studyguide.org - dns.ninja
studyguide.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 51.81.205.62🇺🇸 OVH51.81.128.0/17 Hosting route | ||||||
| PTR | ip62.ip-51-81-205.us | ||||||
| NS | pdns11.domaincontrol.com ⭐ | ||||||
| A | 2603:5:21f2::37🇺🇸 GODADDY-DNS2603:5:21f0::/44 | ||||||
| PTR | pdns11.domaincontrol.com | ||||||
| A | 97.74.111.55🇺🇸 GODADDY-DNS97.74.110.0/23 | ||||||
| PTR | pdns11.domaincontrol.com | ||||||
| NS | pdns12.domaincontrol.com | ||||||
| A | 2603:5:22f2::37🇺🇸 GODADDY-DNS2603:5:22f0::/44 | ||||||
| PTR | pdns12.domaincontrol.com | ||||||
| A | 173.201.79.55🇺🇸 GODADDY-DNS173.201.78.0/23 | ||||||
| PTR | pdns12.domaincontrol.com | ||||||
| TXT | google-site-verification=IPiCTnLD5_FIABxXhlhZznJSChA3w-DzxjwwIOXpcEg | ||||||
| SOA | pdns11.domaincontrol.comdns@jomax.net 2021-05-01 #1 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1782076848 | ||||||
rank #63955 in the tld
WOT: SAFE (82/100)
Subdomains
www.studyguide.org |
Same first word
studyguide.ca |
studyguide.buzz |
studyguide.co.in |
studyguide.org |
studyguide.ch |
studyguide.at |
studyguide.cn |
studyguide.co |
studyguide.us |
studyguide.de |
studyguide.gr |
studyguide.net |
studyguide.eu |
studyguide.com |
Similar names
DNS History
14 records (3 active, 11 former)
○NSns1-r11-dallas.webserversystems.com2015-06-05 → 2016-06-05 · 4 obs
● 2016-06-05 12:26:40
○ 2016-06-13 11:55:22
○ 2026-06-21 22:06:12
○NSns1.webserversystems.com2016-06-13 → 2016-08-28 · 5 obs
● 2016-06-13 11:55:22
● 2016-08-28 07:30:12
○ 2026-04-06 14:27:34
○ 2026-06-21 22:06:12
○NSns2-r11-dallas.webserversystems.com2015-06-05 → 2016-06-05 · 4 obs
● 2016-06-05 12:26:40
○ 2016-06-13 11:55:22
○ 2026-06-21 22:06:12
○NSns2.webserversystems.com2016-06-13 → 2016-08-28 · 5 obs
● 2016-06-13 11:55:22
● 2016-08-28 07:30:12
○ 2026-04-06 14:27:34
○ 2026-06-21 22:06:12
●NSpdns11.domaincontrol.com2026-04-06 → 2026-06-21 · 3 obs
● 2026-04-06 14:27:34
● 2026-06-21 22:06:12
●NSpdns12.domaincontrol.com2026-04-06 → 2026-06-21 · 3 obs
● 2026-04-06 14:27:34
● 2026-06-21 22:06:12
○MXalt1.aspmx.l.google.com2015-06-05 → 2016-08-28 · 4 obs
● 2016-08-28 07:30:12
○ 2026-04-06 14:27:34
○ 2026-06-21 22:06:12
○MXalt2.aspmx.l.google.com2015-06-05 → 2016-08-28 · 4 obs
● 2016-08-28 07:30:12
○ 2026-04-06 14:27:34
○ 2026-06-21 22:06:12
○MXaspmx.l.google.com2015-06-05 → 2016-08-28 · 4 obs
● 2016-08-28 07:30:12
○ 2026-04-06 14:27:34
○ 2026-06-21 22:06:12
○MXaspmx2.googlemail.com2015-06-05 → 2016-08-28 · 4 obs
● 2016-08-28 07:30:12
○ 2026-04-06 14:27:34
○ 2026-06-21 22:06:12
○MXaspmx3.googlemail.com2015-06-05 → 2016-08-28 · 4 obs
● 2016-08-28 07:30:12
○ 2026-04-06 14:27:34
○ 2026-06-21 22:06:12
○A108.168.206.1042015-06-05 → 2016-06-05 · 4 obs
● 2016-06-05 12:26:40
○ 2016-06-13 11:55:22
○ 2026-06-21 22:06:12
○A143.95.236.842016-06-13 → 2016-08-28 · 5 obs
● 2016-06-13 11:55:22
● 2016-08-28 07:30:12
○ 2026-04-06 14:27:34
○ 2026-06-21 22:06:12
●A51.81.205.622026-04-06 → 2026-06-21 · 3 obs
● 2026-04-06 14:27:34
● 2026-06-21 22:06:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| studyguide.org | pdns12.domaincontrol.com, pdns11.domaincontrol.com | - |
✅ Authoritative Response
Server:173.201.79.55
NS records: pdns12.domaincontrol.com, pdns11.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for studyguide.org (unsigned zone)
⏱️ Timing
Total: 286ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 51.81.205.62 |
| NS | 2 | pdns11.domaincontrol.com, pdns12.domaincontrol.com |
| TXT | 1 | google-site-verification=IPiCTnLD5_FIABx |
| SOA | 1 | pdns11.domaincontrol.com dns.jomax.net |
Analysis
Hierarchy
studyguide.org is a parent domain of www.studyguide.org.
IP Addresses
studyguide.org resolves to just one IP address, 51.81.205.62.
Host names such as ip62.ip-51-81-205.us and www.studyguide.org share IP numbers with studyguide.org.
Name Servers
studyguide.org is delegated to two name servers: pdns11.domaincontrol.com and pdns12.domaincontrol.com.
studyguide.org shares its NS records with other domains, for example miamihomecollection.com, 42982g.com, secureticketpurchase.com and two others.
studyguide.org shares at least some of its name servers with other domains, such as brightdns.org.
pdns11.domaincontrol.com and pdns12.domaincontrol.com each resolve to two IP addresses: pdns11.domaincontrol.com points to 97.74.111.55 and 2603:5:21f2::37, while pdns12.domaincontrol.com points to 173.201.79.55 and 2603:5:22f2::37.