`att-system.com`

DNSSEC	⚠️ Not signed
A	31.131.89.21^{🇱🇻 AS-VULTR31.131.89.0/24}
NS	`dns1.registrar-servers.com` ⭐
		A	2610:a1:1024::200^{🇺🇸 MAINT-ID-120082610:a1:1024::/48 Neustar}
			PTR	`dns1.namecheaphosting.com`
			PTR	`dns1.registrar-servers.com`
		A	156.154.132.200^{🇺🇸 MAINT-ID-12008156.154.132.0/24 Neustar}
			PTR	`dns1.namecheaphosting.com`
			PTR	`dns1.registrar-servers.com`
NS	`dns2.registrar-servers.com`
		A	2610:a1:1025::200^{🇺🇸 MAINT-ID-120082610:a1:1025::/48 Neustar}
			PTR	`dns2.namecheaphosting.com`
			PTR	`dns2.registrar-servers.com`
		A	156.154.133.200^{🇺🇸 MAINT-ID-12008156.154.133.0/24 Neustar}
			PTR	`dns2.namecheaphosting.com`
			PTR	`dns2.registrar-servers.com`
MX	`eforward1.registrar-servers.com` ⭐
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
MX	`eforward2.registrar-servers.com` ⭐
		A	162.255.118.52^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward2.registrar-servers.com`
MX	`eforward3.registrar-servers.com` ⭐
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
MX	`eforward4.registrar-servers.com`⁽¹⁵⁾
		A	162.255.118.52^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward2.registrar-servers.com`
MX	`eforward5.registrar-servers.com`⁽²⁰⁾
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
TXT	`v=spf1 include:spf.efwd.registrar-servers.com ~all`
SOA	`dns1.registrar-servers.com`hostmaster@registrar-servers.com serial=1777361854

`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=1778452471

⚠️ On DNS blocklist: multi, pro, pro.plus, tif, ultimate

Subdomains

www.att-system.com

Same first word

att-system.com

DNS History

8 records (8 active, 0 former)

●NSdns1.registrar-servers.com2026-05-09 → 2026-05-10 · 2 obs

● 2026-05-09 18:36:16
● 2026-05-10 22:35:16

●NSdns2.registrar-servers.com2026-05-09 → 2026-05-10 · 2 obs

● 2026-05-09 18:36:16
● 2026-05-10 22:35:16

●MXeforward1.registrar-servers.com2026-05-09 → 2026-05-10 · 2 obs

● 2026-05-09 18:36:16
● 2026-05-10 22:35:16

●MXeforward2.registrar-servers.com2026-05-09 → 2026-05-10 · 2 obs

● 2026-05-09 18:36:16
● 2026-05-10 22:35:16

●MXeforward3.registrar-servers.com2026-05-09 → 2026-05-10 · 2 obs

● 2026-05-09 18:36:16
● 2026-05-10 22:35:16

●MXeforward4.registrar-servers.com2026-05-09 → 2026-05-10 · 2 obs

● 2026-05-09 18:36:16
● 2026-05-10 22:35:16

●MXeforward5.registrar-servers.com2026-05-09 → 2026-05-10 · 2 obs

● 2026-05-09 18:36:16
● 2026-05-10 22:35:16

●A31.131.89.212026-05-09 → 2026-05-10 · 2 obs

● 2026-05-09 18:36:16
● 2026-05-10 22:35:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
att-system.com	dns1.registrar-servers.com, dns2.registrar-servers.com	4 records

✅ Authoritative Response

Server:156.154.132.200

NS records: dns1.registrar-servers.com, dns2.registrar-servers.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for att-system.com (unsigned zone)

⏱️ Timing

Total: 259ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`31.131.89.21`
NS	2	`dns1.registrar-servers.com, dns2.registrar-servers.com`
MX	5	`eforward1.registrar-servers.com (pri: 10, eforward2.registrar-servers.com (pri: 10...`
TXT	1	`v=spf1 include:spf.efwd.registrar-server`
SOA	1	`dns1.registrar-servers.com hostmaster.re`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (dns1.registrar-servers.com, dns1.registrar-servers.com, dns2.registrar-servers.com...)

Analysis

Hierarchy

att-system.com is the parent of www.att-system.com.

IP Addresses

att-system.com resolves to one IP number: 31.131.89.21.

other host names including www.r-icloud-apple.com, www.t-icloud-apple.com, www.att-subscriberhub.com, e-icloud-apple.com and onbixrjugvlazbp.com share IP numbers with att-system.com.

Name Servers

att-system.com is delegated to two name servers dns1.registrar-servers.com and dns2.registrar-servers.com.

att-system.com shares the same name server setup as other domains, for instance ipzxv.life, vivu.top, usetel.com, remintlmtg.com and chinwax.com.

att-system.com at least partially shares name servers with other domains, for instance chickenbabies.com.

Host names with two IP numbers:

The host name dns1.registrar-servers.com points to 2610:a1:1024::200 and 156.154.132.200; the host name dns2.registrar-servers.com points to 2610:a1:1025::200 and 156.154.133.200.

Mail Servers

att-system.com is handled by five mail servers: eforward1.registrar-servers.com, eforward2.registrar-servers.com, eforward3.registrar-servers.com, eforward4.registrar-servers.com and eforward5.registrar-servers.com.

att-system.com shares some mail servers with other domains, at least partially, for instance etoju.com, 10einzahlen50spielen.com, tyiuer.xyz, adgeni.us and nerdsandbees.com.