browntextbook.com - robtex.com
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browntextbook.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns15.worldnic.com ⭐ | ||||||
| A | 162.159.26.214 Cloudflare | ||||||
| PTR | ip-162-159-26-214.defastlink.net | ||||||
| NS | ns16.worldnic.com | ||||||
| A | 162.159.27.150 Cloudflare | ||||||
| PTR | ip-162-159-27-150.defastlink.net | ||||||
| SOA | NS15.WORLDNIC.comnamehost@WORLDNIC@com serial=124102115 | ||||||
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=1771291435 | ||||||
Same first word
browntextbook.com |
DNS History
9 records (2 active, 7 former)
○NSns1.concentric.com2015-05-16 → 2017-03-20 · 3 obs
● 2015-05-16 17:36:00
● 2017-03-20 15:38:04
○ 2026-02-18 22:53:42
● 2017-03-20 15:38:04
○ 2026-02-18 22:53:42
○NSns1.hostingsvcs.com2015-05-16 → 2017-03-20 · 3 obs
● 2015-05-16 17:36:00
● 2017-03-20 15:38:04
○ 2026-02-18 22:53:42
● 2017-03-20 15:38:04
○ 2026-02-18 22:53:42
●NSns15.worldnic.com2026-02-18 → 2026-02-18 · 2 obs
○ 2017-03-20 15:38:04
● 2026-02-18 22:53:42
● 2026-02-18 22:53:42
●NSns16.worldnic.com2026-02-18 → 2026-02-18 · 2 obs
○ 2017-03-20 15:38:04
● 2026-02-18 22:53:42
● 2026-02-18 22:53:42
○NSns2.hostingsvcs.com2015-05-16 → 2017-03-20 · 3 obs
● 2015-05-16 17:36:00
● 2017-03-20 15:38:04
○ 2026-02-18 22:53:42
● 2017-03-20 15:38:04
○ 2026-02-18 22:53:42
○NSns3.hostingsvcs.com2015-05-16 → 2017-03-20 · 3 obs
● 2015-05-16 17:36:00
● 2017-03-20 15:38:04
○ 2026-02-18 22:53:42
● 2017-03-20 15:38:04
○ 2026-02-18 22:53:42
○NSns4.hostingsvcs.com2015-05-16 → 2017-03-20 · 3 obs
● 2015-05-16 17:36:00
● 2017-03-20 15:38:04
○ 2026-02-18 22:53:42
● 2017-03-20 15:38:04
○ 2026-02-18 22:53:42
○MXmailhost.concentric.com2015-05-16 → 2017-03-20 · 3 obs
● 2015-05-16 17:36:00
● 2017-03-20 15:38:04
○ 2026-02-18 22:53:42
● 2017-03-20 15:38:04
○ 2026-02-18 22:53:42
○A204.74.99.1002015-05-16 → 2017-03-20 · 3 obs
● 2015-05-16 17:36:00
● 2017-03-20 15:38:04
○ 2026-02-18 22:53:42
● 2017-03-20 15:38:04
○ 2026-02-18 22:53:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| browntextbook.com | ns15.worldnic.com, ns16.worldnic.com | - |
✅ Authoritative Response
Server: 162.159.27.150
NS records: ns15.worldnic.com, ns16.worldnic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for browntextbook.com (unsigned zone)
⏱️ Timing
Total: 137ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns16.worldnic.com, ns15.worldnic.com |
| SOA | 1 | NS15.WORLDNIC.com namehost@WORLDNIC.com |
AI analysis
browntextbook.com is delegated to two name servers: ns15.worldnic.com and ns16.worldnic.com.
browntextbook.com uses the same name server setup as other domains, for instance fphnyc.org, indentiverse.com, pierpass.net, multi-development.de and speedqueenparts.com.
browntextbook.com partially shares name servers with other domains, for instance regsa.com.mx.
Host names with one IP number:
ns15.worldnic.com points to: 162.159.26.214.
ns16.worldnic.com points to: 162.159.27.150.