iris.edu - dns.ninja

`iris.edu`

DNSSEC	⚠️ Not signed
A	3.134.246.243^{🇺🇸 Amazon3.132.0.0/14 EC2 CMH prefix}
		PTR	`clean.earthscope.org`
NS	`ns-337.awsdns-42.com` ⭐
		A	2600:9000:5301:5100::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-337.awsdns-42.com`
		A	205.251.193.81^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-337.awsdns-42.com`
NS	`ns-1194.awsdns-21.org`
		A	2600:9000:5304:aa00::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1194.awsdns-21.org`
		A	205.251.196.170^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1194.awsdns-21.org`
NS	`ns-1763.awsdns-28.co.uk`
		A	2600:9000:5306:e300::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1763.awsdns-28.co.uk`
		A	205.251.198.227^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1763.awsdns-28.co.uk`
NS	`ns-787.awsdns-34.net`
		A	2600:9000:5303:1300::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-787.awsdns-34.net`
		A	205.251.195.19^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-787.awsdns-34.net`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c08::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bi-in-f27.1e100.net`
		A	173.194.45.26^{🇺🇸 Google173.194.0.0/16}
			PTR	`yuiadum-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽²⁰⁾
		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`
TXT	`MS=46BEFF7EC2E1481557D6FD51A7B95B43A39842E4`
TXT	`google-site-verification=jscypSPrV1RhfpJL8r5eqVIByDujItdun00SyPgY9Ps`
TXT	`v=spf1 ip4:128.95.166.29 ip4:128.95.166.55 mx a:mail.iris.edu a:lists.ds.iris...`
SOA	`ns-337.awsdns-42.com`awsdns-hostmaster@amazon.com serial=1

`edu`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.edu-servers.net` ⭐
	NS	`b.edu-servers.net`
	NS	`c.edu-servers.net`
	NS	`d.edu-servers.net`
	NS	`e.edu-servers.net`
	NS	`f.edu-servers.net`
	NS	`g.edu-servers.net`
	NS	`h.edu-servers.net`
	NS	`i.edu-servers.net`
	NS	`j.edu-servers.net`
	NS	`k.edu-servers.net`
	NS	`l.edu-servers.net`
	NS	`m.edu-servers.net`
	SOA	`a.edu-servers.net`nstld@verisign-grs.com serial=1786502169

rank #22811 globally
rank #538 in the tld
WOT: SAFE (91/100)
📈 Tranco rank: #33,323

