classtab.com - robtex.com
classtab.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 ⭐ | ||||||
| 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 | ||||||
| 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 | ||||||
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
Similar names
DNS History
13 records (4 active, 9 former)
○NSdpns1.dnsnameserver.org2015-07-12 → 2016-05-02 · 4 obs
● 2016-05-02 22:02:36
○ 2017-02-18 23:50:16
○ 2026-03-23 16:42:56
○NSdpns2.dnsnameserver.org2015-07-12 → 2016-05-02 · 4 obs
● 2016-05-02 22:02:36
○ 2017-02-18 23:50:16
○ 2026-03-23 16:42:56
○NSdpns3.dnsnameserver.org2015-07-12 → 2016-05-02 · 4 obs
● 2016-05-02 22:02:36
○ 2017-02-18 23:50:16
○ 2026-03-23 16:42:56
○NSdpns4.dnsnameserver.org2015-07-12 → 2016-05-02 · 4 obs
● 2016-05-02 22:02:36
○ 2017-02-18 23:50:16
○ 2026-03-23 16:42:56
●NSns1.afternic.com2026-02-28 → 2026-03-23 · 3 obs
● 2026-02-28 01:36:24
● 2026-03-23 16:42:56
○NSns111373.ztomy.com2017-02-18 → 2017-02-18 · 4 obs
● 2017-02-18 23:50:16
○ 2026-02-28 01:36:24
○ 2026-03-23 16:42:56
●NSns2.afternic.com2026-02-28 → 2026-03-23 · 3 obs
● 2026-02-28 01:36:24
● 2026-03-23 16:42:56
○NSns211373.ztomy.com2017-02-18 → 2017-02-18 · 4 obs
● 2017-02-18 23:50:16
○ 2026-02-28 01:36:24
○ 2026-03-23 16:42:56
●A13.248.169.482026-02-28 → 2026-03-23 · 3 obs
● 2026-02-28 01:36:24
● 2026-03-23 16:42:56
○A141.8.226.252017-02-18 → 2017-02-18 · 4 obs
● 2017-02-18 23:50:16
○ 2026-02-28 01:36:24
○ 2026-03-23 16:42:56
○A208.87.150.502015-07-12 → 2016-05-02 · 4 obs
● 2016-05-02 22:02:36
○ 2017-02-18 23:50:16
○ 2026-03-23 16:42:56
●A76.223.54.1462026-02-28 → 2026-03-23 · 3 obs
● 2026-02-28 01:36:24
● 2026-03-23 16:42:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| classtab.com | ns1.afternic.com, ns2.afternic.com | 4 records |
✅ Authoritative Response
Server:97.74.98.69
NS records: ns1.afternic.com, ns2.afternic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for classtab.com (unsigned zone)
⏱️ Timing
Total: 131ms | 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 | ns1.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
classtab.com resolves to two IP numbers: 13.248.169.48 and 76.223.54.146.
Other host names, for instance metrodeliver.com, myadssite.com, nullmx.mahfooz.com, heavypages.com and duravax.com share IP numbers with classtab.com.
Name Servers
classtab.com has two name servers: ns1.afternic.com and ns2.afternic.com.
classtab.com shares the same name server setup as other domains, for example mail.stevejacob.com, florida.today, refarm.net, ivyguide.com and gigagrind.com.
classtab.com shares some name servers with other domains, for example caucasusforum.org, vitalinvestors.com, completecarpentryservices.com, leaf.cafe and hyav.com.
These name servers are commonly used together with verification-gg7vpeozpqvekdkypuxhyb.ns101.verify.hn and verification-jfifgdovfkyzdyxvh69xmz.ns101.verify.hn.
Host names with two IP numbers:
ns1.afternic.com points to: 2603:5:2126::45 and 97.74.98.69; ns2.afternic.com points to: 2603:5:2226::45 and 173.201.66.69.