refn-tec.com - dns.ninja

refn-tec.com

DNSSEC⚠️ Not signed
NSns.vs.263idc.net ⭐ ⚠️ Not in parent delegation
A211.100.15.68πŸ‡¨πŸ‡³ CHINA-1211.100.15.0/24 China Telecom Beijing Co. Ltd.
PTRns.263idc.net
NSns.263idc.net ⚠️ Not in zone NS records
A211.100.15.68πŸ‡¨πŸ‡³ CHINA-1211.100.15.0/24 China Telecom Beijing Co. Ltd.
PTRns.263idc.net
NSnsb.263idc.net ⚠️ Not in zone NS records
A211.100.15.85πŸ‡¨πŸ‡³ CHINA-1211.100.15.0/24 China Telecom Beijing Co. Ltd.
PTRnsb.263idc.net.15.100.211.in-addr.arpa
NSnsb.vs.263idc.net ⚠️ Not in parent delegation
A211.100.15.85πŸ‡¨πŸ‡³ CHINA-1211.100.15.0/24 China Telecom Beijing Co. Ltd.
PTRnsb.263idc.net.15.100.211.in-addr.arpa
MXmxw.263.net ⭐
A143.110.227.31πŸ‡ΊπŸ‡Έ DIGITALOCEAN143.110.224.0/20 DigitalOcean
A164.92.126.242πŸ‡ΊπŸ‡Έ DIGITALOCEAN164.92.96.0/19 DigitalOcean
MXmx.263.net(10)
A38.83.106.84πŸ‡ΊπŸ‡Έ AS6319938.83.106.0/24 CS-34755
PTRus-mx1.263.net
A38.83.106.85πŸ‡ΊπŸ‡Έ AS6319938.83.106.0/24 CS-34755
PTRus-mx2.263.net
A143.110.227.31πŸ‡ΊπŸ‡Έ DIGITALOCEAN143.110.224.0/20 DigitalOcean
A164.92.126.242πŸ‡ΊπŸ‡Έ DIGITALOCEAN164.92.96.0/19 DigitalOcean
TXTv=spf1 include:spf.263.net -all
SOAns.vs.263idc.netroot@ns.vs.263idc.net serial=17

com

Same first word

Similar names

DNS History

6 records (6 active, 0 former)

201820192020202120222023202420252026NSns.263idc.netns.vs.263idc.netnsb.263idc.netnsb.vs.263idc.netMXmx.263.netmxw.263.net
●NSns.263idc.net2026-02-25 β†’ 2026-08-10 Β· 3 obs
β—‹ 2017-05-09 21:18:28
● 2026-02-25 20:36:36
● 2026-08-10 04:07:42
●NSns.vs.263idc.net2017-05-09 β†’ 2026-08-10 Β· 2 obs
● 2017-05-09 21:18:28
● 2026-08-10 04:07:42
●NSnsb.263idc.net2026-02-25 β†’ 2026-08-10 Β· 3 obs
β—‹ 2017-05-09 21:18:28
● 2026-02-25 20:36:36
● 2026-08-10 04:07:42
●NSnsb.vs.263idc.net2017-05-09 β†’ 2026-08-10 Β· 2 obs
● 2017-05-09 21:18:28
● 2026-08-10 04:07:42
●MXmx.263.net2017-05-09 β†’ 2026-08-10 Β· 2 obs
● 2017-05-09 21:18:28
● 2026-08-10 04:07:42
●MXmxw.263.net2017-05-09 β†’ 2026-08-10 Β· 2 obs
● 2017-05-09 21:18:28
● 2026-08-10 04:07:42

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
refn-tec.comns.263idc.net, nsb.263idc.net-

βœ… Authoritative Response

Server:211.100.15.68

NS records: ns.263idc.net, nsb.263idc.net

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for refn-tec.com (unsigned zone)

⏱️ Timing

Total: 989ms | Queries: -

πŸ“„ Records

TypeCountSample Data
NS2ns.vs.263idc.net, nsb.vs.263idc.net
MX2mx.263.net (pri: 10), mxw.263.net (pri: 5)
TXT1v=spf1 include:spf.263.net -all
SOA1ns.vs.263idc.net root.ns.vs.263idc.net

Analysis

Name Servers

The NS records for refn-tec.com point to four name servers: ns.263idc.net, nsb.263idc.net, ns.vs.263idc.net and nsb.vs.263idc.net.

refn-tec.com shares at least some of its name servers with other domains, including forboth.com, prsskj.com, oak-ind.com and two others.

These name servers are frequently paired with the name servers ns.263idc.com and nsb.263idc.com.

The four host names ns.263idc.net, nsb.263idc.net, ns.vs.263idc.net and nsb.vs.263idc.net each resolve to a single IP address. ns.263idc.net and ns.vs.263idc.net both point to 211.100.15.68, while nsb.263idc.net and nsb.vs.263idc.net both point to 211.100.15.85.

The host names ns.263idc.net and ns.vs.263idc.net both resolve to 211.100.15.68 IP addresses.

The host names nsb.263idc.net and nsb.vs.263idc.net both resolve to 211.100.15.85 IP addresses.

Mail Servers

refn-tec.com is served by two mail servers, mx.263.net and mxw.263.net.

Among the domains sharing a mail server setup with refn-tec.com are 01390.com, shengdengled.com, jnjlogis.com and two others.

refn-tec.com has at least some mail servers in common with other domains, such as coretests.cn, guang-xing.com, tus-sound.com and bestechsoft.com.

Host names that resolve to four IP numbers:

mx.263.net points to 38.83.106.84, 38.83.106.85, 143.110.227.31 and 164.92.126.242.

Host names that have two IP addresses:

mxw.263.net resolves to 143.110.227.31 and 164.92.126.242.

The host names mx.263.net and mxw.263.net both resolve to 143.110.227.31 IP addresses.

The host names mx.263.net and mxw.263.net both resolve to 164.92.126.242 IP addresses.