textbooksource.net - dns.ninja
textbooksource.net
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.hostpapa.com ⚠️ Not in zone NS records | ||||||
| A | 2400:cb00:2049:1::a29f:1a9b🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 162.159.26.155Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.hostpapa.com ⚠️ Not in zone NS records | ||||||
| A | 2400:cb00:2049:1::a29f:1b90🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 162.159.27.144Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
net
| 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=1786700649 | ||||||
Previously MX for
Same first word
textbooksource.org |
textbooksource.net |
DNS History
19 records (2 active, 17 former)
○NSns1.above.com2015-06-20 → 2015-06-20 · 4 obs
○ 2007-09-15 12:12:04
● 2015-06-20 02:01:44
○ 2015-11-04 06:05:38
○ 2026-08-14 10:01:16
● 2015-06-20 02:01:44
○ 2015-11-04 06:05:38
○ 2026-08-14 10:01:16
●NSns1.hostpapa.com2026-03-27 → 2026-08-14 · 3 obs
○ 2017-03-25 08:05:26
● 2026-03-27 20:00:12
● 2026-08-14 10:01:16
● 2026-03-27 20:00:12
● 2026-08-14 10:01:16
○NSns1.md-pb-iqsv.com2017-03-25 → 2017-03-25 · 4 obs
○ 2016-07-23 10:16:40
● 2017-03-25 08:05:26
○ 2026-03-27 20:00:12
○ 2026-08-14 10:01:16
● 2017-03-25 08:05:26
○ 2026-03-27 20:00:12
○ 2026-08-14 10:01:16
○NSns2.above.com2015-06-20 → 2015-06-20 · 4 obs
○ 2007-09-15 12:12:04
● 2015-06-20 02:01:44
○ 2015-11-04 06:05:38
○ 2026-08-14 10:01:16
● 2015-06-20 02:01:44
○ 2015-11-04 06:05:38
○ 2026-08-14 10:01:16
●NSns2.hostpapa.com2026-03-27 → 2026-08-14 · 3 obs
○ 2017-03-25 08:05:26
● 2026-03-27 20:00:12
● 2026-08-14 10:01:16
● 2026-03-27 20:00:12
● 2026-08-14 10:01:16
○NSns2.md-pb-iqsv.com2017-03-25 → 2017-03-25 · 4 obs
○ 2016-07-23 10:16:40
● 2017-03-25 08:05:26
○ 2026-03-27 20:00:12
○ 2026-08-14 10:01:16
● 2017-03-25 08:05:26
○ 2026-03-27 20:00:12
○ 2026-08-14 10:01:16
○NSns23.domaincontrol.com2015-11-04 → 2016-07-23 · 5 obs
○ 2015-06-20 02:01:44
● 2015-11-04 06:05:38
● 2016-07-23 10:16:40
○ 2017-03-25 08:05:26
○ 2026-08-14 10:01:16
● 2015-11-04 06:05:38
● 2016-07-23 10:16:40
○ 2017-03-25 08:05:26
○ 2026-08-14 10:01:16
○NSns24.domaincontrol.com2015-11-04 → 2016-07-23 · 5 obs
○ 2015-06-20 02:01:44
● 2015-11-04 06:05:38
● 2016-07-23 10:16:40
○ 2017-03-25 08:05:26
○ 2026-08-14 10:01:16
● 2015-11-04 06:05:38
● 2016-07-23 10:16:40
○ 2017-03-25 08:05:26
○ 2026-08-14 10:01:16
○NSns45.worldnic.com2007-09-15 → 2007-09-15 · 3 obs
● 2007-09-15 12:12:04
○ 2015-06-20 02:01:44
○ 2026-08-14 10:01:16
○ 2015-06-20 02:01:44
○ 2026-08-14 10:01:16
○NSns46.worldnic.com2007-09-15 → 2007-09-15 · 3 obs
● 2007-09-15 12:12:04
○ 2015-06-20 02:01:44
○ 2026-08-14 10:01:16
○ 2015-06-20 02:01:44
○ 2026-08-14 10:01:16
○MXmail.post-host.net2015-06-20 → 2015-06-20 · 4 obs
○ 2007-09-15 12:12:04
● 2015-06-20 02:01:44
○ 2015-11-04 06:05:38
○ 2026-08-14 10:01:16
● 2015-06-20 02:01:44
○ 2015-11-04 06:05:38
○ 2026-08-14 10:01:16
