`tdameritradeu.com`

DNSSEC	⚠️ Not signed
A	127.0.0.1
NS	`ns1.markmonitor.com` ⭐
		A	2620:10a:80a8::1^{🇨🇦 CIRA-22620:10a:80a8::/48 markmonitor v6 cloud1 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
		A	149.112.160.1^{🇨🇦 CIRA-2149.112.160.0/24 markmonitor v4 cloud1 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
NS	`ns2.markmonitor.com`
		A	2001:67c:10b8::1^{🇨🇭 RCODEZERO-ANYCAST-SEC22001:67c:10b8::/48 IPCOM-anycast-net}
			PTR	`ns2.markmonitor.com`
		A	176.97.158.1^{🇦🇹 RCODEZERO-ANYCAST-SEC2176.97.158.0/24 NICat-anycast-net}
			PTR	`ns2.markmonitor.com`
NS	`ns3.markmonitor.com`
		A	2620:10a:80a9::1^{🇨🇦 CIRA-32620:10a:80a9::/48 markmonitor v6 cloud2 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
		A	149.112.161.1^{🇨🇦 CIRA-3149.112.161.0/24 markmonitor v4 cloud2 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
NS	`ns4.markmonitor.com`
		A	2001:67c:1bc::1^{🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD2001:67c:1bc::/48 IPCom-NET Anycast}
			PTR	`ns1.markmonitor.com`
		A	192.174.68.1^{🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD192.174.68.0/24 NICat-anycast-net}
			PTR	`ns1.markmonitor.com`
TXT	`v=spf1 -all`
SOA	`ns1.markmonitor.com`hostmaster@markmonitor.com 2025-12-15 #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=1786629399

Same first word

tdameritradeu.com

DNS History

17 records (5 active, 12 former)

●NSns1.markmonitor.com2026-03-25 → 2026-08-13 · 3 obs

○ 2017-03-03 10:01:16
● 2026-03-25 06:56:48
● 2026-08-13 14:14:36

○NSns1.p50.dynect.net2015-11-01 → 2017-03-03 · 5 obs

○ 2015-07-24 14:49:12
● 2015-11-01 19:49:16
● 2017-03-03 10:01:16
○ 2026-03-25 06:56:48
○ 2026-08-13 14:14:36

○NSns1.tdameritrade.com2017-03-03 → 2017-03-03 · 4 obs

○ 2015-11-01 19:49:16
● 2017-03-03 10:01:16
○ 2026-03-25 06:56:48
○ 2026-08-13 14:14:36

●NSns2.markmonitor.com2026-03-25 → 2026-08-13 · 3 obs

○ 2017-03-03 10:01:16
● 2026-03-25 06:56:48
● 2026-08-13 14:14:36

○NSns2.p50.dynect.net2015-11-01 → 2017-03-03 · 5 obs

○ 2015-07-24 14:49:12
● 2015-11-01 19:49:16
● 2017-03-03 10:01:16
○ 2026-03-25 06:56:48
○ 2026-08-13 14:14:36

●NSns3.markmonitor.com2026-03-25 → 2026-08-13 · 3 obs

○ 2017-03-03 10:01:16
● 2026-03-25 06:56:48
● 2026-08-13 14:14:36

○NSns3.p50.dynect.net2015-11-01 → 2017-03-03 · 5 obs

○ 2015-07-24 14:49:12
● 2015-11-01 19:49:16
● 2017-03-03 10:01:16
○ 2026-03-25 06:56:48
○ 2026-08-13 14:14:36

●NSns4.markmonitor.com2026-03-25 → 2026-08-13 · 3 obs

○ 2017-03-03 10:01:16
● 2026-03-25 06:56:48
● 2026-08-13 14:14:36

○NSns4.p50.dynect.net2015-11-01 → 2017-03-03 · 5 obs

○ 2015-07-24 14:49:12
● 2015-11-01 19:49:16
● 2017-03-03 10:01:16
○ 2026-03-25 06:56:48
○ 2026-08-13 14:14:36

○NSpdns151.ultradns.biz2015-07-24 → 2017-03-03 · 5 obs

○ 2008-11-17 11:11:00
● 2015-07-24 14:49:12
● 2017-03-03 10:01:16
○ 2026-03-25 06:56:48
○ 2026-08-13 14:14:36

