ 2015-10-22 04:17:42
○ 2026-08-05 02:58:44
● 2015-09-08 00:19:38
● 2015-10-14 14:02:18
○ 2015-10-22 04:17:42
○ 2026-08-05 02:58:44
○A54.218.9.612015-11-02 → 2015-11-02 · 4 obs
○ 2015-10-30 02:42:20
● 2015-11-02 23:36:38
○ 2015-11-19 16:29:20
○ 2026-08-05 02:58:44
● 2015-11-02 23:36:38
○ 2015-11-19 16:29:20
○ 2026-08-05 02:58:44
○A54.68.74.1742016-04-19 → 2016-09-10 · 5 obs
○ 2016-01-23 18:46:32
● 2016-04-19 18:03:36
● 2016-09-10 01:18:42
○ 2016-10-22 02:20:48
○ 2026-08-05 02:58:44
● 2016-04-19 18:03:36
● 2016-09-10 01:18:42
○ 2016-10-22 02:20:48
○ 2026-08-05 02:58:44
○A54.69.21.2112015-11-19 → 2015-12-07 · 5 obs
○ 2015-11-02 23:36:38
● 2015-11-19 16:29:20
● 2015-12-07 22:58:14
○ 2015-12-19 04:12:22
○ 2026-08-05 02:58:44
● 2015-11-19 16:29:20
● 2015-12-07 22:58:14
○ 2015-12-19 04:12:22
○ 2026-08-05 02:58:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | f.gtld-servers.net, j.gtld-servers.net, g.gtld-servers.net, l.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: 230ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.146.164, 104.21.57.147 |
| AAAA | 2 | 2606:4700:3036::6815:3993, 2606:4700:3035::ac43:92a4 |
| 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
mayo.edu.com resolves to four IP addresses: 104.21.57.147, 172.67.146.164, 2606:4700:3035::ac43:92a4 and 2606:4700:3036::6815:3993.
Additional host names — shantiniketan.edu.com, learn.ou.edu.com, unused-178-217-186-246.hosteam.pl and two others — share IP numbers with mayo.edu.com.