testabilityexplorer.org - dns.ninja

`testabilityexplorer.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:5531^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:ca76^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.85.49^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.202.118^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`joselyn.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:262b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`joselyn.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c22b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`joselyn.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:222b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`joselyn.ns.cloudflare.com`
		A	108.162.194.43^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`joselyn.ns.cloudflare.com`
		A	162.159.38.43^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`joselyn.ns.cloudflare.com`
		A	172.64.34.43^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`joselyn.ns.cloudflare.com`
NS	`skip.ns.cloudflare.com`
		A	2606:4700:58::adf5:3be9^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`skip.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1e9^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`skip.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21e9^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`skip.ns.cloudflare.com`
		A	108.162.193.233^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`skip.ns.cloudflare.com`
		A	172.64.33.233^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`skip.ns.cloudflare.com`
		A	173.245.59.233^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`skip.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c09::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bh-in-f26.1e100.net`
		A	142.251.167.26^{🇺🇸 Google142.251.167.0/24}
			PTR	`ww-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		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	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f26.1e100.net`
		A	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f26.1e100.net`
TXT	`v=spf1 a mx include:_spf.google.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.85.49, 172.67.202.118
		IPv6 hints	2606:4700:3033::6815:5531, 2606:4700:3033::ac43:ca76
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=163, name=cloudflare-ech.com
SOA	`joselyn.ns.cloudflare.com`dns@cloudflare.com serial=2406656063

`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=1781592468

Previously MX for

testabilityexplorer.org

Same first word

testabilityexplorer.org

DNS History

29 records (11 active, 18 former)

●NSjoselyn.ns.cloudflare.com2026-02-15 → 2026-06-16 · 3 obs

○ 2017-04-20 04:03:42
● 2026-02-15 07:23:06
● 2026-06-16 07:32:26

○NSns0.leaseweb.nl2017-04-20 → 2017-04-20 · 4 obs

○ 2016-09-09 17:07:08
● 2017-04-20 04:03:42
○ 2026-02-15 07:23:06
○ 2026-06-16 07:32:26

○NSns1.leaseweb.nl2017-04-20 → 2017-04-20 · 4 obs

○ 2016-09-09 17:07:08
● 2017-04-20 04:03:42
○ 2026-02-15 07:23:06
○ 2026-06-16 07:32:26

○NSns1.xserver.jp2015-05-25 → 2016-04-03 · 4 obs

● 2015-05-25 14:51:22
● 2016-04-03 15:42:14
○ 2016-09-09 17:07:08
○ 2026-06-16 07:32:26

○NSns2.xserver.jp2015-05-25 → 2016-04-03 · 4 obs

● 2015-05-25 14:51:22
● 2016-04-03 15:42:14
○ 2016-09-09 17:07:08
○ 2026-06-16 07:32:26

○NSns3.xserver.jp2015-05-25 → 2016-04-03 · 4 obs

● 2015-05-25 14:51:22
● 2016-04-03 15:42:14
○ 2016-09-09 17:07:08
○ 2026-06-16 07:32:26

○NSns4.leaseweb.net2017-04-20 → 2017-04-20 · 4 obs

○ 2016-09-09 17:07:08
● 2017-04-20 04:03:42
○ 2026-02-15 07:23:06
○ 2026-06-16 07:32:26

○NSns4.xserver.jp2015-05-25 → 2016-04-03 · 4 obs

● 2015-05-25 14:51:22
● 2016-04-03 15:42:14
○ 2016-09-09 17:07:08
○ 2026-06-16 07:32:26

○NSns5.leaseweb.nl2017-04-20 → 2017-04-20 · 4 obs

○ 2016-09-09 17:07:08
● 2017-04-20 04:03:42
○ 2026-02-15 07:23:06
○ 2026-06-16 07:32:26

○NSns5.xserver.jp2015-05-25 → 2016-04-03 · 4 obs

● 2015-05-25 14:51:22
● 2016-04-03 15:42:14
○ 2016-09-09 17:07:08
○ 2026-06-16 07:32:26

