`cisadvantage.com`

DNSSEC	⚠️ Not signed
NS	`hidden-master.yahoo.com` ⭐
		A	68.180.131.16^{🇺🇸 Yahoo68.180.131.0/24 ! Anycast-2 Netblock 1}
			PTR	`ns1.yahoo.com`
NS	`1ns.yahoo.com`
		A	2001:4998:c:fe2f:726f:636b:6f:6e0a^{🇺🇸 Yahoo2001:4998:c::/48 Verizon Media GQ1}
			PTR	`1ns.yahoo.com`
		A	74.6.35.130^{🇺🇸 Yahoo74.6.32.0/19 YST CC1-general}
			PTR	`1ns.yahoo.com`
NS	`2ns.yahoo.com`
		A	2001:4998:58:fe2c:726f:636b:6f:6e0a^{🇺🇸 Yahoo2001:4998:58::/48 Verizon Media BF1}
			PTR	`2ns.yahoo.com`
		A	98.139.24.68^{🇺🇸 Yahoo98.139.24.0/21 BF1}
			PTR	`2ns.yahoo.com`
TXT	`v=spf1 -all`
SOA	`hidden-master.yahoo.com`hostmaster@yahoo-inc.com 2025-07-30 #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=1774374827

Same first word

cisadvantage.net

cisadvantage.com

Similar names

csiadvantage.com

sciadvantage.com

advantagesci.com

icsadvantage.com

DNS History

14 records (3 active, 11 former)

●NS1ns.yahoo.com2026-03-24 → 2026-03-24 · 2 obs

○ 2018-11-06 12:21:58
● 2026-03-24 18:04:12

●NS2ns.yahoo.com2026-03-24 → 2026-03-24 · 2 obs

○ 2018-11-06 12:21:58
● 2026-03-24 18:04:12

○NSdns-01.ns.aol.com2015-06-17 → 2017-01-30 · 4 obs

● 2015-06-17 18:56:14
● 2017-01-30 03:43:30
○ 2018-11-06 12:21:58
○ 2026-03-24 18:04:12

○NSdns-02.ns.aol.com2015-06-17 → 2017-01-30 · 4 obs

● 2015-06-17 18:56:14
● 2017-01-30 03:43:30
○ 2018-11-06 12:21:58
○ 2026-03-24 18:04:12

○NSdns-06.ns.aol.com2015-06-17 → 2017-01-30 · 4 obs

● 2015-06-17 18:56:14
● 2017-01-30 03:43:30
○ 2018-11-06 12:21:58
○ 2026-03-24 18:04:12

○NSdns-07.ns.aol.com2015-06-17 → 2017-01-30 · 4 obs

● 2015-06-17 18:56:14
● 2017-01-30 03:43:30
○ 2018-11-06 12:21:58
○ 2026-03-24 18:04:12

●NShidden-master.yahoo.com2018-11-06 → 2026-03-24 · 3 obs

○ 2017-01-30 03:43:30
● 2018-11-06 12:21:58
● 2026-03-24 18:04:12

○NSns1.yahoo.com2018-11-06 → 2018-11-06 · 3 obs

○ 2017-01-30 03:43:30
● 2018-11-06 12:21:58
○ 2026-03-24 18:04:12

○NSns2.yahoo.com2018-11-06 → 2018-11-06 · 3 obs

○ 2017-01-30 03:43:30
● 2018-11-06 12:21:58
○ 2026-03-24 18:04:12

○NSns3.yahoo.com2018-11-06 → 2018-11-06 · 3 obs

○ 2017-01-30 03:43:30
● 2018-11-06 12:21:58
○ 2026-03-24 18:04:12

○NSns4.yahoo.com2018-11-06 → 2018-11-06 · 3 obs

○ 2017-01-30 03:43:30
● 2018-11-06 12:21:58
○ 2026-03-24 18:04:12

○NSns5.yahoo.com2018-11-06 → 2018-11-06 · 3 obs

○ 2017-01-30 03:43:30
● 2018-11-06 12:21:58
○ 2026-03-24 18:04:12

○MX(root)2018-11-06 → 2018-11-06 · 2 obs

● 2018-11-06 12:21:58
○ 2026-03-24 18:04:12

○MX.2026-03-24 → 2026-03-24 · 1 obs

○ 2026-03-24 18:04:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
cisadvantage.com	1ns.yahoo.com, 2ns.yahoo.com	4 records

✅ Authoritative Response

Server:74.6.35.130

NS records: 1ns.yahoo.com, 2ns.yahoo.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cisadvantage.com (unsigned zone)

⏱️ Timing

Total: 267ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`2ns.yahoo.com, 1ns.yahoo.com`
MX	1	`. (pri: 0)`
TXT	1	`v=spf1 -all`
SOA	1	`hidden-master.yahoo.com hostmaster.yahoo`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (1ns.yahoo.com, 1ns.yahoo.com, 2ns.yahoo.com...)

Analysis

Name Servers

cisadvantage.com is delegated to name servers 1ns.yahoo.com, 2ns.yahoo.com and hidden-master.yahoo.com.

cisadvantage.com at least partially shares name servers with other domains such as teamaol.fr, health247.com, spv.yahoo.com, maktoob-research.com and 137.195.67.in-addr.arpa.

these name servers are commonly used alongside the name servers ns1.yahoo.com, ns2.yahoo.com, ns3.yahoo.com, ns4.yahoo.com and ns5.yahoo.com.

Host names with two IP numbers:

1ns.yahoo.com points to 2001:4998:c:fe2f:726f:636b:6f:6e0a and 74.6.35.130; 2ns.yahoo.com points to 2001:4998:58:fe2c:726f:636b:6f:6e0a and 98.139.24.68.

Host names with one IP number:

hidden-master.yahoo.com points to 68.180.131.16.

cisadvantage.com - robtex.com