esfor.com - dns.ninja
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=1785731547 | ||||||
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
○ 2026-08-03 04:37:30
●MXsniper.gobizmail.com2026-07-17 → 2026-08-03 · 3 obs
● 2026-07-17 00:58:08
● 2026-08-03 04:37:30
●A211.119.134.1972015-06-03 → 2026-08-03 · 2 obs
● 2026-08-03 04:37:30
🔍 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:211.119.134.198
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: 1232ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 211.119.134.197 |
| NS | 2 | sns.sme.or.kr, ns.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 one IP address: 211.119.134.197.
jymc.net, gsf.co.kr, hyonik.co.kr and two other host names share IP numbers with esfor.com.
Name Servers
esfor.com is delegated to two name servers: ns.sme.or.kr and sns.sme.or.kr.
esfor.com uses the same name servers as several other domains — among them uti.kr, pvc-film.co.kr, bioptic.com and two more.
esfor.com shares at least some of its name servers with other domains, including kbchem.co.kr, shinwontech.com, kipc.co.kr and two others.
These name servers are frequently paired with the name servers ns.smipc.or.kr and sns.smipc.or.kr.
ns.sme.or.kr and sns.sme.or.kr each resolve to one IP number: ns.sme.or.kr points to 211.119.134.198 and sns.sme.or.kr points to 211.119.134.168.
Mail Servers
Mail for esfor.com is handled by a single mail server, sniper.gobizmail.com.
esfor.com uses an identical mail server configuration to several other domains — among them yejin.co.kr, tlcsoft.com, fusioneco.com and two more.
esfor.com has at least partial mail server overlap with other domains such as gobizkorea.com, reputer.net, jilkyungyee.co.kr and two more.
These mail servers are frequently paired with the mail servers aspmx.whoisworks.com, alf1.aspmx.whoisworks.com and alf2.aspmx.whoisworks.com.
sniper.gobizmail.com has 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.