esfor.com - robtex.com
esfor.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 211.119.134.197🇰🇷 DACOM-NET211.119.0.0/16 | ||||||
| PTR | infacelecs.com | ||||||
| PTR | yujin-rail.com | ||||||
| PTR | chungsanknit.kr | ||||||
| PTR | intech21.net | ||||||
| PTR | ftp.yujin-rail.com | ||||||
| PTR | telnet.yujin-rail.com | ||||||
| PTR | infacelecs.co.kr | ||||||
| PTR | ycrope.co.kr | ||||||
| PTR | ysq.co.kr | ||||||
| PTR | yujinltd.co.kr | ||||||
| PTR | www.shinwooeng.co.kr | ||||||
| PTR | www.ysq.co.kr | ||||||
| NS | ns.sme.or.kr ⭐ | ||||||
| A | 211.119.134.198🇰🇷 DACOM-NET211.119.0.0/16 | ||||||
| NS | sns.sme.or.kr | ||||||
| A | 211.119.134.168🇰🇷 DACOM-NET211.119.0.0/16 | ||||||
| MX | sniper.gobizmail.com ⭐ | ||||||
| A | 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix | ||||||
| A | 2600:1f18:4ae:c606:78d4:4260:db4e:aeee🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix | ||||||
| A | 13.223.25.84🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix | ||||||
| PTR | ec2-13-223-25-84.compute-1.amazonaws.com | ||||||
| A | 54.243.117.197🇺🇸 Amazon54.242.0.0/15 EC2 IAD prefix | ||||||
| PTR | ec2-54-243-117-197.compute-1.amazonaws.com | ||||||
| TXT | v=spf1 include:_spf.gobizmail.com ~all | ||||||
| SOA | ns.sme.or.krroot@ns.sme.or.kr serial=20050117 | ||||||
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=1784302167 | ||||||
Same first word
Similar names
DNS History
5 records (4 active, 1 former)
○MXmail.gobizmail.com2015-06-03 → 2017-02-01 · 4 obs
● 2017-02-01 10:20:20
○ 2026-07-17 00:58:08
○ 2026-07-17 15:52:36
●MXsniper.gobizmail.com2026-07-17 → 2026-07-17 · 3 obs
● 2026-07-17 00:58:08
● 2026-07-17 15:52:36
●A211.119.134.1972015-06-03 → 2026-07-17 · 2 obs
● 2026-07-17 15:52:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| esfor.com | ns.sme.or.kr, sns.sme.or.kr | - |
✅ Authoritative Response
Server:211.119.134.168
NS records: ns.sme.or.kr, sns.sme.or.kr
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for esfor.com (unsigned zone)
⏱️ Timing
Total: 1184ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 211.119.134.197 |
| NS | 2 | ns.sme.or.kr, sns.sme.or.kr |
| MX | 1 | sniper.gobizmail.com (pri: 0) |
| TXT | 1 | v=spf1 include:_spf.gobizmail.com ~all |
| SOA | 1 | ns.sme.or.kr root.ns.sme.or.kr |
Analysis
IP Addresses
esfor.com resolves to just one IP address, 211.119.134.197.
Two other host names, along with jymc.net, gsf.co.kr and hyonik.co.kr, also share IP numbers with esfor.com.
Name Servers
esfor.com is served by two delegated name servers, ns.sme.or.kr and sns.sme.or.kr.
esfor.com shares its NS records with other domains, for example uti.kr, pvc-film.co.kr, bioptic.com and two others.
The name servers of esfor.com overlap at least partially with those of other domains — among them smem.co.kr, kbchem.co.kr, shinwontech.com and two more.
These name servers commonly appear alongside the name servers ns.smipc.or.kr and sns.smipc.or.kr.
Both ns.sme.or.kr and sns.sme.or.kr have a single IP address each — ns.sme.or.kr resolves to 211.119.134.198 while sns.sme.or.kr resolves to 211.119.134.168.
Mail Servers
The sole mail server for esfor.com is sniper.gobizmail.com.
Among the domains sharing a mail server setup with esfor.com are yejin.co.kr, tlcsoft.com, fusioneco.com and two others.
There is at least a partial MX overlap between esfor.com and other domains, including gobizkorea.com, ontheit.com, reputer.net and two others.
The mail servers aspmx.whoisworks.com, alf1.aspmx.whoisworks.com and alf2.aspmx.whoisworks.com are commonly used alongside these mail servers.
The hostname sniper.gobizmail.com resolves to the four IP addresses 13.223.25.84, 54.243.117.197, 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb and 2600:1f18:4ae:c606:78d4:4260:db4e:aeee.