`tdainstitutional.com`

DNSSEC	⚠️ Not signed
A	162.93.210.156^{🇺🇸 AS6949162.93.210.0/23}
A	162.93.223.155^{🇺🇸 AS6949162.93.222.0/23}
A	162.93.231.152^{🇺🇸 AS6949162.93.230.0/23}
A	162.93.235.155^{🇺🇸 AS6949162.93.234.0/23}
NS	`d33pe2bdc.schwab.com` ⭐
NS	`a1-116.akam.net`
		A	2600:1401:2::74^{🇺🇸 Akamai2600:1401:2::/48 Technologies}
			PTR	`a1-116.akam.net`
			PTR	`ns1-116.akam.net`
		A	193.108.91.116^{🇳🇱 Akamai193.108.91.0/24 Technologies}
			PTR	`a1-116.akam.net`
			PTR	`ns1-116.akam.net`
NS	`a20-65.akam.net`
		A	2a02:26f0:67::41^{🇳🇱 Akamai2a02:26f0:67::/48 Technologies}
			PTR	`a20-65.akam.net`
		A	95.100.175.65^{🇳🇱 Akamai95.100.175.0/24 Technologies}
			PTR	`a20-65.akam.net`
NS	`np1.schwab.com`
		A	162.93.239.33^{🇺🇸 AS6949162.93.224.0/19}
			PTR	`np1.schwab.com`
NS	`np2.schwab.com`
		A	162.93.193.33^{🇺🇸 AS6949162.93.192.0/19}
			PTR	`np2.schwab.com`
NS	`np3.schwab.com`
		A	162.93.239.34^{🇺🇸 AS6949162.93.224.0/19}
			PTR	`np3.schwab.com`
NS	`np4.schwab.com`
		A	162.93.193.34^{🇺🇸 AS6949162.93.192.0/19}
			PTR	`np4.schwab.com`
TXT	`_uogfsaznobeac8wuls3qklbzz17zx39`
TXT	`google-site-verification=_AFYOK8HegoOVTo7w--PhWgcqgcWirL-rDi1o2oAgs4`
TXT	`facebook-domain-verification=es0ipw4vjokaiqwgldh6cb3v6urceb`
TXT	`v=spf1 -all`
SOA	`d33pe2bdc.schwab.com`dnsadmin@schwab.com 2024-10-23 #74

`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=1775310667

rank #890549 globally
rank #406359 in the tld

Subdomains

www.tdainstitutional.com

Same first word

tdainstitutional.org

tdainstitutional.com

tdainstitutional.net

DNS History

23 records (11 active, 12 former)

●NSa1-116.akam.net2026-02-14 → 2026-04-04 · 3 obs

○ 2018-12-19 02:51:38
● 2026-02-14 21:39:14
● 2026-04-04 14:02:40

●NSa20-65.akam.net2026-02-14 → 2026-04-04 · 3 obs

○ 2018-12-19 02:51:38
● 2026-02-14 21:39:14
● 2026-04-04 14:02:40

●NSd33pe2bdc.schwab.com2026-02-14 → 2026-04-04 · 3 obs

○ 2018-12-19 02:51:38
● 2026-02-14 21:39:14
● 2026-04-04 14:02:40

●NSnp1.schwab.com2026-02-14 → 2026-04-04 · 3 obs

○ 2018-12-19 02:51:38
● 2026-02-14 21:39:14
● 2026-04-04 14:02:40

●NSnp2.schwab.com2026-02-14 → 2026-04-04 · 3 obs

○ 2018-12-19 02:51:38
● 2026-02-14 21:39:14
● 2026-04-04 14:02:40

●NSnp3.schwab.com2026-02-14 → 2026-04-04 · 3 obs

○ 2018-12-19 02:51:38
● 2026-02-14 21:39:14
● 2026-04-04 14:02:40

●NSnp4.schwab.com2026-02-14 → 2026-04-04 · 3 obs

○ 2018-12-19 02:51:38
● 2026-02-14 21:39:14
● 2026-04-04 14:02:40

○NSns1.p50.dynect.net2015-12-02 → 2018-12-19 · 5 obs

○ 2015-08-14 09:26:16
● 2015-12-02 17:56:50
● 2018-12-19 02:51:38
○ 2026-02-14 21:39:14
○ 2026-04-04 14:02:40

○NSns1.tdameritrade.com2017-04-06 → 2017-04-06 · 4 obs

○ 2016-07-07 08:29:52
● 2017-04-06 18:44:46
○ 2018-09-30 19:32:24
○ 2026-04-04 14:02:40

○NSns2.p50.dynect.net2015-12-02 → 2018-12-19 · 5 obs

○ 2015-08-14 09:26:16
● 2015-12-02 17:56:50
● 2018-12-19 02:51:38
○ 2026-02-14 21:39:14
○ 2026-04-04 14:02:40

○NSns3.p50.dynect.net2015-12-02 → 2018-12-19 · 5 obs

○ 2015-08-14 09:26:16
● 2015-12-02 17:56:50
● 2018-12-19 02:51:38
○ 2026-02-14 21:39:14
○ 2026-04-04 14:02:40

