`houstonmethodist.org`

DNSSEC	🔒 Signed (DS record present)
A	157.55.87.30^{🇺🇸 Microsoft157.55.0.0/16}
NS	`pdns05.domaincontrol.com` ⭐
		A	2603:5:21e1::34^{🇺🇸 GODADDY-DNS2603:5:21e0::/44}
			PTR	`pdns05.domaincontrol.com`
		A	97.74.110.52^{🇺🇸 GODADDY-DNS97.74.110.0/23}
			PTR	`pdns05.domaincontrol.com`
NS	`pdns06.domaincontrol.com`
		A	2603:5:22e1::34^{🇺🇸 GODADDY-DNS2603:5:22e0::/44}
			PTR	`pdns06.domaincontrol.com`
		A	173.201.78.52^{🇺🇸 GODADDY-DNS173.201.78.0/23}
			PTR	`pdns06.domaincontrol.com`
MX	`houstonmethodist-org.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c92c::4^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-dm6pr05cu00404.inbound.protection.outlook.com`
		A	2a01:111:f403:c931::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sa9pr03cu00201.inbound.protection.outlook.com`
		A	2a01:111:f403:c946::5^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ch4pr21cu00105.inbound.protection.outlook.com`
		A	2a01:111:f403:c946::7^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ch5pr02cu00307.inbound.protection.outlook.com`
		A	52.101.9.21^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bl2pr04cu00205.inbound.protection.outlook.com`
		A	52.101.10.5^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn6pr04cu00105.inbound.protection.outlook.com`
		A	52.101.41.58^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj0pr02cu00102.inbound.protection.outlook.com`
		A	52.101.42.14^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-mw2pr04cu00106.inbound.protection.outlook.com`
TXT	`apple-domain-verification=mlOQTNSooCgCclgSslZFQa5E0big_JlmsJC3_gE-dhc`
TXT	`zsbd76njs7lfc2v0k05ft3x50l2st22c`
TXT	`airtable-verification=0a56a8ae1b327e6265503bbc96594bb9`
TXT	`facebook-domain-verification=hvwexsrua9ag146d8aqruardxri1ld`
TXT	`_a3dv18xq7t7nicdq7btxusct1ohduc4`
TXT	`apple-domain-verification=x3eQ5b5UNR74B2v3`
TXT	`a3nuqridp9mso2fcn04s62sn7b`
TXT	`Dynatrace-site-verification=82fffa24-c552-4bec-80e3-9a7b9253b791__70584ssb4ra...`
TXT	`cisco-ci-domain-verification=456d6377c92e4d4a61d55b82e1e1be741f929b983f9b96f5...`
TXT	`_0f6e1rzwh3anx86zgibjc6u9brxioj7`
TXT	`google-site-verification=YrfImJPGoxVm60D_9q43FKgr2maHiLMwB240IqXODq4`
TXT	`g7s7k42isc0ralvqpfgllpeg4g`
TXT	`v1j5qce2c2jb6tenhca6t45kbk`
TXT	`6vfl1eukp3989m0lvhfkvsd4u5`
TXT	`jdnbu86p1r54mq9hptinaa4op6`
TXT	`4ooh9js1bb74vg8gotlemn648i`
TXT	`docusign=5b527239-9147-4131-8f46-71a990ed2d9e`
TXT	`wrike-verification=NjEzMTc4MTo3MDFlMDExZTkwZGFhYTMxYjViODI3ZTc0OWI5M2Q3NjU1MT...`
TXT	`ms-domain-verification=1ec9416e-758b-4b34-8c5a-ea6d9a298071`
TXT	`amazonses:5XBZ6Fh(0x587878)X9VaRYoHGIEbzNOOPJJuhY3OJwmuMYBQA=`
TXT	`v=spf1 ip4:166.78.90.5 ip4:206.83.48.65 ip4:206.83.48.76 ip4:149.72.231.47 ip...`
TXT	`webexdomainverification.4C675B8B5CCEB136E053AB06FC0A3F65=03b01f0a-73ce-47c8-8...`
TXT	`docusign=c31cad24-9223-478c-9844-1d5e9fb5cb0a`
TXT	`v=verifydomain MS=8624625`
TXT	`VnGrL4vgjaa54VUxnjtw/0FYiGomgKDJvBG0sZt95nG/zhe3BWciFMqgJfDxqpMNCvrV4tquv4Clw...`
TXT	`miro-verification=a50cfda061934729b8154009065867538d330d45`
TXT	`google-site-verification=wdJ-XdEghJQF5mom1I2jroXVp1iPqG1ykkKT6kSZSbY`
SOA	`pdns05.domaincontrol.com`dns@jomax.net 2026-03-17 #1

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1774596810

rank #14097 globally
rank #1583 in the tld
🔒 HSTS Preload (+subdomains)
WOT: SAFE (86/100)
📈 Tranco rank: #29,563

