studyguide.us - dns.ninja
studyguide.us
| DNSSEC | ⚠️ Not signed | ||||||
| A | 50.87.218.82🇺🇸 EIGI50.87.0.0/16 Unified Layer | ||||||
| PTR | box2388.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.studyguide.us ⭐ | ||||||
| A | 50.87.218.82🇺🇸 EIGI50.87.0.0/16 Unified Layer | ||||||
| PTR | box2388.bluehost.com | ||||||
| TXT | v=spf1 ip4:50.87.218.82 a mx include:websitewelcome.com ~all | ||||||
| SOA | ns1.bluehost.comroot@box2388.bluehost.com 2020-12-02 #7 | ||||||
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=1782071467 | ||||||
Subdomains
mail.studyguide.us |
Same first word
studyguide.cn |
studyguide.co |
studyguide.us |
studyguide.de |
studyguide.gr |
studyguide.net |
studyguide.eu |
studyguide.com |
studyguide.ca |
studyguide.buzz |
studyguide.co.in |
studyguide.org |
studyguide.ch |
studyguide.at |
Similar names
DNS History
14 records (4 active, 10 former)
○NS01.dnsv.jp2017-06-19 → 2017-06-19 · 4 obs
● 2017-06-19 07:51:50
○ 2026-02-25 20:18:40
○ 2026-06-21 20:12:58
○NS02.dnsv.jp2017-06-19 → 2017-06-19 · 4 obs
● 2017-06-19 07:51:50
○ 2026-02-25 20:18:40
○ 2026-06-21 20:12:58
○NS03.dnsv.jp2017-06-19 → 2017-06-19 · 4 obs
● 2017-06-19 07:51:50
○ 2026-02-25 20:18:40
○ 2026-06-21 20:12:58
○NS04.dnsv.jp2017-06-19 → 2017-06-19 · 4 obs
● 2017-06-19 07:51:50
○ 2026-02-25 20:18:40
○ 2026-06-21 20:12:58
○NSns-1457.awsdns-54.org2015-06-19 → 2015-06-19 · 3 obs
○ 2017-06-19 07:51:50
○ 2026-06-21 20:12:58
○NSns-1668.awsdns-16.co.uk2015-06-19 → 2015-06-19 · 3 obs
○ 2017-06-19 07:51:50
○ 2026-06-21 20:12:58
○NSns-837.awsdns-40.net2015-06-19 → 2015-06-19 · 3 obs
○ 2017-06-19 07:51:50
○ 2026-06-21 20:12:58
○NSns-86.awsdns-10.com2015-06-19 → 2015-06-19 · 3 obs
○ 2017-06-19 07:51:50
○ 2026-06-21 20:12:58
●NSns1.bluehost.com2026-02-25 → 2026-06-21 · 3 obs
● 2026-02-25 20:18:40
● 2026-06-21 20:12:58
●NSns2.bluehost.com2026-02-25 → 2026-06-21 · 3 obs
● 2026-02-25 20:18:40
● 2026-06-21 20:12:58
●MXmail.studyguide.us2026-02-25 → 2026-06-21 · 2 obs
● 2026-06-21 20:12:58
●A50.87.218.822026-02-25 → 2026-06-21 · 3 obs
● 2026-02-25 20:18:40
● 2026-06-21 20:12:58
○A54.225.135.82015-06-19 → 2015-06-19 · 3 obs
○ 2017-06-19 07:51:50
○ 2026-06-21 20:12:58
○A59.106.185.112017-06-19 → 2017-06-19 · 4 obs
● 2017-06-19 07:51:50
○ 2026-02-25 20:18:40
○ 2026-06-21 20:12:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| us | n.cctld.us, k.cctld.us, x.cctld.us, w.cctld.us... | - |
| studyguide.us | ns1.bluehost.com, ns2.bluehost.com | - |
✅ Authoritative Response
Server:162.159.24.80
NS records: ns1.bluehost.com, ns2.bluehost.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for studyguide.us (unsigned zone)
⏱️ Timing
Total: 967ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 50.87.218.82 |
| NS | 2 | ns1.bluehost.com, ns2.bluehost.com |
| MX | 1 | mail.studyguide.us (pri: 0) |
| TXT | 1 | v=spf1 ip4:50.87.218.82 a mx include:web |
| SOA | 1 | ns1.bluehost.com root.box2388.bluehost.c |
Analysis
Hierarchy
The domain mail.studyguide.us falls under the parent studyguide.us.
IP Addresses
studyguide.us resolves to just one IP address, 50.87.218.82.
Two other host names, along with caytanenterprise.com, mail.pinholed.com and globalpositivenewsnetwork.com, also share IP numbers with studyguide.us.
Name Servers
The NS records for studyguide.us delegate to ns1.bluehost.com and ns2.bluehost.com.
studyguide.us shares its NS records with other domains, for example plannedserendipity.com, beec-dfm.com, accidentinjurylachiropractic.com and two others.
studyguide.us and other domains like treoguide.com share at least a portion of their name servers.
Each of ns1.bluehost.com and ns2.bluehost.com has one IP address: ns1.bluehost.com uses 162.159.24.80 and ns2.bluehost.com uses 162.159.25.175.
Mail Servers
The sole mail server for studyguide.us is mail.studyguide.us.
mail.studyguide.us resolves to 50.87.218.82 and no other IP number.