teachingtextbookswebversion.com - robtex.com
teachingtextbookswebversion.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 208.91.197.27🇻🇬 CONFLUENCE-NETWORK-INC208.91.197.0/24 Confluence Networks Route Object | ||||||
| NS | ns1.worldnic.com ⭐ | ||||||
| A | 162.159.26.110Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | powerdns-prod06.dc.tutum.co | ||||||
| NS | ns2.worldnic.com | ||||||
| A | 162.159.27.124Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| SOA | NS1.WORLDNIC.comnamehost@WORLDNIC.com serial=117081810 | ||||||
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=1777351576 | ||||||
Subdomains
DNS History
4 records (3 active, 1 former)
●NSns1.worldnic.com2017-05-09 → 2026-04-28 · 2 obs
● 2026-04-28 05:01:56
●NSns2.worldnic.com2017-05-09 → 2026-04-28 · 2 obs
● 2026-04-28 05:01:56
○MXp.webcom.ctmail.com2017-05-09 → 2017-05-09 · 2 obs
○ 2026-04-28 05:01:56
●A208.91.197.272017-05-09 → 2026-04-28 · 2 obs
● 2026-04-28 05:01:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | i.gtld-servers.net, h.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net... | - |
| teachingtextbookswebversion.com | ns1.worldnic.com, ns2.worldnic.com | 2 records |
✅ Authoritative Response
Server:162.159.26.110
NS records: ns1.worldnic.com, ns2.worldnic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for teachingtextbookswebversion.com (unsigned zone)
⏱️ Timing
Total: 200ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 208.91.197.27 |
| NS | 2 | ns2.worldnic.com, ns1.worldnic.com |
| SOA | 1 | NS1.WORLDNIC.com namehost.WORLDNIC.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.worldnic.com, ns2.worldnic.com)
Analysis
Hierarchy
teachingtextbookswebversion.com is a parent of api.teachingtextbookswebversion.com and www.teachingtextbookswebversion.com.
IP Addresses
teachingtextbookswebversion.com resolves to one IP number: 208.91.197.27.
other host names including sddc2.stevendale.com, powerlatinx.com, uninetw.com, ghpgroupulc.com and ns2.tomcoyner.com share IP numbers with teachingtextbookswebversion.com.
Name Servers
teachingtextbookswebversion.com is delegated to two name servers ns1.worldnic.com and ns2.worldnic.com.
teachingtextbookswebversion.com shares the same name server setup as other domains, for instance frankpatti.com, staarag.com, its-energyservices.com, drumalis.co.uk and hooleandco.com.
teachingtextbookswebversion.com at least partially shares name servers with other domains, for instance venturatoyota.com.
Host names with one IP number:
ns1.worldnic.com points to 162.159.26.110
ns2.worldnic.com points to 162.159.27.124