hbschool.com - robtex.com
hbschool.com
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=1774473297 | ||||||
rank #333308 in the tld
WOT: SAFE (72/100)
Subdomains
www.hbschool.com |
Same first word
Similar names
DNS History
18 records (7 active, 11 former)
●NSns-1093.awsdns-08.org2026-03-25 → 2026-03-25 · 2 obs
● 2026-03-25 21:41:18
●NSns-1843.awsdns-38.co.uk2026-03-25 → 2026-03-25 · 2 obs
● 2026-03-25 21:41:18
●NSns-312.awsdns-39.com2026-03-25 → 2026-03-25 · 2 obs
● 2026-03-25 21:41:18
●NSns-515.awsdns-00.net2026-03-25 → 2026-03-25 · 2 obs
● 2026-03-25 21:41:18
○NSns1.hmco.com2015-08-25 → 2016-01-15 · 5 obs
● 2015-08-25 10:59:12
● 2016-01-15 14:08:24
○ 2016-01-30 15:03:28
○ 2026-03-25 21:41:18
○NSns1.lexis-nexis.com2007-10-22 → 2007-10-22 · 3 obs
○ 2015-08-25 10:59:12
○ 2026-03-25 21:41:18
○NSns1.spider-bridge.com2007-10-22 → 2007-10-22 · 3 obs
○ 2015-08-25 10:59:12
○ 2026-03-25 21:41:18
○NSns2.spider-bridge.com2007-10-22 → 2007-10-22 · 3 obs
○ 2015-08-25 10:59:12
○ 2026-03-25 21:41:18
○NSns5.hmco.com2015-08-25 → 2017-09-03 · 4 obs
● 2015-08-25 10:59:12
● 2017-09-03 07:15:24
○ 2026-03-25 21:41:18
○NSns6.hmco.com2015-08-25 → 2017-09-03 · 4 obs
● 2015-08-25 10:59:12
● 2017-09-03 07:15:24
○ 2026-03-25 21:41:18
○NSns7.hmco.com2015-08-25 → 2017-09-03 · 4 obs
● 2015-08-25 10:59:12
● 2017-09-03 07:15:24
○ 2026-03-25 21:41:18
○MXsmtp1.harcourt.com2007-10-22 → 2007-10-22 · 3 obs
○ 2015-08-25 10:59:12
○ 2026-03-25 21:41:18
○MXsmtp2.harcourt.com2007-10-22 → 2007-10-22 · 3 obs
○ 2015-08-25 10:59:12
○ 2026-03-25 21:41:18
●MXus-smtp-inbound-1.mimecast.com2015-08-25 → 2026-03-25 · 3 obs
● 2015-08-25 10:59:12
● 2026-03-25 21:41:18
●MXus-smtp-inbound-2.mimecast.com2015-08-25 → 2026-03-25 · 3 obs
● 2015-08-25 10:59:12
● 2026-03-25 21:41:18
○A155.44.227.1862015-08-25 → 2016-06-04 · 5 obs
● 2015-08-25 10:59:12
● 2016-06-04 18:29:54
○ 2016-06-26 04:25:18
○ 2026-03-25 21:41:18
○A206.208.110.1302007-10-22 → 2007-10-22 · 3 obs
○ 2015-08-25 10:59:12
○ 2026-03-25 21:41:18
●A209.235.125.1822016-06-26 → 2026-03-25 · 3 obs
● 2016-06-26 04:25:18
● 2026-03-25 21:41:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | m.gtld-servers.net, d.gtld-servers.net, g.gtld-servers.net, b.gtld-servers.net... | - |
| hbschool.com | ns-515.awsdns-00.net, ns-312.awsdns-39.com, ns-1093.awsdns-08.org, ns-1843.awsdns-38.co.uk | 1 record |
✅ Authoritative Response
Server:205.251.196.69
NS records: ns-515.awsdns-00.net, ns-312.awsdns-39.com, ns-1093.awsdns-08.org, ns-1843.awsdns-38.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for hbschool.com (unsigned zone)
⏱️ Timing
Total: 347ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 209.235.125.182 |
| NS | 4 | ns-1093.awsdns-08.org, ns-1843.awsdns-38.co.uk... |
| MX | 2 | us-smtp-inbound-1.mimecast.com (pri: 5), us-smtp-inbound-2.mimecast.com (pri: 5) |
| TXT | 2 | google-site-verification=9xAnKLlO-n0fb9i, google-site-verification=y-T5fCrnGirzCAy |
| SOA | 1 | ns-1093.awsdns-08.org awsdns-hostmaster. |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (ns-312.awsdns-39.com)
Analysis
Hierarchy
The parent of www.hbschool.com is hbschool.com.
IP Addresses
hbschool.com points to a single IP address: 209.235.125.182.
Other host names, such as harcourtschool.com and harcourtscience.com, share IP numbers with hbschool.com.
Name Servers
hbschool.com is delegated to four name servers: ns-312.awsdns-39.com, ns-515.awsdns-00.net, ns-1093.awsdns-08.org and ns-1843.awsdns-38.co.uk.
hbschool.com at least partially shares name servers with other domains, for example chproperties.ca, idmaint.eu, rivdom.de, enbw.cldnet.work and dhu0qhveboaqq.cloudfront.net.
Host names with two IP numbers:
ns-312.awsdns-39.com points to: 2600:9000:5301:3800::1 and 205.251.193.56
ns-515.awsdns-00.net points to: 2600:9000:5302:300::1 and 205.251.194.3
ns-1093.awsdns-08.org points to: 2600:9000:5304:4500::1 and 205.251.196.69
ns-1843.awsdns-38.co.uk points to: 2600:9000:5307:3300::1 and 205.251.199.51
Mail Servers
Two mail servers handle hbschool.com: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.
hbschool.com shares the same mail server setup as other domains, including andersonrealestate.com, jimenterprises.net, firstwesternbank.net, ahmins.com and mouritech.com.
hbschool.com shares at least partially some mail servers with other domains, for instance alwaysenpointe.com, parklawncemetery.net, bbwest.com, sidelinestore.com and twcma.com.
Two hosts with six IPs each. Host us-smtp-inbound-1.mimecast.com points to 170.10.128.141, 170.10.128.221, 170.10.128.242, 170.10.132.141, 170.10.132.221 and 170.10.132.242. Host us-smtp-inbound-2.mimecast.com points to the same six.
Hosts that point to 170.10.128.141: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.
Hosts that point to 170.10.128.221: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.
Hosts that point to 170.10.128.242: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.
Hosts that point to 170.10.132.141: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.
Hosts that point to 170.10.132.221: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.
Hosts that point to 170.10.132.242: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.