safe21.net - robtex.com
safe21.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 211.115.125.42🇰🇷 DACOM-NET211.115.64.0/18 contact irani@rapitel.co.kr if necessary | ||||||
| PTR | w1.dubuplus.com | ||||||
| PTR | project.yescall.com | ||||||
| NS | ns1.dubuplus.com ⭐ | ||||||
| A | 210.108.182.4🇰🇷 DACOM-NET210.108.0.0/16 contact noc@bora.net if necessary | ||||||
| PTR | ns2.yescall.com | ||||||
| PTR | nshost1.yescall.com | ||||||
| PTR | ns.yescall.co.kr | ||||||
| NS | ns2.dubuplus.com | ||||||
| A | 211.115.125.20🇰🇷 DACOM-NET211.115.64.0/18 contact irani@rapitel.co.kr if necessary | ||||||
| PTR | nshost2.yescall.com | ||||||
| PTR | ns.javip.co.kr | ||||||
| MX | mx3.dubumail.com ⭐ | ||||||
| A | 121.254.210.160🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary | ||||||
| MX | mx4.dubumail.com(100) | ||||||
| A | 211.115.67.244🇰🇷 DACOM-NET211.115.64.0/18 contact irani@rapitel.co.kr if necessary | ||||||
| PTR | mx4.dubumail.com | ||||||
| TXT | v=spf1 ip4:211.115.67.218 ip4:61.111.59.111 ip4:211.115.125.28 ip4:211.115.12... | ||||||
| SOA | ns1.dubuplus.comhostmaster@safe21.net serial=1773637770 | ||||||
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=1774443707 | ||||||
Same first word
safe21.net |
DNS History
9 records (5 active, 4 former)
●NSns1.dubuplus.com2017-04-10 → 2026-03-25 · 3 obs
● 2017-04-10 20:21:18
● 2026-03-25 13:14:18
○NSns1.dubuweb.com2015-06-18 → 2016-04-23 · 6 obs
○ 2015-10-29 05:25:04
● 2015-12-11 20:33:00
● 2016-04-23 15:25:40
○ 2017-04-10 20:21:18
○ 2026-03-25 13:14:18
●NSns2.dubuplus.com2017-04-10 → 2026-03-25 · 3 obs
● 2017-04-10 20:21:18
● 2026-03-25 13:14:18
○NSns2.dubuweb.com2015-06-18 → 2016-04-23 · 6 obs
○ 2015-10-29 05:25:04
● 2015-12-11 20:33:00
● 2016-04-23 15:25:40
○ 2017-04-10 20:21:18
○ 2026-03-25 13:14:18
●MXmx3.dubumail.com2015-06-18 → 2026-03-25 · 4 obs
○ 2015-10-29 05:25:04
● 2015-12-11 20:33:00
● 2026-03-25 13:14:18
●MXmx4.dubumail.com2015-06-18 → 2026-03-25 · 4 obs
○ 2015-10-29 05:25:04
● 2015-12-11 20:33:00
● 2026-03-25 13:14:18
●A211.115.125.422026-03-21 → 2026-03-25 · 3 obs
● 2026-03-21 10:01:18
● 2026-03-25 13:14:18
○A211.115.125.552017-04-10 → 2017-04-10 · 4 obs
● 2017-04-10 20:21:18
○ 2026-03-21 10:01:18
○ 2026-03-25 13:14:18
○A61.111.59.842015-06-18 → 2016-04-23 · 6 obs
○ 2015-10-29 05:25:04
● 2015-12-11 20:33:00
● 2016-04-23 15:25:40
○ 2017-04-10 20:21:18
○ 2026-03-25 13:14:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | m.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net... | - |
| safe21.net | ns1.dubuplus.com, ns2.dubuplus.com | - |
✅ Authoritative Response
Server:211.115.125.20
NS records: ns1.dubuplus.com, ns2.dubuplus.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for safe21.net (unsigned zone)
⏱️ Timing
Total: 1076ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 211.115.125.42 |
| NS | 2 | ns1.dubuplus.com, ns2.dubuplus.com |
| MX | 2 | mx3.dubumail.com (pri: 0), mx4.dubumail.com (pri: 100) |
| TXT | 1 | v=spf1 ip4:211.115.67.218 ip4:61.111.59. |
| SOA | 1 | ns1.dubuplus.com hostmaster.safe21.net |
Analysis
IP Addresses
safe21.net points to a single IP number: 211.115.125.42.
Other host names, for instance hanbijeun.com, cupipe.com, donghwakids.com, ardexsd.com and icamkorea.com share IP numbers with safe21.net.
Name Servers
safe21.net is delegated to two name servers: ns1.dubuplus.com and ns2.dubuplus.com.
safe21.net uses the same name server setup as other domains, for instance dm7904.co.kr, dubupl.me, dsglobal.net, hana2677.com and tarapaper.co.kr.
safe21.net shares name servers with other domains at least partially, for instance javip.co.kr, ddpanel.com, dongsan.biz, top-enc.com and vitachemical.com.
Host names with one IP number:
ns1.dubuplus.com points to: 210.108.182.4.
ns2.dubuplus.com points to: 211.115.125.20.
Mail Servers
safe21.net is handled by two mail servers: mx3.dubumail.com and mx4.dubumail.com.
safe21.net shares the same mail server setup as other domains, including haemoro.net, sunjintour.net, dccenter.co.kr, sunhak.com and siniltax.com.
safe21.net shares some mail servers with other domains, including dubumail.com, welltech.kr, munjung.net, howonwater.com and hanneng.co.kr.
Host names with one IP number:
mx3.dubumail.com points to: 121.254.210.160.
mx4.dubumail.com points to: 211.115.67.244.