cfb-study.com - dns.ninja
cfb-study.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 162.241.218.163🇺🇸 ORACLE-OCI-31898162.241.216.0/22 Google | ||||||
| PTR | box5575.bluehost.com | ||||||
| NS | ns1.bluehost.com ⭐ | ||||||
| A | 162.159.24.80Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns1.bluehost.com | ||||||
| NS | ns2.bluehost.com | ||||||
| A | 162.159.25.175Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns2.bluehost.com | ||||||
| MX | mail.cfb-study.com ⭐ | ||||||
| A | 162.241.218.163🇺🇸 ORACLE-OCI-31898162.241.216.0/22 Google | ||||||
| PTR | box5575.bluehost.com | ||||||
| TXT | v=spf1 a mx include:websitewelcome.com ~all | ||||||
| SOA | ns1.bluehost.comroot@box5575.bluehost.com 2022-12-12 #3 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1782935946 | ||||||
Subdomains
Same first word
cfb-study.com |
DNS History
10 records (4 active, 6 former)
●NSns1.bluehost.com2026-02-28 → 2026-07-01 · 3 obs
● 2026-02-28 20:05:04
● 2026-07-01 20:09:04
●NSns2.bluehost.com2026-02-28 → 2026-07-01 · 3 obs
● 2026-02-28 20:05:04
● 2026-07-01 20:09:04
○NSns77.domaincontrol.com2015-07-10 → 2020-03-28 · 4 obs
● 2020-03-28 07:21:00
○ 2026-02-28 20:05:04
○ 2026-07-01 20:09:04
○NSns78.domaincontrol.com2015-07-10 → 2020-03-28 · 4 obs
● 2020-03-28 07:21:00
○ 2026-02-28 20:05:04
○ 2026-07-01 20:09:04
●MXmail.cfb-study.com2026-02-28 → 2026-07-01 · 3 obs
● 2026-02-28 20:05:04
● 2026-07-01 20:09:04
○MXmailstore1.secureserver.net2015-07-10 → 2020-03-28 · 4 obs
● 2020-03-28 07:21:00
○ 2026-02-28 20:05:04
○ 2026-07-01 20:09:04
○MXsmtp.secureserver.net2015-07-10 → 2020-03-28 · 4 obs
● 2020-03-28 07:21:00
○ 2026-02-28 20:05:04
○ 2026-07-01 20:09:04
●A162.241.218.1632026-02-28 → 2026-07-01 · 3 obs
● 2026-02-28 20:05:04
● 2026-07-01 20:09:04
○A50.63.197.112015-07-10 → 2017-03-21 · 4 obs
● 2017-03-21 20:18:58
○ 2020-03-28 07:21:00
○ 2026-07-01 20:09:04
○A50.63.92.122020-03-28 → 2020-03-28 · 4 obs
● 2020-03-28 07:21:00
○ 2026-02-28 20:05:04
○ 2026-07-01 20:09:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | g.gtld-servers.net, d.gtld-servers.net, h.gtld-servers.net, c.gtld-servers.net... | - |
| cfb-study.com | ns1.bluehost.com, ns2.bluehost.com | 2 records |
✅ Authoritative Response
Server:162.159.25.175
NS records: ns1.bluehost.com, ns2.bluehost.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cfb-study.com (unsigned zone)
⏱️ Timing
Total: 205ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 162.241.218.163 |
| NS | 2 | ns2.bluehost.com, ns1.bluehost.com |
| MX | 1 | mail.cfb-study.com (pri: 0) |
| TXT | 1 | v=spf1 a mx include:websitewelcome.com ~ |
| SOA | 1 | ns1.bluehost.com root.box5575.bluehost.c |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.bluehost.com, ns2.bluehost.com)
Analysis
Hierarchy
mail.cfb-study.com and www.cfb-study.com are both subdomains of cfb-study.com.
IP Addresses
cfb-study.com resolves to one IP address: 162.241.218.163.
bangengineering.com, deannastover.com, www.healthmedia.tv and two other host names share IP numbers with cfb-study.com.
Name Servers
DNS delegation for cfb-study.com points to two name servers: ns1.bluehost.com and ns2.bluehost.com.
cfb-study.com uses the same name servers as several other domains — among them breakthecyclefilm.com, integralecology.org, endvision.com and two more.
cfb-study.com has partial name server overlap with other domains, including sarmacon.com.
ns1.bluehost.com and ns2.bluehost.com each resolve to one IP number: ns1.bluehost.com points to 162.159.24.80 and ns2.bluehost.com points to 162.159.25.175.
Mail Servers
Mail for cfb-study.com is handled by a single mail server, mail.cfb-study.com.
mail.cfb-study.com has exactly one IP number: 162.241.218.163.