`isca-speech.org`

DNSSEC	⚠️ Not signed
A	34.226.77.200^{🇺🇸 Amazon34.224.0.0/12 EC2 Region prefix}
		PTR	`ec2-34-226-77-200.compute-1.amazonaws.com`
NS	`ns23.worldnic.com` ⭐
		A	162.159.26.132^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns24.worldnic.com`
		A	162.159.27.77^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`alt1.aspmx.l.google.com` ⭐
		A	2800:3f0:4003:c14::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.27^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com` ⭐
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c07::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bc-in-f26.1e100.net`
		A	192.179.18.26^{🇺🇸 Google192.178.0.0/15}
			PTR	`ry-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f27.1e100.net`
		A	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f27.1e100.net`
TXT	`v=spf1 include:mailgun.org include:wildapricot.org ~all`
TXT	`google-site-verification=uJwwxYacTmORBOCuYdcAttXePIeu8bn4v5_wTxfYayc`
TXT	`MS=ms49092235`
SOA	`NS23.WORLDNIC.COM`namehost@WORLDNIC.COM serial=125092203

`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=1786481255

rank #82689 globally
rank #8364 in the tld
📈 Tranco rank: #267,738

PTR for

51.199.4.103.in-addr.arpa

52.199.4.103.in-addr.arpa

Subdomains

services.isca-speech.org

mail.isca-speech.org

Same first word

isca-speech.org

DNS History

12 records (8 active, 4 former)

○NSns1.incampus.com.sg2015-06-25 → 2015-09-18 · 4 obs

● 2015-06-25 08:27:08
● 2015-09-18 12:04:34
○ 2015-12-15 14:50:48
○ 2026-08-11 21:08:48

●NSns23.worldnic.com2015-12-15 → 2026-08-11 · 3 obs

○ 2015-09-18 12:04:34
● 2015-12-15 14:50:48
● 2026-08-11 21:08:48

●NSns24.worldnic.com2015-12-15 → 2026-08-11 · 3 obs

○ 2015-09-18 12:04:34
● 2015-12-15 14:50:48
● 2026-08-11 21:08:48

●MXalt1.aspmx.l.google.com2026-04-07 → 2026-08-11 · 5 obs

○ 2016-11-25 08:25:58
● 2026-04-07 01:11:08
○ 2026-05-17 22:59:34
● 2026-08-11 21:08:46
● 2026-08-11 21:08:48

●MXalt2.aspmx.l.google.com2026-04-07 → 2026-08-11 · 5 obs

○ 2016-11-25 08:25:58
● 2026-04-07 01:11:08
○ 2026-05-17 22:59:34
● 2026-08-11 21:08:46
● 2026-08-11 21:08:48

●MXalt3.aspmx.l.google.com2026-04-07 → 2026-08-11 · 5 obs

○ 2016-11-25 08:25:58
● 2026-04-07 01:11:08
○ 2026-05-17 22:59:34
● 2026-08-11 21:08:46
● 2026-08-11 21:08:48

●MXalt4.aspmx.l.google.com2026-04-07 → 2026-08-11 · 5 obs

○ 2016-11-25 08:25:58
● 2026-04-07 01:11:08
○ 2026-05-17 22:59:34
● 2026-08-11 21:08:46
● 2026-08-11 21:08:48

●MXaspmx.l.google.com2026-04-07 → 2026-08-11 · 5 obs

○ 2016-11-25 08:25:58
● 2026-04-07 01:11:08
○ 2026-05-17 22:59:34
● 2026-08-11 21:08:46
● 2026-08-11 21:08:48

○MXmail.isca-speech.org2015-06-25 → 2016-11-25 · 4 obs

● 2015-06-25 08:27:08
● 2016-11-25 08:25:58
○ 2026-04-07 01:11:08
○ 2026-08-11 21:08:48

○A103.4.199.512016-03-22 → 2016-11-25 · 5 obs

○ 2015-12-15 14:50:48
● 2016-03-22 15:08:36
● 2016-11-25 08:25:58
○ 2026-04-07 01:11:08
○ 2026-08-11 21:08:48

○A103.4.199.522015-06-25 → 2015-12-15 · 4 obs

● 2015-06-25 08:27:08
● 2015-12-15 14:50:48
○ 2016-03-22 15:08:36
○ 2026-08-11 21:08:48

●A34.226.77.2002026-04-07 → 2026-08-11 · 3 obs

○ 2016-11-25 08:25:58
● 2026-04-07 01:11:08
● 2026-08-11 21:08:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org	-
isca-speech.org	ns23.worldnic.com, ns24.worldnic.com	-

✅ Authoritative Response

Server:162.159.26.132

NS records: ns23.worldnic.com, ns24.worldnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for isca-speech.org (unsigned zone)

⏱️ Timing

Total: 501ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`34.226.77.200`
NS	2	`ns23.worldnic.com, ns24.worldnic.com`
MX	5	`alt3.aspmx.l.google.com (pri: 10), alt2.aspmx.l.google.com (pri: 5)...`
TXT	3	`v=spf1 include:mailgun.org include:wilda, google-site-verification=uJwwxYacTmORBOC...`
SOA	1	`NS23.WORLDNIC.COM namehost.WORLDNIC.COM`

Analysis

Hierarchy

isca-speech.org is the parent domain of services.isca-speech.org and mail.isca-speech.org.

IP Addresses

isca-speech.org points to a single IP number: 34.226.77.200.

Additional host names — towsa.org, idahocounseling.org, nemallc.com and two others — share IP numbers with isca-speech.org.

Name Servers

isca-speech.org uses two name servers for its delegation: ns23.worldnic.com and ns24.worldnic.com.

isca-speech.org shares its name server setup with other domains, including donchalmersrro.com, lawsgroupcharity.org, mendels.net and two others.

ns23.worldnic.com directs to 162.159.26.132 and ns24.worldnic.com directs to 162.159.27.77; each host name points to exactly one IP number.