Subdomains

iris.iris.edu

adc1.iris.edu

pptp1.iris.edu

ds.iris.edu

clean.iris.edu

wiki.iris.edu

login.iris.edu

coal.iris.edu

pptp5.iris.edu

iris-ns2.iris.edu

fw.iris.edu

service.iris.edu

iriswall.iris.edu

pptp2.iris.edu

pptp3.iris.edu

www.iris.edu

mail.iris.edu

ns.iris.edu

pptp4.iris.edu

Same first word

iris.ie

iris.edu

iris.ooo

iris.ua

iris.ventures

iris.app

iris.cn

iris.co.ke

iris.audio

iris.ro

iris.ne.jp

iris.com.ph

iris.network

iris.edu.vn

iris.org.au

iris.my

iris.ph

iris.co.tz

iris.energy

iris.com.ng

iris.uz

iris.kz

iris.land

iris.co.th

iris.mg

iris.live-on.net

iris.ca

iris.cat

iris.ru

iris.hr

iris.design

iris.no

iris.lv

iris.biz

iris.dk

iris.im

iris.gov.hk

iris.com.my

iris.zone

iris.co

iris.edu.gr

iris.finance

iris.org.pt

iris.sk

iris.hu

iris.holiday

iris.lu

iris.ma

iris.place

iris.co.za

iris.ae

iris.life

iris.ac

iris.cc

iris.mk

iris.com.ua

iris.org.br

iris.al

iris.gr

iris.mc

iris.ck.ua

iris.si

iris.com.au

iris.farm

iris.lt

iris.ws

iris.agency

iris.dz

iris.kim

iris.co.id

iris.or.at

iris.co.il

iris.com

iris.cloud

iris.fr

iris.live

iris.engineering

iris.com.ly

iris.tn

iris.claims

iris.dental

iris.nu

iris.com.co

iris.guru

iris.show

iris.net

iris.net.my

iris.tv

iris.okinawa

iris.gw

iris.nl

iris.org.ua

iris.tech

iris.promo

iris.me

iris.chat

iris.today

iris.pl

iris.arpa

iris.su

iris.net.au

iris.co.uk

iris.red

iris.org.nz

iris.ai

iris.events

iris.pro

iris.la

iris.by

iris.org.il

iris.co.zw

iris.academy

iris.be

iris.ltd

iris.ps

iris.de

iris.software

iris.io

iris.com.mk

iris.info

iris.net.gr

iris.com.br

iris.org

iris.edu.pk

iris.technology

iris.firenze.it

iris.group

iris.digital

iris.xyz

iris.se

iris.sport

iris.es

iris.it

iris.training

iris.li

iris.gov.gr

iris.to

iris.com.tw

iris.go.kr

iris.vc

iris.casino

Similar names

siri.nl

isri.mx

siri.de

risi.com

siir.com.mx

risi.com.cn

rsii.in

isri.com.ar

irsi.eu

iisr.or.kr

risi.ch

risi.in

siir.eu

siri.com.mx

rsii.id

siri.or.kr

siri.be

isri.edu.cu

risi.com.au

isir.pro

iirs.biz

siri.co

risi.fr

iisr.de

irsi.fr

riis.org

siir.com

siir.net

siri.com.br

isri.org

srii.biz

isir.org

siir.de

isri.hu

iirs.in

isri.edu.ar

siri.cn

isri.gob.sv

irsi.us

siri.ch

rsii.cn

iisr.ru

siri.dk

isir.info

srii.org

rsii.com

riis.dk

riis.eu

isri.fr

siri.at

iirs.eu

risi.com.br

iisr.org

riis.de

riis.ca

siir.web.tr

isri.co.za

rsii.ru

isri.de

risi.nl

siri.org.uk

DNS History

19 records (7 active, 12 former)

○NSa.ns.gfoster.net2015-08-28 → 2017-08-27 · 4 obs

● 2015-08-28 08:57:48
● 2017-08-27 14:14:02
○ 2026-02-14 18:52:44
○ 2026-08-12 03:22:10

○NSclean.iris.edu2016-03-28 → 2017-08-27 · 5 obs

○ 2015-08-28 08:57:48
● 2016-03-28 11:25:12
● 2017-08-27 14:14:02
○ 2026-02-14 18:52:44
○ 2026-08-12 03:22:10

○NSiris-ns.ds.iris.edu2026-02-14 → 2026-04-09 · 5 obs

○ 2017-08-27 14:14:02
● 2026-02-14 18:52:44
● 2026-04-09 12:28:06
○ 2026-04-09 22:35:52
○ 2026-08-12 03:22:10

○NSiris-ns2.iris.edu2026-04-08 → 2026-04-08 · 4 obs

○ 2026-02-14 18:52:44
● 2026-04-08 21:09:36
○ 2026-08-11 20:37:52
○ 2026-08-12 03:22:10

○NSiris.iris.edu2015-08-28 → 2017-08-27 · 4 obs

● 2015-08-28 08:57:48
● 2017-08-27 14:14:02
○ 2026-02-14 18:52:44
○ 2026-08-12 03:22:10

●NSns-1194.awsdns-21.org2026-08-11 → 2026-08-12 · 3 obs

○ 2026-04-09 22:35:52
● 2026-08-11 20:37:52
● 2026-08-12 03:22:10

●NSns-1763.awsdns-28.co.uk2026-08-11 → 2026-08-12 · 3 obs

○ 2026-04-09 22:35:52
● 2026-08-11 20:37:52
● 2026-08-12 03:22:10

●NSns-337.awsdns-42.com2026-08-11 → 2026-08-12 · 3 obs

○ 2026-04-09 22:35:52
● 2026-08-11 20:37:52
● 2026-08-12 03:22:10

●NSns-787.awsdns-34.net2026-08-11 → 2026-08-12 · 3 obs

○ 2026-04-09 22:35:52
● 2026-08-11 20:37:52
● 2026-08-12 03:22:10

○NSns-ext.adc1.iris.edu2015-08-28 → 2017-08-27 · 4 obs

● 2015-08-28 08:57:48
● 2017-08-27 14:14:02
○ 2026-08-11 20:37:52
○ 2026-08-12 03:22:10

○NSns-ext.ds.iris.edu2015-08-28 → 2017-08-27 · 4 obs

● 2015-08-28 08:57:48
● 2017-08-27 14:14:02
○ 2026-08-11 20:37:52
○ 2026-08-12 03:22:10

○NSns-ext.iris.washington.edu2026-02-14 → 2026-02-14 · 4 obs

○ 2017-08-27 14:14:02
● 2026-02-14 18:52:44
○ 2026-08-11 20:37:52
○ 2026-08-12 03:22:10

○NSns1.iris.edu2015-08-28 → 2017-08-27 · 4 obs

● 2015-08-28 08:57:48
● 2017-08-27 14:14:02
○ 2026-08-11 20:37:52
○ 2026-08-12 03:22:10

