tjohncollege.com - robtex.com
tjohncollege.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=1771291435 | ||||||
Same first word
tjohncollege.com |
DNS History
9 records (4 active, 5 former)
●NSns1.softlayer.com2026-03-09 → 2026-03-09 · 3 obs
● 2026-03-09 08:42:08
● 2026-03-09 08:42:12
●NSns2.softlayer.com2026-03-09 → 2026-03-09 · 3 obs
● 2026-03-09 08:42:08
● 2026-03-09 08:42:12
○NSpdns01.domaincontrol.com2015-07-18 → 2017-06-27 · 4 obs
● 2017-06-27 18:24:26
○ 2026-03-09 08:42:08
○ 2026-03-09 08:42:12
○NSpdns02.domaincontrol.com2015-07-18 → 2017-06-27 · 4 obs
● 2017-06-27 18:24:26
○ 2026-03-09 08:42:08
○ 2026-03-09 08:42:12
○MXmailstore1.asia.secureserver.net2015-07-18 → 2017-06-27 · 4 obs
● 2017-06-27 18:24:26
○ 2026-03-09 08:42:08
○ 2026-03-09 08:42:12
○MXsmtp.asia.secureserver.net2015-07-18 → 2017-06-27 · 4 obs
● 2017-06-27 18:24:26
○ 2026-03-09 08:42:08
○ 2026-03-09 08:42:12
●MXtjohncollege-com.mail.protection.outlook.com2026-03-09 → 2026-03-09 · 3 obs
● 2026-03-09 08:42:08
● 2026-03-09 08:42:12
●A161.202.188.202026-03-09 → 2026-03-09 · 3 obs
● 2026-03-09 08:42:08
● 2026-03-09 08:42:12
○A203.124.114.12015-07-18 → 2017-06-27 · 4 obs
● 2017-06-27 18:24:26
○ 2026-03-09 08:42:08
○ 2026-03-09 08:42:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| tjohncollege.com | ns2.softlayer.com, ns1.softlayer.com | 4 records |
✅ Authoritative Response
Server: 67.228.255.5
NS records: ns2.softlayer.com, ns1.softlayer.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tjohncollege.com (unsigned zone)
⏱️ Timing
Total: 123ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 161.202.188.20 |
| NS | 2 | ns2.softlayer.com, ns1.softlayer.com |
| MX | 1 | tjohncollege-com.mail.protection.outlook |
| TXT | 6 | MS=ms56382300, 8cie74nj218ubtt6scvj9lpfb... |
| SOA | 1 | ns1.softlayer.com root.tjohncollege.com |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns2.softlayer.com, ns2.softlayer.com, ns1.softlayer.com...)
Analysis
IP Addresses
tjohncollege.com resolves to a single IP address: 161.202.188.20.
Other host names, for instance 14.bc.caa1.ip4.static.sl-reverse.com, share IP numbers with tjohncollege.com.
Name Servers
tjohncollege.com's delegation uses two name servers, ns1.softlayer.com and ns2.softlayer.com.
tjohncollege.com shares the same name server setup as other domains, for example linkresearchtools.com.au, nafeezahmed.com, estacionamento.com.br, forex-arabic.com and famdocpac.org.
tjohncollege.com at least partially shares name servers with other domains, including d3.78ae.static.theplanet.com, 58.7bae.static.theplanet.com, popstats.com, 221.133.174.in-addr.arpa and dreamplay.com.
These name servers are commonly used with ns3.arpa.networklayer.com, ns4.arpa.networklayer.com, ns1.theplanet.com, ns2.theplanet.com, dns1.vps.net, ns1.extns.net and ns2.extns.net.
Host names with two IPs:
ns1.softlayer.com points to: 2607:f0d0:0:f:1::1 and 67.228.254.4
ns2.softlayer.com points to: 2607:f0d0:0:f:2::1 and 67.228.255.5
Mail Servers
tjohncollege.com is handled by a single mail server, tjohncollege-com.mail.protection.outlook.com.
tjohncollege-com.mail.protection.outlook.com resolves to six IPs: 2a01:111:f403:cc09::, 2a01:111:f403:cc1a::8, 2a01:111:f403:cc1f::4, 52.101.124.117, 52.101.137.0 and 52.101.157.80.