codegree.org - dns.ninja
codegree.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3034::ac43:ab35🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3036::6815:1d03🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.29.3Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.171.53🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | corey.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::a29f:2c18🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | corey.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c318🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | corey.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2318🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | corey.ns.cloudflare.com | ||||||
| A | 108.162.195.24🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | corey.ns.cloudflare.com | ||||||
| A | 162.159.44.24Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | corey.ns.cloudflare.com | ||||||
| A | 172.64.35.24🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | corey.ns.cloudflare.com | ||||||
| NS | sreeni.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:26b2🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sreeni.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2b2🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | sreeni.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22b2🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | sreeni.ns.cloudflare.com | ||||||
| A | 108.162.194.178🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sreeni.ns.cloudflare.com | ||||||
| A | 162.159.38.178Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sreeni.ns.cloudflare.com | ||||||
| A | 172.64.34.178🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sreeni.ns.cloudflare.com | ||||||
| MX | mx00.udag.de ⭐ | ||||||
| A | 62.146.106.39🇩🇪 IPX-AS1559862.146.104.0/22 NorthC Deutschland GmbH | ||||||
| PTR | mx00.udag.de | ||||||
| MX | mx01.udag.de(20) | ||||||
| A | 62.146.106.40🇩🇪 IPX-AS1559862.146.104.0/22 NorthC Deutschland GmbH | ||||||
| PTR | mx01.udag.de | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.29.3, 172.67.171.53 | ||||||
| IPv6 hints | 2606:4700:3034::ac43:ab35, 2606:4700:3036::6815:1d03 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=53, name=cloudflare-ech.com | ||||||
| SOA | corey.ns.cloudflare.comdns@cloudflare.com serial=2414827445 | ||||||
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.infohostmaster@donuts.email serial=1792591531 | ||||||
Same first word
Similar names
Previous names
Next names
DNS History
8 records (8 active, 0 former)
●NScorey.ns.cloudflare.com2026-09-13 → 2026-10-21 · 2 obs
● 2026-10-21 14:26:02
●NSsreeni.ns.cloudflare.com2026-09-13 → 2026-10-21 · 2 obs
● 2026-10-21 14:26:02
●A104.21.29.32026-09-13 → 2026-10-21 · 2 obs
● 2026-10-21 14:26:02
●A172.67.171.532026-09-13 → 2026-10-21 · 2 obs
● 2026-10-21 14:26:02
●A2606:4700:3034::ac43:ab352026-09-13 → 2026-10-21 · 2 obs
● 2026-10-21 14:26:02
●A2606:4700:3036::6815:1d032026-09-13 → 2026-10-21 · 2 obs
● 2026-10-21 14:26:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| codegree.org | corey.ns.cloudflare.com, sreeni.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.34.178
NS records: corey.ns.cloudflare.com, sreeni.ns.cloudflare.com
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
Validation error at org: Error: DNS query timeout: 199.19.54.1 for DNSKEY org
⏱️ Timing
Total: 4365ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.29.3, 172.67.171.53 |
| AAAA | 2 | 2606:4700:3034::ac43:ab35, 2606:4700:3036::6815:1d03 |
| NS | 2 | corey.ns.cloudflare.com, sreeni.ns.cloudflare.com |
| MX | 2 | mx00.udag.de (pri: 10), mx01.udag.de (pri: 20) |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | corey.ns.cloudflare.com dns.cloudflare.c |
Analysis
IP Addresses
codegree.org resolves to four IP addresses: 104.21.29.3, 172.67.171.53, 2606:4700:3034::ac43:ab35 and 2606:4700:3036::6815:1d03.
Additional host names — codefinitysystems.biz, hitheg.mom, landrumlube.com and two others — share IP numbers with codegree.org.
Name Servers
codegree.org is delegated to two name servers: corey.ns.cloudflare.com and sreeni.ns.cloudflare.com.
codegree.org shares its name server setup with other domains, including jannakreagerp0h76.pages.dev, chickencrosssite.com, mizu-9125.workers.dev and two others.
codegree.org partially shares its NS delegation with several other domains, including ipsesb.com, vozzo-website.pages.dev, flagman.ltd and two others.
These name servers often co-occur with the name servers anahi.ns.cloudflare.com.
Host names with 6 IP numbers:
corey.ns.cloudflare.com resolves to 108.162.195.24, 162.159.44.24, 172.64.35.24 and 3 other IP addresses.
sreeni.ns.cloudflare.com resolves to 108.162.194.178, 162.159.38.178, 172.64.34.178 and 3 other IP addresses.
Mail Servers
codegree.org has two mail servers: mx00.udag.de and mx01.udag.de.
codegree.org shares the same mail server setup as other domains, including equivalenz.de, k-active.de, my-blades.com and two others.
At least a portion of codegree.org's mail servers are also used by other domains, for example theaterlandschaften-kaufbeuren.de.
mx00.udag.de resolves to 62.146.106.39. mx01.udag.de resolves to 62.146.106.40. Both host names point to a single IP number.