Subdomains

physician.houstonmethodist.org

auth.houstonmethodist.org

epiclbcerpprod.houstonmethodist.org

chathost.houstonmethodist.org

ctxapps.houstonmethodist.org

syllable-api.houstonmethodist.org

mychart.houstonmethodist.org

www.houstonmethodist.org

connect.houstonmethodist.org

webmail.houstonmethodist.org

ecl.houstonmethodist.org

dataservices.houstonmethodist.org

securedataservices.houstonmethodist.org

Same first word

houstonmethodist.healthcare

houstonmethodist.org

houstonmethodist.com

houstonmethodist.net

Similar names

methodisthouston.org

methodisthouston.com

DNS History

9 records (4 active, 5 former)

○NSns05.domaincontrol.com2015-08-23 → 2015-08-23 · 3 obs

● 2015-08-23 17:13:02
○ 2015-09-17 15:42:46
○ 2026-03-27 07:43:26

●NSpdns05.domaincontrol.com2015-09-17 → 2026-03-27 · 3 obs

○ 2015-08-23 17:13:02
● 2015-09-17 15:42:46
● 2026-03-27 07:43:26

●NSpdns06.domaincontrol.com2015-09-17 → 2026-03-27 · 3 obs

○ 2015-08-23 17:13:02
● 2015-09-17 15:42:46
● 2026-03-27 07:43:26

●MXhoustonmethodist-org.mail.protection.outlook.com2026-03-14 → 2026-03-27 · 3 obs

○ 2018-05-11 17:47:30
● 2026-03-14 16:12:48
● 2026-03-27 07:43:26

○MXmxa-00111b01.gslb.pphosted.com2015-08-23 → 2018-05-11 · 4 obs

● 2015-08-23 17:13:02
● 2018-05-11 17:47:30
○ 2026-03-14 16:12:48
○ 2026-03-27 07:43:26

○MXmxb-00111b01.gslb.pphosted.com2015-08-23 → 2018-05-11 · 4 obs

● 2015-08-23 17:13:02
● 2018-05-11 17:47:30
○ 2026-03-14 16:12:48
○ 2026-03-27 07:43:26

○A13.65.209.1962017-06-30 → 2018-05-11 · 5 obs

○ 2017-02-17 01:13:22
● 2017-06-30 05:22:10
● 2018-05-11 17:47:30
○ 2026-03-14 16:12:48
○ 2026-03-27 07:43:26

●A157.55.87.302026-03-14 → 2026-03-27 · 3 obs

○ 2018-05-11 17:47:30
● 2026-03-14 16:12:48
● 2026-03-27 07:43:26

○A23.101.180.2462015-08-23 → 2017-02-17 · 4 obs

● 2015-08-23 17:13:02
● 2017-02-17 01:13:22
○ 2017-06-30 05:22:10
○ 2026-03-27 07:43:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
houstonmethodist.org	pdns05.domaincontrol.com, pdns06.domaincontrol.com	-

✅ Authoritative Response

Server:173.201.78.52

NS records: pdns05.domaincontrol.com, pdns06.domaincontrol.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 380ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`157.55.87.30`
NS	2	`pdns05.domaincontrol.com, pdns06.domaincontrol.com`
MX	1	`houstonmethodist-org.mail.protection.out`
TXT	27	`apple-domain-verification=mlOQTNSooCgCcl, zsbd76njs7lfc2v0k05ft3x50l2st22c...`
SOA	1	`pdns05.domaincontrol.com dns.jomax.net`

Analysis

Hierarchy

houstonmethodist.org has children including physician.houstonmethodist.org, auth.houstonmethodist.org, epiclbcerpprod.houstonmethodist.org, chathost.houstonmethodist.org, ctxapps.houstonmethodist.org and a few other host names.

IP Addresses

houstonmethodist.org points to a single IP address: 157.55.87.30.

Other host names, for instance hm4prod.southcentralus.cloudapp.azure.com, share IP numbers with houstonmethodist.org.

Name Servers

houstonmethodist.org is delegated to two name servers: pdns05.domaincontrol.com and pdns06.domaincontrol.com.

houstonmethodist.org uses the same name server setup as other domains, including sunwestinmemphis.com, limos4germany.com, sebaclear.biz, americanhomeowners.org and lingualinx.org.

Host names with two IP numbers:

pdns05.domaincontrol.com points to 2603:5:21e1::34 and 97.74.110.52.

pdns06.domaincontrol.com points to 2603:5:22e1::34 and 173.201.78.52.

Mail Servers

The mail server for houstonmethodist.org is houstonmethodist-org.mail.protection.outlook.com.

houstonmethodist-org.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c92c::4, 2a01:111:f403:c931::1, 2a01:111:f403:c946::5, 2a01:111:f403:c946::7, 52.101.9.21, 52.101.10.5, 52.101.41.58 and 52.101.42.14.

houstonmethodist.org - robtex.com