○NSns3.tdameritrade.com2018-09-30 → 2018-12-19 · 5 obs

○ 2017-04-06 18:44:46
● 2018-09-30 19:32:24
● 2018-12-19 02:51:38
○ 2026-02-14 21:39:14
○ 2026-04-04 14:02:40

○NSns4.p50.dynect.net2015-12-02 → 2018-12-19 · 5 obs

○ 2015-08-14 09:26:16
● 2015-12-02 17:56:50
● 2018-12-19 02:51:38
○ 2026-02-14 21:39:14
○ 2026-04-04 14:02:40

○NSpdns151.ultradns.biz2015-08-14 → 2018-12-19 · 4 obs

● 2015-08-14 09:26:16
● 2018-12-19 02:51:38
○ 2026-02-14 21:39:14
○ 2026-04-04 14:02:40

○NSpdns151.ultradns.com2015-08-14 → 2018-12-19 · 6 obs

● 2015-08-14 09:26:16
● 2016-07-07 08:29:52
○ 2017-04-06 18:44:46
● 2018-12-19 02:51:38
○ 2026-02-14 21:39:14
○ 2026-04-04 14:02:40

○NSpdns151.ultradns.net2015-08-14 → 2018-12-19 · 4 obs

● 2015-08-14 09:26:16
● 2018-12-19 02:51:38
○ 2026-02-14 21:39:14
○ 2026-04-04 14:02:40

○NSpdns151.ultradns.org2015-08-14 → 2018-12-19 · 4 obs

● 2015-08-14 09:26:16
● 2018-12-19 02:51:38
○ 2026-02-14 21:39:14
○ 2026-04-04 14:02:40

●A162.93.210.1562026-02-14 → 2026-04-04 · 3 obs

○ 2018-12-19 02:51:38
● 2026-02-14 21:39:14
● 2026-04-04 14:02:40

●A162.93.223.1552026-02-14 → 2026-04-04 · 3 obs

○ 2018-12-19 02:51:38
● 2026-02-14 21:39:14
● 2026-04-04 14:02:40

●A162.93.231.1522026-02-14 → 2026-04-04 · 3 obs

○ 2018-12-19 02:51:38
● 2026-02-14 21:39:14
● 2026-04-04 14:02:40

●A162.93.235.1552026-02-14 → 2026-04-04 · 3 obs

○ 2018-12-19 02:51:38
● 2026-02-14 21:39:14
● 2026-04-04 14:02:40

○A216.105.251.1832018-09-30 → 2018-12-19 · 5 obs

○ 2017-04-06 18:44:46
● 2018-09-30 19:32:24
● 2018-12-19 02:51:38
○ 2026-02-14 21:39:14
○ 2026-04-04 14:02:40

○A216.105.251.2532015-08-14 → 2017-04-06 · 4 obs

● 2015-08-14 09:26:16
● 2017-04-06 18:44:46
○ 2018-09-30 19:32:24
○ 2026-04-04 14:02:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, m.gtld-servers.net, a.gtld-servers.net, e.gtld-servers.net...	-
tdainstitutional.com	a20-65.akam.net, a1-116.akam.net, np1.schwab.com, np2.schwab.com...	4 records

✅ Authoritative Response

Server:162.93.193.33

NS records: a20-65.akam.net, a1-116.akam.net, np1.schwab.com, np2.schwab.com, np3.schwab.com, np4.schwab.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tdainstitutional.com (unsigned zone)

⏱️ Timing

Total: 410ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`162.93.223.155, 162.93.231.152...`
NS	6	`np2.schwab.com, np4.schwab.com...`
TXT	4	`google-site-verification=_AFYOK8HegoOVTo, _uogfsaznobeac8wuls3qklbzz17zx39...`
SOA	1	`d33pe2bdc.schwab.com dnsadmin.schwab.com`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (np1.schwab.com, np2.schwab.com, np3.schwab.com...)

Analysis

Hierarchy

The parent of www.tdainstitutional.com is tdainstitutional.com.

IP Addresses

tdainstitutional.com resolves to four IP numbers: 162.93.210.156, 162.93.223.155, 162.93.231.152 and 162.93.235.155.

Name Servers

tdainstitutional.com is delegated to seven name servers: d33pe2bdc.schwab.com, np1.schwab.com, np2.schwab.com, np3.schwab.com, np4.schwab.com, a1-116.akam.net and a20-65.akam.net.

tdainstitutional.com at least partially shares name servers with other domains, for instance atour.co.jp, axa-recherche.net, joneslanglasalle-finland.com, airfrance.ga and friend-stage.co.jp.

These name servers are commonly used alongside a3-66.akam.net, a10-67.akam.net, a14-65.akam.net, a18-64.akam.net, a13-67.akam.net, d33pf2cdc.schwab.com, ns2-67.akam.net, use6.akam.net, a1-5.akam.net and auth111.ns.uu.net.

Host names with two IP numbers:

a1-116.akam.net resolves to 2600:1401:2::74 and 193.108.91.116; a20-65.akam.net resolves to 2a02:26f0:67::41 and 95.100.175.65.

Host names with one IP number:

np1.schwab.com resolves to 162.93.239.33; np2.schwab.com resolves to 162.93.193.33; np3.schwab.com resolves to 162.93.239.34; np4.schwab.com resolves to 162.93.193.34.

tdainstitutional.com - robtex.com