mail.textbookhouse.com - robtex.com
mail.textbookhouse.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 | ns1.afternic.com ⭐ ⚠️ Not in parent delegation | ||||||
| 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 | ns2.afternic.com ⚠️ Not in parent delegation | ||||||
| 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 | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns1.afternic.comdns@jomax.net serial=1 | ||||||
textbookhouse.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.248.169.48🇺🇸 Amazon13.248.160.0/20 | ||||||
| A | 76.223.54.146🇺🇸 Amazon76.223.48.0/20 | ||||||
| NS | ns2.afternic.com ⭐ | ||||||
| NS | ns1.afternic.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns2.afternic.comdns@jomax.net serial=1 | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSns1.afternic.com2026-03-06 → 2026-04-11 · 2 obs
● 2026-04-11 23:48:26
●NSns2.afternic.com2026-03-06 → 2026-04-11 · 2 obs
● 2026-04-11 23:48:26
●A13.248.169.482026-03-06 → 2026-04-11 · 2 obs
● 2026-04-11 23:48:26
●A76.223.54.1462026-03-06 → 2026-04-11 · 2 obs
● 2026-04-11 23:48:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| textbookhouse.com | ns1.afternic.com, ns2.afternic.com | 4 records |
✅ Authoritative Response
Server:173.201.66.69
NS records: ns1.afternic.com, ns2.afternic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for textbookhouse.com (unsigned zone)
⏱️ Timing
Total: 99ms | 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 | ns2.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
mail.textbookhouse.com points to two IP numbers: 13.248.169.48 and 76.223.54.146.
Other host names, for instance www.bhughes.com, www.linkupcrm.com, www.my01.com, 7wt.net and ns2.famecaster.com share IP numbers with mail.textbookhouse.com.
Name Servers
mail.textbookhouse.com is delegated to two name servers: ns1.afternic.com and ns2.afternic.com.
mail.textbookhouse.com uses the same name server setup as other domains, for instance ns2.spryly.flyipp.com, web3ids.com, puppyla.com, kudosdesigns.com and metand.com.
mail.textbookhouse.com shares name servers with other domains at least partially, for instance allas.us, asapbusinesssolutions.com, globalshop.me, nextodo.com and granttheory.com.
these name servers are often used with verification-d3jclucsp89ganyqbydeny.ns101.verify.hn, verification-ag3xtxqjhqhiyarqdrht2l.ns101.verify.hn and verification-m3erh32ujyoastvophjvuz.ns101.verify.hn.
Host names with two IP numbers:
The host ns1.afternic.com points to 2603:5:2126::45 and 97.74.98.69.
The host ns2.afternic.com points to 2603:5:2226::45 and 173.201.66.69.