○NSpdns151.ultradns.com2015-07-24 → 2017-03-03 · 5 obs

○ 2008-11-17 11:11:00
● 2015-07-24 14:49:12
● 2017-03-03 10:01:16
○ 2026-03-25 06:56:48
○ 2026-08-13 14:14:36

○NSpdns151.ultradns.net2015-07-24 → 2017-03-03 · 5 obs

○ 2008-11-17 11:11:00
● 2015-07-24 14:49:12
● 2017-03-03 10:01:16
○ 2026-03-25 06:56:48
○ 2026-08-13 14:14:36

○NSpdns151.ultradns.org2015-07-24 → 2017-03-03 · 5 obs

○ 2008-11-17 11:11:00
● 2015-07-24 14:49:12
● 2017-03-03 10:01:16
○ 2026-03-25 06:56:48
○ 2026-08-13 14:14:36

○MXmxa-000cb501.gslb.pphosted.com2015-07-24 → 2017-03-03 · 5 obs

○ 2008-11-17 11:11:00
● 2015-07-24 14:49:12
● 2017-03-03 10:01:16
○ 2026-03-25 06:56:48
○ 2026-08-13 14:14:36

○MXmxb-000cb501.gslb.pphosted.com2015-07-24 → 2017-03-03 · 5 obs

○ 2008-11-17 11:11:00
● 2015-07-24 14:49:12
● 2017-03-03 10:01:16
○ 2026-03-25 06:56:48
○ 2026-08-13 14:14:36

●A127.0.0.12026-03-25 → 2026-08-13 · 3 obs

○ 2017-03-03 10:01:16
● 2026-03-25 06:56:48
● 2026-08-13 14:14:36

○A216.105.249.212015-07-24 → 2017-03-03 · 5 obs

○ 2008-11-17 11:11:00
● 2015-07-24 14:49:12
● 2017-03-03 10:01:16
○ 2026-03-25 06:56:48
○ 2026-08-13 14:14:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
tdameritradeu.com	ns1.markmonitor.com, ns3.markmonitor.com, ns4.markmonitor.com, ns2.markmonitor.com	8 records

✅ Authoritative Response

Server:176.97.158.1

NS records: ns1.markmonitor.com, ns3.markmonitor.com, ns4.markmonitor.com, ns2.markmonitor.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tdameritradeu.com (unsigned zone)

⏱️ Timing

Total: 245ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`127.0.0.1`
NS	4	`ns1.markmonitor.com, ns2.markmonitor.com...`
TXT	1	`v=spf1 -all`
SOA	1	`ns1.markmonitor.com hostmaster.markmonit`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns1.markmonitor.com, ns1.markmonitor.com, ns3.markmonitor.com...)

Analysis

IP Addresses

tdameritradeu.com resolves to just one IP address, 127.0.0.1.

Two other host names, along with mail.5sternehotels.org, mail.glaciara.com and 0.160.60.188.dynamic.wline.res.cust.swisscom.ch, also share IP numbers with tdameritradeu.com.

Name Servers

The NS records for tdameritradeu.com point to four name servers: ns1.markmonitor.com, ns2.markmonitor.com, ns3.markmonitor.com and ns4.markmonitor.com.

tdameritradeu.com has at least partial name server overlap with other domains, such as kindleicious.com, bathandbodyworks.mobi, paypal-pep.net and two others.

These name servers tend to appear together with the name servers ns5.markmonitor.com, ns6.markmonitor.com and ns7.markmonitor.com.

ns1.markmonitor.com, ns2.markmonitor.com, ns3.markmonitor.com and ns4.markmonitor.com all point to exactly two IP numbers each: ns1.markmonitor.com → 149.112.160.1 and 2620:10a:80a8::1; ns2.markmonitor.com → 176.97.158.1 and 2001:67c:10b8::1; ns3.markmonitor.com → 149.112.161.1 and 2620:10a:80a9::1; ns4.markmonitor.com → 192.174.68.1 and 2001:67c:1bc::1.

tdameritradeu.com - robtex.com