collegeboard.us - robtex.com
collegeboard.us
| DNSSEC | ⚠️ Not signed | ||||||
| A | 217.19.248.132🇬🇧 SAFENAMES-AS217.19.248.0/24 Safenames Datacentre | ||||||
| PTR | redirect.idp365.net | ||||||
| NS | dns1.idp365.net ⭐ | ||||||
| A | 2400:cb00:2049:1::a29f:1b83🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 162.159.27.131Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dns1.idp365.net | ||||||
| NS | dns2.idp365.net | ||||||
| A | 2400:cb00:2049:1::a29f:3003🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 162.159.48.3Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dns2.idp365.net | ||||||
| NS | dns3.idp365.net | ||||||
| A | 2400:cb00:2049:1::a29f:31fe🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 162.159.49.254Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dns3.idp365.net | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | dns1.idp365.nethostmaster@idp365.net 2026-06-23 #1 | ||||||
us
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.cctld.us ⭐ | ||||||
| NS | b.cctld.us | ||||||
| NS | f.cctld.us | ||||||
| NS | k.cctld.us | ||||||
| NS | m.cctld.us | ||||||
| NS | n.cctld.us | ||||||
| NS | w.cctld.us | ||||||
| NS | x.cctld.us | ||||||
| NS | y.cctld.us | ||||||
| SOA | a.cctld.usadmin@tldns.godaddy serial=1785574692 | ||||||
Same first word
collegeboard.ca |
collegeboard.com |
collegeboard.de |
collegeboard.org |
collegeboard.vg |
collegeboard.in |
collegeboard.eu |
collegeboard.nyc |
collegeboard.us |
collegeboard.co |
Similar names
DNS History
12 records (4 active, 8 former)
●NSdns1.idp365.net2026-06-06 → 2026-08-01 · 3 obs
● 2026-06-06 02:33:58
● 2026-08-01 09:14:12
●NSdns2.idp365.net2026-06-06 → 2026-08-01 · 3 obs
● 2026-06-06 02:33:58
● 2026-08-01 09:14:12
●NSdns3.idp365.net2026-06-06 → 2026-08-01 · 3 obs
● 2026-06-06 02:33:58
● 2026-08-01 09:14:12
○NSns1.hostmonster.com2015-08-21 → 2016-05-17 · 4 obs
● 2016-05-17 17:24:02
○ 2020-02-02 21:53:26
○ 2026-08-01 09:14:12
○NSns2.hostmonster.com2015-08-21 → 2016-05-17 · 4 obs
● 2016-05-17 17:24:02
○ 2020-02-02 21:53:26
○ 2026-08-01 09:14:12
○NSns31.domaincontrol.com2020-02-02 → 2020-02-02 · 4 obs
● 2020-02-02 21:53:26
○ 2026-06-06 02:33:58
○ 2026-08-01 09:14:12
○NSns32.domaincontrol.com2020-02-02 → 2020-02-02 · 4 obs
● 2020-02-02 21:53:26
○ 2026-06-06 02:33:58
○ 2026-08-01 09:14:12
○MXmail.collegeboard.us2015-08-21 → 2016-05-17 · 4 obs
● 2016-05-17 17:24:02
○ 2020-02-02 21:53:26
○ 2026-08-01 09:14:12
○A184.168.221.502020-02-02 → 2020-02-02 · 4 obs
● 2020-02-02 21:53:26
○ 2026-06-06 02:33:58
○ 2026-08-01 09:14:12
○A192.64.147.1702017-02-05 → 2017-02-05 · 4 obs
● 2017-02-05 07:03:24
○ 2026-06-06 02:33:58
○ 2026-08-01 09:14:12
●A217.19.248.1322026-06-06 → 2026-08-01 · 3 obs
● 2026-06-06 02:33:58
● 2026-08-01 09:14:12
○A67.20.76.1152015-08-21 → 2016-05-17 · 4 obs
● 2016-05-17 17:24:02
○ 2017-02-05 07:03:24
○ 2026-08-01 09:14:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| us | m.cctld.us, k.cctld.us, b.cctld.us, x.cctld.us... | - |
| collegeboard.us | dns1.idp365.net, dns3.idp365.net, dns2.idp365.net | - |
✅ Authoritative Response
Server:162.159.27.131
NS records: dns1.idp365.net, dns3.idp365.net, dns2.idp365.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for collegeboard.us (unsigned zone)
⏱️ Timing
Total: 1597ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 217.19.248.132 |
| NS | 3 | dns1.idp365.net, dns2.idp365.net... |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | dns1.idp365.net hostmaster.idp365.net |
Analysis
IP Addresses
collegeboard.us resolves to just one IP address, 217.19.248.132.
Two other host names, along with wisekey.org, 888-poker.in and www.bitcoinbsvassociation.com, also share IP numbers with collegeboard.us.
Name Servers
collegeboard.us has three name servers — dns1.idp365.net, dns2.idp365.net and dns3.idp365.net.
The name servers of collegeboard.us overlap at least partially with those of other domains — among them nuvogain.us, oderoplateste.tech, ucas.email and two more.
Each of dns1.idp365.net, dns2.idp365.net and dns3.idp365.net points to two IP numbers. dns1.idp365.net points to 162.159.27.131 and 2400:cb00:2049:1::a29f:1b83. dns2.idp365.net points to 162.159.48.3 and 2400:cb00:2049:1::a29f:3003. dns3.idp365.net points to 162.159.49.254 and 2400:cb00:2049:1::a29f:31fe.