🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`corereplystack.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:22af^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:a38d^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.34.175^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.163.141^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`cass.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a51^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cass.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c051^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`cass.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2051^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`cass.ns.cloudflare.com`
		A	108.162.192.81^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cass.ns.cloudflare.com`
		A	172.64.32.81^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cass.ns.cloudflare.com`
		A	173.245.58.81^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cass.ns.cloudflare.com`
NS	`valentin.ns.cloudflare.com`
		A	2606:4700:58::a29f:2cce^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`valentin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3ce^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`valentin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23ce^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`valentin.ns.cloudflare.com`
		A	108.162.195.206^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`valentin.ns.cloudflare.com`
		A	162.159.44.206^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`valentin.ns.cloudflare.com`
		A	172.64.35.206^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`valentin.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c0b::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bj-in-f27.1e100.net`
		A	172.253.115.26^{🇺🇸 Google172.253.115.0/24}
			PTR	`bg-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		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`⁽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::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.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	`google-site-verification=PpW0_JnG7pMAhhDN_IBgVtAhVqeGTczIUeZtP8MQ5KY`
TXT	`v=spf1 include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.34.175, 172.67.163.141
		IPv6 hints	2606:4700:3032::6815:22af, 2606:4700:3033::ac43:a38d
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=21, name=cloudflare-ech.com
SOA	`cass.ns.cloudflare.com`dns@cloudflare.com serial=2413610870

`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=1788815208

Same first word

corereplystack.org

Similar names

replystackcore.org

Previous names

Next names

DNS History

11 records (11 active, 0 former)

●NScass.ns.cloudflare.com2026-08-20 → 2026-09-07 · 2 obs

● 2026-08-20 00:06:10
● 2026-09-07 21:44:10

●NSvalentin.ns.cloudflare.com2026-08-20 → 2026-09-07 · 2 obs

● 2026-08-20 00:06:10
● 2026-09-07 21:44:10

●MXalt1.aspmx.l.google.com2026-08-20 → 2026-09-07 · 2 obs

● 2026-08-20 00:06:10
● 2026-09-07 21:44:10

●MXalt2.aspmx.l.google.com2026-08-20 → 2026-09-07 · 2 obs

● 2026-08-20 00:06:10
● 2026-09-07 21:44:10

●MXalt3.aspmx.l.google.com2026-08-20 → 2026-09-07 · 2 obs

● 2026-08-20 00:06:10
● 2026-09-07 21:44:10

●MXalt4.aspmx.l.google.com2026-08-20 → 2026-09-07 · 2 obs

● 2026-08-20 00:06:10
● 2026-09-07 21:44:10

●MXaspmx.l.google.com2026-08-20 → 2026-09-07 · 2 obs

● 2026-08-20 00:06:10
● 2026-09-07 21:44:10

●A104.21.34.1752026-08-20 → 2026-09-07 · 2 obs

● 2026-08-20 00:06:10
● 2026-09-07 21:44:10

●A172.67.163.1412026-08-20 → 2026-09-07 · 2 obs

● 2026-08-20 00:06:10
● 2026-09-07 21:44:10

●A2606:4700:3032::6815:22af2026-08-20 → 2026-09-07 · 2 obs

● 2026-08-20 00:06:10
● 2026-09-07 21:44:10

●A2606:4700:3033::ac43:a38d2026-08-20 → 2026-09-07 · 2 obs

● 2026-08-20 00:06:10
● 2026-09-07 21:44:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
corereplystack.org	cass.ns.cloudflare.com, valentin.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.35.206

NS records: cass.ns.cloudflare.com, valentin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for corereplystack.org (unsigned zone)

⏱️ Timing

Total: 798ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.34.175, 172.67.163.141`
AAAA	2	`2606:4700:3033::ac43:a38d, 2606:4700:3032::6815:22af`
NS	2	`cass.ns.cloudflare.com, valentin.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	2	`google-site-verification=PpW0_JnG7pMAhhD, v=spf1 include:_spf.google.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`cass.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

corereplystack.org points to the four IP addresses 104.21.34.175, 172.67.163.141, 2606:4700:3032::6815:22af and 2606:4700:3033::ac43:a38d.

Two other host names, along with aqel.network, allyaipc.com and sanjudas-painting.com, also share IP numbers with corereplystack.org.

Name Servers

corereplystack.org is served by two delegated name servers, cass.ns.cloudflare.com and valentin.ns.cloudflare.com.

corereplystack.org shares its NS records with other domains, for example loopreplynexus.org, replygroupflow.org, mihaiblaga.ro and two others.

The name servers of corereplystack.org overlap at least partially with those of other domains — among them 123-410.pages.dev, ddfs1.pages.dev, thecoder.dev and two more.

The name servers heidi.ns.cloudflare.com, noah.ns.cloudflare.com and meadow.ns.cloudflare.com are commonly seen alongside these name servers.

DNS names with 6 IP addresses:

cass.ns.cloudflare.com carries IP addresses 108.162.192.81, 172.64.32.81 and 173.245.58.81, with 3 other addresses beyond those.

valentin.ns.cloudflare.com carries IP addresses 108.162.195.206, 162.159.44.206 and 172.64.35.206, with 3 other addresses beyond those.

Mail Servers

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

There is at least a partial MX overlap between corereplystack.org and other domains, including jedstedmaskinstation.dk, sllewellyn.com, lymingtonrushmore.org and two others.

These mail servers tend to appear in combination with mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 others.

Host names that have two IP addresses:

aspmx.l.google.com maps to two IP addresses — 172.253.115.26 and 2607:f8b0:4004:c0b::1b.

alt1.aspmx.l.google.com maps to two IP addresses — 192.178.234.27 and 2800:3f0:4003:c14::1b.

alt2.aspmx.l.google.com maps to two IP addresses — 172.253.116.27 and 2a00:1450:400b:c02::1b.

alt3.aspmx.l.google.com maps to two IP addresses — 192.178.223.27 and 2a00:1450:4009:c0f::1a.

alt4.aspmx.l.google.com maps to two IP addresses — 172.253.157.26 and 2a00:1450:400c:c23::1a.