●MXalt2.aspmx.l.google.com2026-02-14 → 2026-08-12 · 3 obs

○ 2017-08-27 14:14:02
● 2026-02-14 18:52:44
● 2026-08-12 03:22:10

●MXaspmx.l.google.com2026-02-14 → 2026-08-12 · 3 obs

○ 2017-08-27 14:14:02
● 2026-02-14 18:52:44
● 2026-08-12 03:22:10

○MXcoal.iris.edu2015-08-28 → 2016-01-14 · 4 obs

● 2015-08-28 08:57:48
● 2016-01-14 13:00:16
○ 2016-01-23 01:48:52
○ 2026-08-12 03:22:10

○MXmail.iris.edu2015-08-28 → 2017-08-27 · 4 obs

● 2015-08-28 08:57:48
● 2017-08-27 14:14:02
○ 2026-02-14 18:52:44
○ 2026-08-12 03:22:10

○A192.35.78.12015-08-28 → 2017-08-27 · 4 obs

● 2015-08-28 08:57:48
● 2017-08-27 14:14:02
○ 2026-02-14 18:52:44
○ 2026-08-12 03:22:10

●A3.134.246.2432026-02-14 → 2026-08-12 · 3 obs

○ 2017-08-27 14:14:02
● 2026-02-14 18:52:44
● 2026-08-12 03:22:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
edu	f.edu-servers.net, i.edu-servers.net, l.edu-servers.net, k.edu-servers.net...	-
iris.edu	ns-337.awsdns-42.com, ns-787.awsdns-34.net, ns-1763.awsdns-28.co.uk, ns-1194.awsdns-21.org	-

✅ Authoritative Response

Server:205.251.193.81

NS records: ns-337.awsdns-42.com, ns-787.awsdns-34.net, ns-1763.awsdns-28.co.uk, ns-1194.awsdns-21.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for iris.edu (unsigned zone)

⏱️ Timing

Total: 682ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`3.134.246.243`
NS	4	`ns-1194.awsdns-21.org, ns-1763.awsdns-28.co.uk...`
MX	2	`aspmx.l.google.com (pri: 10), alt2.aspmx.l.google.com (pri: 20)`
TXT	3	`MS=46BEFF7EC2E1481557D6FD51A7B95B43A3984, google-site-verification=jscypSPrV1RhfpJ...`
SOA	1	`ns-337.awsdns-42.com awsdns-hostmaster.a`

Analysis

Hierarchy

iris.edu is the parent domain of iris.iris.edu, adc1.iris.edu, pptp1.iris.edu, ds.iris.edu, clean.iris.edu and a few other host names.

IP Addresses

iris.edu points to a single IP number: 3.134.246.243.

Additional host names — clean.iris.edu, www.iris.edu, earthscienceliteracy.org and two others — share IP numbers with iris.edu.

Name Servers

iris.edu has four authoritative name servers: ns-337.awsdns-42.com, ns-787.awsdns-34.net, ns-1194.awsdns-21.org and ns-1763.awsdns-28.co.uk.

iris.edu shares at least some of its name servers with other domains, including farts.social, aol.fr, iolo.in and two others.

These name servers are frequently seen alongside the name servers ns1-24-ap-northeast-2.ec2-rdns.amazonaws.com, ns2-24-ap-northeast-2.ec2-rdns.amazonaws.com, ns3-24-ap-northeast-2.ec2-rdns.amazonaws.com and ns4-24-ap-northeast-2.ec2-rdns.amazonaws.com.

The host names ns-337.awsdns-42.com, ns-787.awsdns-34.net, ns-1194.awsdns-21.org and ns-1763.awsdns-28.co.uk each resolve to two IP addresses: ns-337.awsdns-42.com resolves to 205.251.193.81 and 2600:9000:5301:5100::1; ns-787.awsdns-34.net resolves to 205.251.195.19 and 2600:9000:5303:1300::1; ns-1194.awsdns-21.org resolves to 205.251.196.170 and 2600:9000:5304:aa00::1; ns-1763.awsdns-28.co.uk resolves to 205.251.198.227 and 2600:9000:5306:e300::1.

Mail Servers

iris.edu has two mail servers: aspmx.l.google.com and alt2.aspmx.l.google.com.

iris.edu shares the same mail server setup as other domains, including troa.es, silverstripe.co, ccons.si and two others.

iris.edu shares mail servers — at least in part — with other domains, including hqinvestment.net, tarinco.com, ns500671.ns500731.ns500754.ns500754.ns500671.ns500688.ns500705.ns500671.ns500671.ns500671.lustychickser.com and two others.

These mail servers are frequently used alongside mail servers alt1.aspmx.l.google.com, alt3.aspmx.l.google.com, alt4.aspmx.l.google.com and 4 other.

The two host names aspmx.l.google.com and alt2.aspmx.l.google.com each have a pair of IP addresses: aspmx.l.google.com has 173.194.45.26 and 2607:f8b0:4004:c08::1b, and alt2.aspmx.l.google.com has 172.253.116.27 and 2a00:1450:400b:c02::1b.