●NSskip.ns.cloudflare.com2026-02-15 → 2026-06-16 · 3 obs

○ 2017-04-20 04:03:42
● 2026-02-15 07:23:06
● 2026-06-16 07:32:26

●MXalt1.aspmx.l.google.com2026-02-15 → 2026-06-16 · 3 obs

○ 2017-04-20 04:03:42
● 2026-02-15 07:23:06
● 2026-06-16 07:32:26

●MXalt2.aspmx.l.google.com2026-02-15 → 2026-06-16 · 3 obs

○ 2017-04-20 04:03:42
● 2026-02-15 07:23:06
● 2026-06-16 07:32:26

●MXalt3.aspmx.l.google.com2026-02-15 → 2026-06-16 · 3 obs

○ 2017-04-20 04:03:42
● 2026-02-15 07:23:06
● 2026-06-16 07:32:26

●MXalt4.aspmx.l.google.com2026-02-15 → 2026-06-16 · 3 obs

○ 2017-04-20 04:03:42
● 2026-02-15 07:23:06
● 2026-06-16 07:32:26

●MXaspmx.l.google.com2026-02-15 → 2026-06-16 · 3 obs

○ 2017-04-20 04:03:42
● 2026-02-15 07:23:06
● 2026-06-16 07:32:26

○MXmail.testabilityexplorer.org2017-04-20 → 2017-04-20 · 4 obs

○ 2016-09-09 17:07:08
● 2017-04-20 04:03:42
○ 2026-02-15 07:23:06
○ 2026-06-16 07:32:26

○MXtestabilityexplorer.org2015-05-25 → 2016-04-03 · 4 obs

● 2015-05-25 14:51:22
● 2016-04-03 15:42:14
○ 2016-09-09 17:07:08
○ 2026-06-16 07:32:26

●A104.21.85.492026-02-15 → 2026-06-16 · 11 obs

○ 2017-04-20 04:03:42
● 2026-02-15 07:23:06
● 2026-03-08 01:40:00
○ 2026-03-10 15:13:58
● 2026-03-19 22:59:12
● 2026-03-21 13:03:34
○ 2026-03-21 13:52:38
● 2026-03-24 00:13:06
○ 2026-03-24 08:12:06
● 2026-04-06 19:33:10
● 2026-06-16 07:32:26

○A172.64.80.12026-03-21 → 2026-03-21 · 4 obs

○ 2026-03-21 13:03:34
● 2026-03-21 13:52:38
○ 2026-03-24 00:13:06
○ 2026-06-16 07:32:26

●A172.67.202.1182026-02-15 → 2026-06-16 · 11 obs

○A188.114.96.02026-03-10 → 2026-03-24 · 7 obs

○ 2026-03-08 01:40:00
● 2026-03-10 15:13:58
○ 2026-03-19 22:59:12
○ 2026-03-24 00:13:06
● 2026-03-24 08:12:06
○ 2026-04-06 19:33:10
○ 2026-06-16 07:32:26

○A188.114.97.02026-03-10 → 2026-03-24 · 7 obs

○ 2026-03-08 01:40:00
● 2026-03-10 15:13:58
○ 2026-03-19 22:59:12
○ 2026-03-24 00:13:06
● 2026-03-24 08:12:06
○ 2026-04-06 19:33:10
○ 2026-06-16 07:32:26

○A207.244.105.2262017-04-20 → 2017-04-20 · 4 obs

○ 2016-09-09 17:07:08
● 2017-04-20 04:03:42
○ 2026-02-15 07:23:06
○ 2026-06-16 07:32:26

○A219.94.203.1692015-05-25 → 2016-04-03 · 4 obs

● 2015-05-25 14:51:22
● 2016-04-03 15:42:14
○ 2016-09-09 17:07:08
○ 2026-06-16 07:32:26

