reffice.net - robtex.com
reffice.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 221.139.50.17🇰🇷 SKB-NET221.138.0.0/15 SK Broadband | ||||||
| NS | ad2.reffice.net ⭐ | ||||||
| A | 221.139.50.30🇰🇷 SKB-NET221.138.0.0/15 SK Broadband | ||||||
| NS | ad.reffice.net | ||||||
| A | 221.139.50.17🇰🇷 SKB-NET221.138.0.0/15 SK Broadband | ||||||
| MX | mail.reffice.net ⭐ | ||||||
| A | 221.139.50.17🇰🇷 SKB-NET221.138.0.0/15 SK Broadband | ||||||
| TXT | "v=spf1 mx include:mailplug.com ~all" | ||||||
| SOA | ad.reffice.nethostmaster serial=263 | ||||||
net
| 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=1774887262 | ||||||
Subdomains
Same first word
reffice.net |
Similar names
DNS History
4 records (4 active, 0 former)
●NSad.reffice.net2015-05-18 → 2026-03-30 · 2 obs
● 2026-03-30 16:32:46
●NSad2.reffice.net2015-05-18 → 2026-03-30 · 2 obs
● 2026-03-30 16:32:46
●MXmail.reffice.net2026-02-15 → 2026-03-30 · 2 obs
● 2026-03-30 16:32:46
●A221.139.50.172015-05-18 → 2026-03-30 · 2 obs
● 2026-03-30 16:32:46
🔍 DNS Trace
Analysis
Hierarchy
reffice.net is a parent of ad2.reffice.net, mail.reffice.net and ad.reffice.net.
IP Addresses
reffice.net resolves to a single IP address: 221.139.50.17.
Other host names, such as mail.reffice.net and ad.reffice.net, share IP numbers with reffice.net.
Name Servers
reffice.net's delegation uses two name servers, ad2.reffice.net and ad.reffice.net.
reffice.net uses the same name server setup as other domains such as fusokorea.com and nuclearenergykorea.com.
reffice.net partially shares its name servers with other domains, for example smsc.co.kr and busanicc.or.kr.
Host names with a single IP:
ad2.reffice.net points to 221.139.50.30.
ad.reffice.net points to 221.139.50.17.
Mail Servers
reffice.net is handled by a single mail server, mail.reffice.net.
mail.reffice.net points to a single IP: 221.139.50.17.