oischool.com - robtex.com
oischool.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.248.169.48🇺🇸 Amazon13.248.160.0/20 | ||||||
| PTR | a904c694c05102f30.awsglobalaccelerator.com | ||||||
| A | 76.223.54.146🇺🇸 Amazon76.223.48.0/20 | ||||||
| NS | ns2.afternic.com ⭐ | ||||||
| A | 2603:5:2226::45🇺🇸 GODADDY-DNS2603:5:2220::/44 | ||||||
| PTR | ns2.afternic.com | ||||||
| A | 173.201.66.69🇺🇸 GODADDY-DNS173.201.66.0/23 | ||||||
| PTR | ns2.afternic.com | ||||||
| NS | ns1.afternic.com | ||||||
| A | 2603:5:2126::45🇺🇸 GODADDY-DNS2603:5:2120::/44 | ||||||
| PTR | ns1.afternic.com | ||||||
| A | 97.74.98.69🇺🇸 GODADDY-DNS97.74.98.0/23 | ||||||
| PTR | ns1.afternic.com | ||||||
| NS | verification-kezgve4cpkyigwb9yfxelc.ns101.verify.hn ⚠️ Not in zone NS records | ||||||
| A | 13.248.169.48🇺🇸 Amazon13.248.160.0/20 | ||||||
| PTR | a904c694c05102f30.awsglobalaccelerator.com | ||||||
| A | 76.223.54.146🇺🇸 Amazon76.223.48.0/20 | ||||||
| PTR | a904c694c05102f30.awsglobalaccelerator.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns2.afternic.comdns@jomax.net serial=1 | ||||||
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=1777088246 | ||||||
Same first word
Similar names
schoolio.io |
schoolio.eu |
schoolio.de |
schoolio.ca |
hocooils.com |
schoolio.net |
schoolio.org |
shocooil.com |
schoolio.nl |
schoolio.co.uk |
ioschool.com |
schoolio.xyz |
schoolio.com |
DNS History
14 records (5 active, 9 former)
●NSns1.afternic.com2026-04-13 → 2026-04-25 · 3 obs
● 2026-04-13 22:14:10
● 2026-04-25 03:41:56
○NSns1.fabulous.com2015-06-10 → 2017-02-07 · 5 obs
● 2015-06-10 13:56:42
● 2017-02-07 04:18:30
○ 2026-04-13 22:14:10
○ 2026-04-25 03:41:56
●NSns2.afternic.com2026-04-13 → 2026-04-25 · 3 obs
● 2026-04-13 22:14:10
● 2026-04-25 03:41:56
○NSns2.fabulous.com2015-06-10 → 2017-02-07 · 5 obs
● 2015-06-10 13:56:42
● 2017-02-07 04:18:30
○ 2026-04-13 22:14:10
○ 2026-04-25 03:41:56
●NSverification-kezgve4cpkyigwb9yfxelc.ns101.verify.hn2026-04-13 → 2026-04-25 · 3 obs
● 2026-04-13 22:14:10
● 2026-04-25 03:41:56
○MXmail.b-io.co2015-06-10 → 2017-02-07 · 5 obs
● 2015-06-10 13:56:42
● 2017-02-07 04:18:30
○ 2026-04-13 22:14:10
○ 2026-04-25 03:41:56
●A13.248.169.482026-04-13 → 2026-04-25 · 3 obs
● 2026-04-13 22:14:10
● 2026-04-25 03:41:56
○A208.48.81.1332015-06-10 → 2015-11-12 · 5 obs
● 2015-06-10 13:56:42
● 2015-11-12 03:26:54
○ 2016-03-06 18:29:16
○ 2026-04-25 03:41:56
○A208.48.81.1342015-06-10 → 2015-11-12 · 5 obs
● 2015-06-10 13:56:42
● 2015-11-12 03:26:54
○ 2016-03-06 18:29:16
○ 2026-04-25 03:41:56
○A208.48.81.1792015-11-12 → 2015-11-12 · 4 obs
● 2015-11-12 03:26:54
○ 2016-03-06 18:29:16
○ 2026-04-25 03:41:56
○A64.15.205.1002015-06-10 → 2015-11-12 · 5 obs
● 2015-06-10 13:56:42
● 2015-11-12 03:26:54
○ 2016-03-06 18:29:16
○ 2026-04-25 03:41:56
○A64.15.205.1012015-06-10 → 2015-11-12 · 5 obs
● 2015-06-10 13:56:42
● 2015-11-12 03:26:54
○ 2016-03-06 18:29:16
○ 2026-04-25 03:41:56
●A76.223.54.1462026-04-13 → 2026-04-25 · 3 obs
● 2026-04-13 22:14:10
● 2026-04-25 03:41:56
○A98.124.245.242016-03-06 → 2017-02-07 · 5 obs
● 2016-03-06 18:29:16
● 2017-02-07 04:18:30
○ 2026-04-13 22:14:10
○ 2026-04-25 03:41:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| oischool.com | ns1.afternic.com, ns2.afternic.com, verification-kezgve4cpkyigwb9yfxelc.ns101.verify.hn | 4 records |
✅ Authoritative Response
Server:97.74.98.69
NS records: ns1.afternic.com, ns2.afternic.com, verification-kezgve4cpkyigwb9yfxelc.ns101.verify.hn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for oischool.com (unsigned zone)
⏱️ Timing
Total: 3547ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 76.223.54.146, 13.248.169.48 |
| NS | 2 | ns1.afternic.com, ns2.afternic.com |
| MX | 1 | . (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns1.afternic.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.afternic.com, ns1.afternic.com, ns2.afternic.com...)
Analysis
IP Addresses
oischool.com points to two IP numbers: 13.248.169.48 and 76.223.54.146.
Other host names such as fiercehoney.com, sarahjeong.com, victoriapeak.com, api.data.bytecleaner.com and downloadwizard.com share IP numbers with oischool.com.
Name Servers
oischool.com is delegated to three name servers: ns1.afternic.com, ns2.afternic.com and verification-kezgve4cpkyigwb9yfxelc.ns101.verify.hn.
At least part of the name servers for oischool.com are shared with other domains, for instance itdonline.com, goweb.us, mail.big.cash, redbussecondarydns.giftsdelhi.com and ns2.snfinancials.com.
These name servers are commonly used together with the name servers verification-d3jclucsp89ganyqbydeny.ns101.verify.hn, verification-q2yfbmuxrvnsdnaogqtqft.ns101.verify.hn, verification-urj2ap2akmgcchkhharttb.ns101.verify.hn, verification-ag3xtxqjhqhiyarqdrht2l.ns101.verify.hn, verification-ilzyovyxkjcylcmj8rbffy.ns101.verify.hn and verification-o8qgqaqkltquekqthhekc9.ns101.verify.hn.
Host names with two IP numbers:
ns1.afternic.com points to 2603:5:2126::45 and 97.74.98.69
ns2.afternic.com points to 2603:5:2226::45 and 173.201.66.69
verification-kezgve4cpkyigwb9yfxelc.ns101.verify.hn points to 13.248.169.48 and 76.223.54.146