`offi-smart.com`

DNSSEC	⚠️ Not signed
A	50.28.85.114^{🇺🇸 LiquidWeb50.28.64.0/19 Liquidweb Inc}
		PTR	`host8.estrasol.com.mx`
NS	`ns4.estrasol.com.mx` ⭐
		A	50.28.85.114^{🇺🇸 LiquidWeb50.28.64.0/19 Liquidweb Inc}
			PTR	`host8.estrasol.com.mx`
NS	`nsl4.estrasol.com.mx`
		A	50.28.85.114^{🇺🇸 LiquidWeb50.28.64.0/19 Liquidweb Inc}
			PTR	`host8.estrasol.com.mx`
MX	`offi-smart.com` ⭐
		A	50.28.85.114^{🇺🇸 LiquidWeb50.28.64.0/19 Liquidweb Inc}
			PTR	`host8.estrasol.com.mx`
SOA	`ns4.estrasol.com.mx`devnull@sourcedns.com 2026-03-26 #1

`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.net`nstld@verisign-grs.com serial=1774715302

MX for

offi-smart.com

Same first word

offi-smart.com

DNS History

7 records (4 active, 3 former)

○NSns1.bauerhost.com2015-05-15 → 2016-07-10 · 4 obs

● 2015-05-15 10:22:46
● 2016-07-10 01:03:54
○ 2017-03-16 02:46:52
○ 2026-03-28 16:38:10

○NSns2.bauerhost.com2015-05-15 → 2016-07-10 · 4 obs

● 2015-05-15 10:22:46
● 2016-07-10 01:03:54
○ 2017-03-16 02:46:52
○ 2026-03-28 16:38:10

●NSns4.estrasol.com.mx2017-03-16 → 2026-03-28 · 3 obs

○ 2016-07-10 01:03:54
● 2017-03-16 02:46:52
● 2026-03-28 16:38:10

●NSnsl4.estrasol.com.mx2017-03-16 → 2026-03-28 · 3 obs

○ 2016-07-10 01:03:54
● 2017-03-16 02:46:52
● 2026-03-28 16:38:10

●MXoffi-smart.com2015-05-15 → 2026-03-28 · 2 obs

● 2015-05-15 10:22:46
● 2026-03-28 16:38:10

●A50.28.85.1142026-02-18 → 2026-03-28 · 3 obs

○ 2017-03-16 02:46:52
● 2026-02-18 14:33:02
● 2026-03-28 16:38:10

○A66.155.0.1422015-05-15 → 2017-03-16 · 4 obs

● 2015-05-15 10:22:46
● 2017-03-16 02:46:52
○ 2026-02-18 14:33:02
○ 2026-03-28 16:38:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, l.gtld-servers.net, m.gtld-servers.net, f.gtld-servers.net...	-
offi-smart.com	ns4.estrasol.com.mx, nsl4.estrasol.com.mx	-

✅ Authoritative Response

Server:50.28.85.114

NS records: ns4.estrasol.com.mx, nsl4.estrasol.com.mx

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for offi-smart.com (unsigned zone)

⏱️ Timing

Total: 483ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`50.28.85.114`
NS	2	`nsl4.estrasol.com.mx, ns4.estrasol.com.mx`
MX	1	`offi-smart.com (pri: 0)`
SOA	1	`ns4.estrasol.com.mx devnull.sourcedns.co`

Analysis

Mail Server Role

offi-smart.com is the mail server for offi-smart.com.

IP Addresses

offi-smart.com resolves to a single IP: 50.28.85.114.

Other host names, for instance mytek.mx, cumminstepa.com, _dc-mx.48bddbd5c771.bikecity.com.mx, t4k.com.mx and codi.com.mx share IP numbers with offi-smart.com.

Name Servers

offi-smart.com has two name servers: ns4.estrasol.com.mx and nsl4.estrasol.com.mx.

offi-smart.com shares the same name server setup as other domains, for example host8.estrasol.com.mx, zoiresidencial.com.mx, garva.com.mx, cbej.org.mx and estrasol.mx.

offi-smart.com shares some name servers with other domains, for example uyeda.mx, roketti.com, chompys.com.mx, optimumcoating.com and zetina.net.

These name servers are commonly used alongside ns3.estrasol.com.mx, nsl3.estrasol.com.mx, ns3.estrasoldns.com.mx and nsl3.estrasoldns.com.mx.

Host names with one IP number:

ns4.estrasol.com.mx points to: 50.28.85.114

nsl4.estrasol.com.mx points to: 50.28.85.114

Names pointing to 50.28.85.114: ns4.estrasol.com.mx and nsl4.estrasol.com.mx

Mail Servers

One mail server handles offi-smart.com.

Host name offi-smart.com points to IP 50.28.85.114.

offi-smart.com - robtex.com

offi-smart.com

com