classoff.com - dns.ninja
classoff.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.248.243.5🇺🇸 Amazon13.248.240.0/20 | ||||||
| PTR | a16e665f42988324c.awsglobalaccelerator.com | ||||||
| A | 76.223.105.230🇺🇸 Amazon76.223.96.0/20 | ||||||
| NS | ns07.domaincontrol.com ⭐ | ||||||
| A | 2603:5:2170::4🇺🇸 GODADDY-DNS2603:5:2170::/44 | ||||||
| PTR | ns07.domaincontrol.com | ||||||
| A | 97.74.103.4🇺🇸 GODADDY-DNS97.74.102.0/23 | ||||||
| PTR | ns07.domaincontrol.com | ||||||
| NS | ns08.domaincontrol.com | ||||||
| A | 2603:5:2270::4🇺🇸 GODADDY-DNS2603:5:2270::/44 | ||||||
| PTR | ns08.domaincontrol.com | ||||||
| A | 173.201.71.4🇺🇸 GODADDY-DNS173.201.70.0/23 | ||||||
| PTR | ns08.domaincontrol.com | ||||||
| MX | mxa.mailgun.org ⭐ | ||||||
| A | 34.36.182.139🇺🇸 Google34.32.0.0/11 | ||||||
| PTR | 139.182.36.34.bc.googleusercontent.com | ||||||
| MX | mxb.mailgun.org ⭐ | ||||||
| A | 34.149.254.5🇺🇸 Google34.148.0.0/14 | ||||||
| PTR | 5.254.149.34.bc.googleusercontent.com | ||||||
| TXT | v=spf1 include:mailgun.org ~all | ||||||
| SOA | ns07.domaincontrol.comdns@jomax.net 2026-05-19 #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=1785878609 | ||||||
Same first word
classoff.com |
Similar names
DNS History
13 records (6 active, 7 former)
●NSns07.domaincontrol.com2026-05-13 → 2026-08-04 · 3 obs
● 2026-05-13 12:02:32
● 2026-08-04 21:39:08
●NSns08.domaincontrol.com2026-05-13 → 2026-08-04 · 3 obs
● 2026-05-13 12:02:32
● 2026-08-04 21:39:08
○NSns57.domaincontrol.com2015-06-12 → 2017-12-23 · 4 obs
● 2017-12-23 09:53:20
○ 2026-02-22 18:36:18
○ 2026-08-04 21:39:08
○NSns58.domaincontrol.com2015-06-12 → 2017-12-23 · 4 obs
● 2017-12-23 09:53:20
○ 2026-02-22 18:36:18
○ 2026-08-04 21:39:08
○MXmailstore1.secureserver.net2015-06-12 → 2017-12-23 · 4 obs
● 2017-12-23 09:53:20
○ 2026-02-22 18:36:18
○ 2026-08-04 21:39:08
●MXmxa.mailgun.org2026-07-17 → 2026-08-04 · 3 obs
● 2026-07-17 13:21:26
● 2026-08-04 21:39:08
●MXmxb.mailgun.org2026-07-17 → 2026-08-04 · 3 obs
● 2026-07-17 13:21:26
● 2026-08-04 21:39:08
○MXsmtp.secureserver.net2015-06-12 → 2017-12-23 · 4 obs
● 2017-12-23 09:53:20
○ 2026-02-22 18:36:18
○ 2026-08-04 21:39:08
●A13.248.243.52026-07-17 → 2026-08-04 · 3 obs
● 2026-07-17 13:21:26
● 2026-08-04 21:39:08
○A15.197.148.332026-05-13 → 2026-05-13 · 4 obs
● 2026-05-13 12:02:32
○ 2026-07-17 13:21:26
○ 2026-08-04 21:39:08
○A3.33.130.1902026-05-13 → 2026-05-13 · 4 obs
● 2026-05-13 12:02:32
○ 2026-07-17 13:21:26
○ 2026-08-04 21:39:08
○A50.63.202.322015-06-12 → 2017-12-23 · 4 obs
● 2017-12-23 09:53:20
○ 2026-02-22 18:36:18
○ 2026-08-04 21:39:08
●A76.223.105.2302026-07-17 → 2026-08-04 · 3 obs
● 2026-07-17 13:21:26
● 2026-08-04 21:39:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| classoff.com | ns07.domaincontrol.com, ns08.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:173.201.71.4
NS records: ns07.domaincontrol.com, ns08.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for classoff.com (unsigned zone)
⏱️ Timing
Total: 159ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 76.223.105.230, 13.248.243.5 |
| NS | 2 | ns07.domaincontrol.com, ns08.domaincontrol.com |
| MX | 2 | mxa.mailgun.org (pri: 60), mxb.mailgun.org (pri: 60) |
| TXT | 1 | v=spf1 include:mailgun.org ~all |
| SOA | 1 | ns07.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns07.domaincontrol.com, ns07.domaincontrol.com, ns08.domaincontrol.com...)
Analysis
IP Addresses
classoff.com resolves to the IP addresses 13.248.243.5 and 76.223.105.230
pixelbatch.com, owltreegames.com, securecrc.com plus two other host names have IP numbers in common with classoff.com.
Name Servers
DNS delegation for classoff.com points to two name servers: ns07.domaincontrol.com and ns08.domaincontrol.com.
The name server configuration of classoff.com is shared with other domains, for instance shopee.me, translated4you.com, mybiblereader.com and two others.
ns07.domaincontrol.com directs to 97.74.103.4 and 2603:5:2170::4. ns08.domaincontrol.com directs to 173.201.71.4 and 2603:5:2270::4. Each host name carries two IP addresses.
Mail Servers
classoff.com uses two mail servers, mxa.mailgun.org and mxb.mailgun.org.
The mail server setup of classoff.com matches that of other domains such as hippocriticoath.net, visse.rs, kinnisons.com and two others.
At least some of the mail servers used by classoff.com are shared with other domains: www.endpolionowguernseyshop.org, circasports.com, genuino.world and two others among them.
mxa.mailgun.org directs to 34.36.182.139 and mxb.mailgun.org directs to 34.149.254.5; each host name points to exactly one IP number.