react-certification.com - robtex.com
react-certification.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::ac43:ced2🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3032::6815:2aaf🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.42.175Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.206.210🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | courtney.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::a29f:2682🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | courtney.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c282🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | courtney.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2282🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | courtney.ns.cloudflare.com | ||||||
| A | 108.162.194.130🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | courtney.ns.cloudflare.com | ||||||
| A | 162.159.38.130Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | courtney.ns.cloudflare.com | ||||||
| A | 172.64.34.130🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | courtney.ns.cloudflare.com | ||||||
| NS | darl.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3b62🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | darl.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c162🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | darl.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2162🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | darl.ns.cloudflare.com | ||||||
| A | 108.162.193.98🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | darl.ns.cloudflare.com | ||||||
| A | 172.64.33.98🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | darl.ns.cloudflare.com | ||||||
| A | 173.245.59.98🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | darl.ns.cloudflare.com | ||||||
| MX | _dc-mx.eee12eefe8bb.react-certification.com ⭐ | ||||||
| A | 173.254.30.34🇺🇸 EIGI173.254.30.0/23 | ||||||
| PTR | just2032.justhost.com | ||||||
| MX | _dc-mx.69caadd4f448.react-certification.com(10) | ||||||
| A | 173.254.30.34🇺🇸 EIGI173.254.30.0/23 | ||||||
| PTR | just2032.justhost.com | ||||||
| TXT | v=spf1 a mx include:websitewelcome.com ~all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.42.175, 172.67.206.210 | ||||||
| IPv6 hints | 2606:4700:3030::ac43:ced2, 2606:4700:3032::6815:2aaf | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=247, name=cloudflare-ech.com | ||||||
| SOA | courtney.ns.cloudflare.comdns@cloudflare.com serial=2413694956 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1788378170 | ||||||
Same first word
react-certification.com |
Previous names
Next names
DNS History
12 records (8 active, 4 former)
●NScourtney.ns.cloudflare.com2026-08-26 → 2026-09-02 · 2 obs
● 2026-09-02 20:07:20
●NSdarl.ns.cloudflare.com2026-08-26 → 2026-09-02 · 2 obs
● 2026-09-02 20:07:20
●MX_dc-mx.69caadd4f448.react-certification.com2026-08-26 → 2026-09-02 · 2 obs
● 2026-09-02 20:07:20
●MX_dc-mx.eee12eefe8bb.react-certification.com2026-08-26 → 2026-09-02 · 2 obs
● 2026-09-02 20:07:20
●A104.21.42.1752026-08-31 → 2026-09-02 · 3 obs
● 2026-08-31 10:47:26
● 2026-09-02 20:07:20
●A172.67.206.2102026-08-31 → 2026-09-02 · 3 obs
● 2026-08-31 10:47:26
● 2026-09-02 20:07:20
○A188.114.96.02026-08-26 → 2026-08-26 · 3 obs
○ 2026-08-31 10:47:26
○ 2026-09-02 20:07:20
○A188.114.97.02026-08-26 → 2026-08-26 · 3 obs
○ 2026-08-31 10:47:26
○ 2026-09-02 20:07:20
●A2606:4700:3030::ac43:ced22026-08-31 → 2026-09-02 · 3 obs
● 2026-08-31 10:47:26
● 2026-09-02 20:07:20
●A2606:4700:3032::6815:2aaf2026-08-31 → 2026-09-02 · 3 obs
● 2026-08-31 10:47:26
● 2026-09-02 20:07:20
○A2a06:98c1:3120::2026-08-26 → 2026-08-26 · 3 obs
○ 2026-08-31 10:47:26
○ 2026-09-02 20:07:20
○A2a06:98c1:3121::2026-08-26 → 2026-08-26 · 3 obs
○ 2026-08-31 10:47:26
○ 2026-09-02 20:07:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | d.gtld-servers.net, j.gtld-servers.net, a.gtld-servers.net, h.gtld-servers.net... | - |
| react-certification.com | darl.ns.cloudflare.com, courtney.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.194.130
NS records: darl.ns.cloudflare.com, courtney.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for react-certification.com (unsigned zone)
⏱️ Timing
Total: 4080ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.206.210, 104.21.42.175 |
| AAAA | 2 | 2606:4700:3030::ac43:ced2, 2606:4700:3032::6815:2aaf |
| NS | 2 | courtney.ns.cloudflare.com, darl.ns.cloudflare.com |
| MX | 2 | _dc-mx.eee12eefe8bb.react-certification., _dc-mx.69caadd4f448.react-certification. |
| TXT | 1 | v=spf1 a mx include:websitewelcome.com ~ |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | courtney.ns.cloudflare.com dns.cloudflar |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (darl.ns.cloudflare.com, darl.ns.cloudflare.com, darl.ns.cloudflare.com...)
Analysis
IP Addresses
react-certification.com has four IP addresses: 104.21.42.175, 172.67.206.210, 2606:4700:3030::ac43:ced2 and 2606:4700:3032::6815:2aaf.
Among the host names that share IP numbers with react-certification.com are zydecoworld.com, setlog.net, cocuk-norolojisi.com and two others.
Name Servers
react-certification.com has two authoritative name servers — courtney.ns.cloudflare.com and darl.ns.cloudflare.com.
react-certification.com has the same name server delegation as a number of other domains, such as coinme.one, kyndallynn(0x6e756465).pages.dev, spielvereinigung-sandhofen-de.pages.dev and two more.
react-certification.com has at least partial name server overlap with other domains, such as culturexglobe.com, ujang303vvip.com, getmerger.co and two others.
It is common to find these name servers paired with the name servers rosa.ns.cloudflare.com.
Host names resolving to 6 IP numbers:
courtney.ns.cloudflare.com points to 108.162.194.130, 162.159.38.130, 172.64.34.130 and 3 other IP addresses.
darl.ns.cloudflare.com points to 108.162.193.98, 172.64.33.98, 173.245.59.98 and 3 other IP addresses.
Mail Servers
The MX records for react-certification.com point to two mail servers: _dc-mx.69caadd4f448.react-certification.com and _dc-mx.eee12eefe8bb.react-certification.com.
_dc-mx.69caadd4f448.react-certification.com and _dc-mx.eee12eefe8bb.react-certification.com each point to one IP address — 173.254.30.34.
The host names _dc-mx.69caadd4f448.react-certification.com and _dc-mx.eee12eefe8bb.react-certification.com both resolve to 173.254.30.34 IP addresses.