●A2606:4700:3033::6815:55312026-02-15 → 2026-06-16 · 9 obs

○ 2017-04-20 04:03:42
● 2026-02-15 07:23:06
● 2026-03-08 01:40:00
○ 2026-03-10 15:13:58
● 2026-03-19 22:59:12
● 2026-03-24 00:13:06
○ 2026-03-24 08:12:06
● 2026-04-06 19:33:10
● 2026-06-16 07:32:26

●A2606:4700:3033::ac43:ca762026-02-15 → 2026-06-16 · 9 obs

○A2a06:98c1:3120::2026-03-10 → 2026-03-24 · 7 obs

○ 2026-03-08 01:40:00
● 2026-03-10 15:13:58
○ 2026-03-19 22:59:12
○ 2026-03-24 00:13:06
● 2026-03-24 08:12:06
○ 2026-04-06 19:33:10
○ 2026-06-16 07:32:26

○A2a06:98c1:3121::2026-03-10 → 2026-03-24 · 7 obs

○ 2026-03-08 01:40:00
● 2026-03-10 15:13:58
○ 2026-03-19 22:59:12
○ 2026-03-24 00:13:06
● 2026-03-24 08:12:06
○ 2026-04-06 19:33:10
○ 2026-06-16 07:32:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
testabilityexplorer.org	joselyn.ns.cloudflare.com, skip.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.193.233

NS records: joselyn.ns.cloudflare.com, skip.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for testabilityexplorer.org (unsigned zone)

⏱️ Timing

Total: 753ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.202.118, 104.21.85.49`
AAAA	2	`2606:4700:3033::6815:5531, 2606:4700:3033::ac43:ca76`
NS	2	`joselyn.ns.cloudflare.com, skip.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	1	`v=spf1 a mx include:_spf.google.com -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`joselyn.ns.cloudflare.com dns.cloudflare`

Analysis

IP Addresses

testabilityexplorer.org points to the four IP addresses 104.21.85.49, 172.67.202.118, 2606:4700:3033::6815:5531 and 2606:4700:3033::ac43:ca76.

Additional host names — ecycle.be, windows8startbutton.com, planggo.com and two others — share IP numbers with testabilityexplorer.org.

Name Servers

testabilityexplorer.org has two authoritative name servers — joselyn.ns.cloudflare.com and skip.ns.cloudflare.com.

testabilityexplorer.org shares its name server setup with other domains, including nameexperts.com, fodendogostoso.com, multisender.org and two others.

At least some of testabilityexplorer.org's name servers are shared with other domains, for example drstefaniepettaway.com, quandora.com, greenflowinformation.com and two more.

It is common for these name servers to be used in conjunction with the name servers sharon.ns.cloudflare.com, lola.ns.cloudflare.com and mack.ns.cloudflare.com.

Host names with 6 IP numbers:

joselyn.ns.cloudflare.com points to 108.162.194.43, 162.159.38.43, 172.64.34.43 and 3 other IP addresses.

skip.ns.cloudflare.com points to 108.162.193.233, 172.64.33.233, 173.245.59.233 and 3 other IP addresses.

Mail Servers

testabilityexplorer.org has five mail servers, which are aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

testabilityexplorer.org shares mail servers — at least in part — with other domains, including yoeinstein.com, ns500671.ns500754.ns500754.ns500742.ns500704.ns500705.ns500704.ns500688.ns500291.ns500666.tenderladiesbz.com, petran.co and two others.

These mail servers are frequently paired with the mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com.

Host names with two IP numbers:

aspmx.l.google.com resolves to 142.251.167.26 and 2607:f8b0:4004:c09::1a.

alt1.aspmx.l.google.com resolves to 108.177.123.26 and 2800:3f0:4003:c0f::1b.

alt2.aspmx.l.google.com resolves to 172.253.116.27 and 2a00:1450:400b:c02::1b.

alt3.aspmx.l.google.com resolves to 192.178.223.27 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com resolves to 172.253.157.26 and 2a00:1450:400c:c23::1a.