mx.studykorean.com - dns.ninja
mx.studykorean.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 51.195.17.68🇫🇷 OVH51.195.0.0/16 | ||||||
| PTR | ns7.expirationwarning.net | ||||||
| NS | ns3.expirationwarning.net ⭐ ⚠️ Not in parent delegation | ||||||
| A | 51.161.21.1🇨🇦 OVH51.161.0.0/17 Hosting route | ||||||
| PTR | ns3.expirationwarning.net | ||||||
| NS | ns7.expirationwarning.net ⚠️ Not in parent delegation | ||||||
| A | 51.195.17.68🇫🇷 OVH51.195.0.0/16 | ||||||
| PTR | ns7.expirationwarning.net | ||||||
| SOA | ns3.expirationwarning.nethostmaster@expirationwarning.net 2026-08-03 #0 | ||||||
studykorean.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 51.161.21.1🇨🇦 OVH51.161.0.0/17 Hosting route | ||||||
| NS | ns3.expirationwarning.net ⭐ | ||||||
| NS | ns7.expirationwarning.net | ||||||
| SOA | ns3.expirationwarning.nethostmaster@expirationwarning.net 2026-08-03 #0 | ||||||
Same first word
Similar names
xm.mk |
xm.la |
xm.com |
xm.biz |
xm.media |
xm.fyi |
xm.pe |
xm.wtf |
xm.nl |
xm.app |
xm.cn |
xm.gov.cn |
xm.city |
xm.ca |
xm.ee |
xm.ae |
xm.lc |
xm.chat |
xm.life |
xm.net |
xm.cm |
xm.ke |
xm.co |
xm.com.cn |
xm.co.za |
DNS History
7 records (3 active, 4 former)
●NSns3.expirationwarning.net2026-02-21 → 2026-08-04 · 2 obs
● 2026-08-04 05:47:52
●NSns7.expirationwarning.net2026-02-21 → 2026-08-04 · 2 obs
● 2026-08-04 05:47:52
○A51.161.21.12026-03-19 → 2026-06-03 · 16 obs
○ 2026-02-24 14:27:56
● 2026-03-19 05:58:30
○ 2026-03-20 10:37:28
● 2026-03-20 17:01:42
○ 2026-03-22 23:54:18
○ 2026-05-25 18:16:22
● 2026-05-27 12:28:20
○ 2026-05-28 17:28:34
● 2026-05-29 11:21:32
● 2026-06-01 18:45:24
○ 2026-06-02 17:48:04
● 2026-06-03 13:08:44
● 2026-06-03 21:33:22
○ 2026-06-04 04:56:12
○ 2026-08-04 05:47:52
●A51.195.17.682026-02-21 → 2026-08-04 · 17 obs
● 2026-02-21 06:40:28
● 2026-02-24 14:27:56
○ 2026-03-19 05:58:30
● 2026-03-20 10:37:28
○ 2026-03-20 17:01:42
● 2026-03-22 23:54:18
● 2026-05-25 18:16:22
○ 2026-05-27 12:28:20
● 2026-05-28 17:28:34
○ 2026-05-29 11:21:32
○ 2026-06-01 18:45:24
● 2026-06-02 17:48:04
○ 2026-06-03 13:08:44
○ 2026-06-03 21:33:22
● 2026-06-04 04:56:12
● 2026-08-04 05:47:52
○A65.254.254.502019-04-25 → 2019-04-25 · 3 obs
○ 2026-02-21 06:40:28
○ 2026-08-04 05:47:52
○A65.254.254.512019-04-25 → 2019-04-25 · 3 obs
○ 2026-02-21 06:40:28
○ 2026-08-04 05:47:52
○A65.254.254.522019-04-25 → 2019-04-25 · 3 obs
○ 2026-02-21 06:40:28
○ 2026-08-04 05:47:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| studykorean.com | ns3.expirationwarning.net, ns7.expirationwarning.net | - |
✅ Authoritative Response
Server:51.195.17.68
NS records: ns3.expirationwarning.net, ns7.expirationwarning.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for studykorean.com (unsigned zone)
⏱️ Timing
Total: 502ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 51.161.21.1 |
| NS | 2 | ns7.expirationwarning.net, ns3.expirationwarning.net |
| SOA | 1 | ns3.expirationwarning.net hostmaster.exp |
Analysis
IP Addresses
mx.studykorean.com has exactly one IP address — 51.195.17.68.
0118899.com, shearscity.com, mail.rome-sourcing.com plus two other host names have IP numbers in common with mx.studykorean.com.
Name Servers
The NS records for mx.studykorean.com delegate to ns3.expirationwarning.net and ns7.expirationwarning.net.
The name server configuration of mx.studykorean.com is shared with other domains, for instance www.gjssr.com, reverendnutjob.com, ns2.mylt7.com and two others.
mx.studykorean.com has a partial name server overlap with other domains — among them mail.hz-online.net and recd.net.
ns3.expirationwarning.net directs to 51.161.21.1 and ns7.expirationwarning.net directs to 51.195.17.68; each host name points to exactly one IP number.