`simplemobilebyop.com`

DNSSEC	⚠️ Not signed
A	204.74.99.100^{🇺🇸 MAINT-ID-12008204.74.99.0/24 Neustar}
		PTR	`crs.ultradns.net`
NS	`ns43.domaincontrol.com` ⭐
		A	2603:5:2152::16^{🇺🇸 GODADDY-DNS2603:5:2150::/44}
			PTR	`ns43.domaincontrol.com`
		A	97.74.101.22^{🇺🇸 GODADDY-DNS97.74.100.0/23}
			PTR	`ns43.domaincontrol.com`
NS	`sdns26.ultradns.biz`
		A	2610:a1:1003::1a^{🇺🇸 MAINT-ID-120082610:a1:1003::/48 Neustar}
			PTR	`sdns26.ultradns.biz`
		A	156.154.142.26^{🇺🇸 MAINT-ID-12008156.154.142.0/24 Neustar}
			PTR	`sdns26.ultradns.biz`
NS	`sdns26.ultradns.com`
		A	2610:a1:1001::1a^{🇺🇸 MAINT-ID-120082610:a1:1001::/48 Neustar}
			PTR	`sdns26.ultradns.com`
		A	156.154.140.26^{🇺🇸 MAINT-ID-12008156.154.140.0/24 Neustar}
			PTR	`sdns26.ultradns.com`
NS	`sdns26.ultradns.net`
		A	2610:a1:1002::1a^{🇺🇸 MAINT-ID-120082610:a1:1002::/48 Neustar}
			PTR	`sdns26.ultradns.net`
		A	156.154.141.26^{🇺🇸 MAINT-ID-12008156.154.141.0/24 Neustar}
			PTR	`sdns26.ultradns.net`
NS	`sdns26.ultradns.org`
		A	2610:a1:1004::1a^{🇺🇸 MAINT-ID-120082610:a1:1004::/48 Neustar}
			PTR	`sdns26.ultradns.org`
		A	156.154.143.26^{🇺🇸 MAINT-ID-12008156.154.143.0/24 Neustar}
			PTR	`sdns26.ultradns.org`
MX	`smtp.secureserver.net` ⭐
		A	216.69.141.71^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp01-v01.prod.phx3.secureserver.net`
		A	216.69.141.84^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp02-v01.prod.phx3.secureserver.net`
		A	216.69.141.113^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp03-v01.prod.phx3.secureserver.net`
MX	`mailstore1.secureserver.net`⁽¹⁰⁾
		A	216.69.141.78^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp01-v02.prod.phx3.secureserver.net`
		A	216.69.141.114^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp03-v02.prod.phx3.secureserver.net`
		A	216.69.141.162^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp02-v02.prod.phx3.secureserver.net`
SOA	`ns43.domaincontrol.com`dns@jomax.net 2021-10-17 #4

`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=1778426721

Same first word

simplemobilebyop.com

DNS History

10 records (8 active, 2 former)

●NSns43.domaincontrol.com2015-08-17 → 2026-05-10 · 2 obs

● 2015-08-17 01:18:34
● 2026-05-10 15:31:42

○NSns44.domaincontrol.com2015-08-17 → 2017-03-13 · 4 obs

● 2015-08-17 01:18:34
● 2017-03-13 21:35:04
○ 2026-05-03 18:53:56
○ 2026-05-10 15:31:42

●NSsdns26.ultradns.biz2026-05-03 → 2026-05-10 · 3 obs

○ 2017-03-13 21:35:04
● 2026-05-03 18:53:56
● 2026-05-10 15:31:42

●NSsdns26.ultradns.com2026-05-03 → 2026-05-10 · 3 obs

○ 2017-03-13 21:35:04
● 2026-05-03 18:53:56
● 2026-05-10 15:31:42

●NSsdns26.ultradns.net2026-05-03 → 2026-05-10 · 3 obs

○ 2017-03-13 21:35:04
● 2026-05-03 18:53:56
● 2026-05-10 15:31:42

●NSsdns26.ultradns.org2026-05-03 → 2026-05-10 · 3 obs

○ 2017-03-13 21:35:04
● 2026-05-03 18:53:56
● 2026-05-10 15:31:42

●MXmailstore1.secureserver.net2015-08-17 → 2026-05-10 · 2 obs

● 2015-08-17 01:18:34
● 2026-05-10 15:31:42

●MXsmtp.secureserver.net2015-08-17 → 2026-05-10 · 2 obs

● 2015-08-17 01:18:34
● 2026-05-10 15:31:42

●A204.74.99.1002026-05-03 → 2026-05-10 · 3 obs

○ 2017-03-13 21:35:04
● 2026-05-03 18:53:56
● 2026-05-10 15:31:42

○A50.63.202.162015-08-17 → 2017-03-13 · 4 obs

● 2015-08-17 01:18:34
● 2017-03-13 21:35:04
○ 2026-05-03 18:53:56
○ 2026-05-10 15:31:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
simplemobilebyop.com	sdns26.ultradns.com, sdns26.ultradns.net, sdns26.ultradns.biz, sdns26.ultradns.org	2 records

✅ Authoritative Response

Server:156.154.140.26

NS records: sdns26.ultradns.com, sdns26.ultradns.net, sdns26.ultradns.biz, sdns26.ultradns.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for simplemobilebyop.com (unsigned zone)

⏱️ Timing

Total: 820ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`204.74.99.100`
NS	4	`sdns26.ultradns.biz, sdns26.ultradns.com...`
MX	2	`smtp.secureserver.net (pri: 0), mailstore1.secureserver.net (pri: 10)`
SOA	1	`ns43.domaincontrol.com dns.jomax.net`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (sdns26.ultradns.com, sdns26.ultradns.com)

Analysis

IP Addresses

simplemobilebyop.com points to a single IP number: 204.74.99.100.

Other host names, for instance nuuly.at, clec.neustar, cpmjobs.be, travel-expedia.com and expediacustomer.net share IP numbers with simplemobilebyop.com.

Name Servers

simplemobilebyop.com is delegated to five name servers: sdns26.ultradns.biz, ns43.domaincontrol.com, sdns26.ultradns.com, sdns26.ultradns.net and sdns26.ultradns.org.

simplemobilebyop.com at least partially shares name servers with other domains, for instance etroconstruction.com, aph.company, saintpatrickschoirschool.com, mixfm973.com and kaffee-geniesser-shop.de.

These name servers are commonly used with the name servers ns44.domaincontrol.com.

Host names with two IP numbers:

sdns26.ultradns.biz points to 2610:a1:1003::1a and 156.154.142.26.

ns43.domaincontrol.com points to 2603:5:2152::16 and 97.74.101.22.

sdns26.ultradns.com points to 2610:a1:1001::1a and 156.154.140.26.

sdns26.ultradns.net points to 2610:a1:1002::1a and 156.154.141.26.

sdns26.ultradns.org points to 2610:a1:1004::1a and 156.154.143.26.

Mail Servers

simplemobilebyop.com is handled by two mail servers: mailstore1.secureserver.net and smtp.secureserver.net.

simplemobilebyop.com uses the same mail server configuration as other domains, such as camillagrace.com, contentrules.org, roomsrealty.net, downtownboulder.info and connect-sfdstallions.org.

Host names with three IP numbers: The host name mailstore1.secureserver.net points to 216.69.141.78, 216.69.141.114 and 216.69.141.162; The host name smtp.secureserver.net points to 216.69.141.71, 216.69.141.84 and 216.69.141.113.

simplemobilebyop.com - robtex.com