○MXmail.textbooksource.net2007-09-15 → 2007-09-15 · 3 obs
● 2007-09-15 12:12:04
○ 2015-06-20 02:01:44
○ 2026-08-14 10:01:16
○ 2015-06-20 02:01:44
○ 2026-08-14 10:01:16
○MXmailstore1.secureserver.net2015-11-04 → 2016-07-23 · 5 obs
○ 2015-06-20 02:01:44
● 2015-11-04 06:05:38
● 2016-07-23 10:16:40
○ 2017-03-25 08:05:26
○ 2026-08-14 10:01:16
● 2015-11-04 06:05:38
● 2016-07-23 10:16:40
○ 2017-03-25 08:05:26
○ 2026-08-14 10:01:16
○MXsmtp.secureserver.net2015-11-04 → 2016-07-23 · 5 obs
○ 2015-06-20 02:01:44
● 2015-11-04 06:05:38
● 2016-07-23 10:16:40
○ 2017-03-25 08:05:26
○ 2026-08-14 10:01:16
● 2015-11-04 06:05:38
● 2016-07-23 10:16:40
○ 2017-03-25 08:05:26
○ 2026-08-14 10:01:16
○MXtextbooksource.net2017-03-25 → 2017-03-25 · 4 obs
○ 2016-07-23 10:16:40
● 2017-03-25 08:05:26
○ 2026-03-27 20:00:12
○ 2026-08-14 10:01:16
● 2017-03-25 08:05:26
○ 2026-03-27 20:00:12
○ 2026-08-14 10:01:16
○A103.224.212.2462015-06-20 → 2015-06-20 · 4 obs
○ 2007-09-15 12:12:04
● 2015-06-20 02:01:44
○ 2015-11-04 06:05:38
○ 2026-08-14 10:01:16
● 2015-06-20 02:01:44
○ 2015-11-04 06:05:38
○ 2026-08-14 10:01:16
○A158.199.195.1092015-11-04 → 2016-07-23 · 5 obs
○ 2015-06-20 02:01:44
● 2015-11-04 06:05:38
● 2016-07-23 10:16:40
○ 2017-03-25 08:05:26
○ 2026-08-14 10:01:16
● 2015-11-04 06:05:38
● 2016-07-23 10:16:40
○ 2017-03-25 08:05:26
○ 2026-08-14 10:01:16
○A64.182.241.542017-03-25 → 2017-03-25 · 4 obs
○ 2016-07-23 10:16:40
● 2017-03-25 08:05:26
○ 2026-03-27 20:00:12
○ 2026-08-14 10:01:16
● 2017-03-25 08:05:26
○ 2026-03-27 20:00:12
○ 2026-08-14 10:01:16
○A67.50.76.1942007-09-15 → 2007-09-15 · 3 obs
● 2007-09-15 12:12:04
○ 2015-06-20 02:01:44
○ 2026-08-14 10:01:16
○ 2015-06-20 02:01:44
○ 2026-08-14 10:01:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | h.gtld-servers.net, b.gtld-servers.net, m.gtld-servers.net, d.gtld-servers.net... | - |
| textbooksource.net | ns2.hostpapa.com, ns1.hostpapa.com | - |
✅ Authoritative Response
Server:162.159.27.144
NS records: ns2.hostpapa.com, ns1.hostpapa.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for textbooksource.net (unsigned zone)
⏱️ Timing
Total: 400ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
Analysis
Name Servers
The NS records for textbooksource.net delegate to ns1.hostpapa.com and ns2.hostpapa.com.
textbooksource.net shares its name server setup with other domains, including robinsen.com, doctorproof.com.au, isbister.co.nz and two others.
textbooksource.net shares at least some of its name servers with other domains, including q-bo.com, wdiokc.com, greenpaklogistics.com and two others.
These name servers are frequently seen alongside ns1.lp.hostpapa.com, ns2.lp.hostpapa.com, ns1.lunarpages.com and 5 other name servers.
ns1.hostpapa.com resolves to 162.159.26.155 and 2400:cb00:2049:1::a29f:1a9b. Likewise, ns2.hostpapa.com resolves to 162.159.27.144 and 2400:cb00:2049:1::a29f:1b90 — two IP addresses apiece.