gmcedu.org - robtex.com
gmcedu.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 222.122.86.253🇰🇷 KT-NET222.122.0.0/16 Korea Telecom, Seoul, Korea | ||||||
| NS | gmcedu.org ⭐ | ||||||
| A | 222.122.86.253🇰🇷 KT-NET222.122.0.0/16 Korea Telecom, Seoul, Korea | ||||||
| NS | ns.gethompy.com ⚠️ Not in zone NS records | ||||||
| A | 218.145.65.143🇰🇷 KT-NET218.144.0.0/13 KORnet Powered BY Korea Telecom | ||||||
| NS | ns.gmcedu.org ⚠️ Not in parent delegation | ||||||
| A | 218.145.65.143🇰🇷 KT-NET218.144.0.0/13 KORnet Powered BY Korea Telecom | ||||||
| NS | ns1.gethompy.com ⚠️ Not in zone NS records | ||||||
| A | 116.126.143.226🇰🇷 SKB-NET116.126.0.0/16 SK Broadband | ||||||
| NS | ns1.gmcedu.org ⚠️ Not in parent delegation | ||||||
| A | 116.126.143.226🇰🇷 SKB-NET116.126.0.0/16 SK Broadband | ||||||
| NS | ns2.gethompy.com ⚠️ Not in zone NS records | ||||||
| A | 218.145.65.144🇰🇷 KT-NET218.144.0.0/13 KORnet Powered BY Korea Telecom | ||||||
| NS | ns2.gmcedu.org ⚠️ Not in parent delegation | ||||||
| A | 218.145.65.144🇰🇷 KT-NET218.144.0.0/13 KORnet Powered BY Korea Telecom | ||||||
| NS | ns3.gethompy.com ⚠️ Not in zone NS records | ||||||
| A | 116.126.143.225🇰🇷 SKB-NET116.126.0.0/16 SK Broadband | ||||||
| NS | ns3.gmcedu.org ⚠️ Not in parent delegation | ||||||
| A | 116.126.143.225🇰🇷 SKB-NET116.126.0.0/16 SK Broadband | ||||||
| MX | rmw-002.fmcity.com ⭐ | ||||||
| A | 211.34.104.37🇰🇷 KT-NET211.34.104.0/24 | ||||||
| PTR | rmw-002.fmcity.com | ||||||
| TXT | v=spf1 ip4:211.34.104.37 ~all | ||||||
| SOA | gmcedu.orgpostmaster@gmcedu.org serial=20231024 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1785036593 | ||||||
NS for
gmcedu.org |
Subdomains
Same first word
Similar names
DNS History
11 records (11 active, 0 former)
●NSgmcedu.org2026-05-06 → 2026-07-26 · 2 obs
● 2026-07-26 03:36:28
●NSns.gethompy.com2026-05-06 → 2026-07-26 · 2 obs
● 2026-07-26 03:36:28
●NSns.gmcedu.org2026-05-06 → 2026-07-26 · 2 obs
● 2026-07-26 03:36:28
●NSns1.gethompy.com2026-05-06 → 2026-07-26 · 2 obs
● 2026-07-26 03:36:28
●NSns1.gmcedu.org2026-05-06 → 2026-07-26 · 2 obs
● 2026-07-26 03:36:28
●NSns2.gethompy.com2026-05-06 → 2026-07-26 · 2 obs
● 2026-07-26 03:36:28
●NSns2.gmcedu.org2026-05-06 → 2026-07-26 · 2 obs
● 2026-07-26 03:36:28
●NSns3.gethompy.com2026-05-06 → 2026-07-26 · 2 obs
● 2026-07-26 03:36:28
●NSns3.gmcedu.org2026-05-06 → 2026-07-26 · 2 obs
● 2026-07-26 03:36:28
●MXrmw-002.fmcity.com2026-05-06 → 2026-07-26 · 2 obs
● 2026-07-26 03:36:28
●A222.122.86.2532026-05-06 → 2026-07-26 · 2 obs
● 2026-07-26 03:36:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| gmcedu.org | ns1.gethompy.com, ns.gethompy.com, ns3.gethompy.com, ns2.gethompy.com | - |
✅ Authoritative Response
Server:218.145.65.144
NS records: ns1.gethompy.com, ns.gethompy.com, ns3.gethompy.com, ns2.gethompy.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for gmcedu.org (unsigned zone)
⏱️ Timing
Total: 1856ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 222.122.86.253 |
| NS | 4 | ns3.gmcedu.org, ns.gmcedu.org... |
| MX | 1 | rmw-002.fmcity.com (pri: 10) |
| TXT | 1 | v=spf1 ip4:211.34.104.37 ~all |
| SOA | 1 | gmcedu.org postmaster.gmcedu.org |
Analysis
Hierarchy
www.gmcedu.org, ns3.gmcedu.org, ns2.gmcedu.org, ns.gmcedu.org and ns1.gmcedu.org each fall under the parent domain gmcedu.org.
Name Server Role
gmcedu.org acts as a name server for gmcedu.org, meaning it is self-referentially delegated.
gmcedu.org is commonly paired with ns1.gethompy.com, ns2.gethompy.com and ns3.gethompy.com to act as name servers.
IP Addresses
gmcedu.org resolves to one IP address: 222.122.86.253.
ichunghan.co.kr, kentq.com, sjmholdings.co.kr and two other host names share IP numbers with gmcedu.org.
Name Servers
gmcedu.org is authoritative under 9 name servers: gmcedu.org, ns1.gethompy.com, ns2.gethompy.com and 6 more.
gmcedu.org partially shares its NS delegation with several other domains, including js-smile.co.kr, wjst.kr, purplemass.org and two others.
These name servers often co-occur with the name servers ns.gethompy.com.
Hosts with just one IP address:
gmcedu.org points to 222.122.86.253.
ns1.gethompy.com points to 116.126.143.226.
ns2.gethompy.com points to 218.145.65.144.
ns3.gethompy.com points to 116.126.143.225.
ns.gethompy.com points to 218.145.65.143.
ns1.gmcedu.org points to 116.126.143.226.
ns2.gmcedu.org points to 218.145.65.144.
ns3.gmcedu.org points to 116.126.143.225.
ns.gmcedu.org points to 218.145.65.143.
ns1.gethompy.com and ns1.gmcedu.org are host names that each point to 116.126.143.226 IP addresses.
ns2.gethompy.com and ns2.gmcedu.org are host names that each point to 218.145.65.144 IP addresses.
ns3.gethompy.com and ns3.gmcedu.org are host names that each point to 116.126.143.225 IP addresses.
ns.gethompy.com and ns.gmcedu.org are host names that each point to 218.145.65.143 IP addresses.
Mail Servers
Mail for gmcedu.org is handled by a single mail server, rmw-002.fmcity.com.
gmcedu.org uses an identical mail server configuration to several other domains — among them jjk.kr, sonictech.co.kr, keindt.com and two more.
The MX records for gmcedu.org are at least partially shared with other domains, such as assist.or.kr, sc-min.com, yoelwon.kr and cellegain.com.
rmw-002.fmcity.com resolves to a single IP number: 211.34.104.37.