coding4tutor.com - robtex.com
coding4tutor.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::6815:5289Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::ac43:ca7dCloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.82.137Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.202.125Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | damien.ns.cloudflare.com ⭐ | ||||||
| NS | ursula.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:26bfCloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 2803:f800:50::6ca2:c2bfCloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| A | 2a06:98c1:50::ac40:22bfCloudflare2a06:98c1:50::/45 | ||||||
| A | 108.162.194.191Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 162.159.38.191Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 172.64.34.191Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| MX | mxa.eu.mailgun.org ⭐ | ||||||
| MX | mxb.eu.mailgun.org ⭐ | ||||||
| TXT | v=spf1 include:mailgun.org ~all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.82.137, 172.67.202.125 | ||||||
| IPv6 hints | 2606:4700:3030::6815:5289, 2606:4700:3035::ac43:ca7d | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=107, name=cloudflare-ech.com | ||||||
| SOA | damien.ns.cloudflare.comdns@cloudflare.com serial=2413624662 | ||||||
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=1790092604 | ||||||
Same first word
coding4tutor.com |
Similar names
DNS History
14 records (8 active, 6 former)
●NSdamien.ns.cloudflare.com2026-08-31 → 2026-09-22 · 2 obs
● 2026-08-31 23:43:20
● 2026-09-22 16:03:26
● 2026-09-22 16:03:26
●NSursula.ns.cloudflare.com2026-08-31 → 2026-09-22 · 2 obs
● 2026-08-31 23:43:20
● 2026-09-22 16:03:26
● 2026-09-22 16:03:26
●MXmxa.eu.mailgun.org2026-08-31 → 2026-09-22 · 2 obs
● 2026-08-31 23:43:20
● 2026-09-22 16:03:26
● 2026-09-22 16:03:26
●MXmxb.eu.mailgun.org2026-08-31 → 2026-09-22 · 2 obs
● 2026-08-31 23:43:20
● 2026-09-22 16:03:26
● 2026-09-22 16:03:26
●A104.21.82.1372026-09-02 → 2026-09-22 · 7 obs
○ 2026-08-31 23:43:20
● 2026-09-02 12:13:32
○ 2026-09-08 11:42:38
● 2026-09-09 10:00:44
○ 2026-09-11 21:00:08
● 2026-09-18 02:24:50
● 2026-09-22 16:03:26
● 2026-09-02 12:13:32
○ 2026-09-08 11:42:38
● 2026-09-09 10:00:44
○ 2026-09-11 21:00:08
● 2026-09-18 02:24:50
● 2026-09-22 16:03:26
●A172.67.202.1252026-09-02 → 2026-09-22 · 7 obs
○ 2026-08-31 23:43:20
● 2026-09-02 12:13:32
○ 2026-09-08 11:42:38
● 2026-09-09 10:00:44
○ 2026-09-11 21:00:08
● 2026-09-18 02:24:50
● 2026-09-22 16:03:26
● 2026-09-02 12:13:32
○ 2026-09-08 11:42:38
● 2026-09-09 10:00:44
○ 2026-09-11 21:00:08
● 2026-09-18 02:24:50
● 2026-09-22 16:03:26
○A188.114.96.02026-08-31 → 2026-09-11 · 7 obs
● 2026-08-31 23:43:20
○ 2026-09-02 12:13:32
● 2026-09-08 11:42:38
○ 2026-09-09 10:00:44
● 2026-09-11 21:00:08
○ 2026-09-18 02:24:50
○ 2026-09-22 16:03:26
○ 2026-09-02 12:13:32
● 2026-09-08 11:42:38
○ 2026-09-09 10:00:44
● 2026-09-11 21:00:08
○ 2026-09-18 02:24:50
○ 2026-09-22 16:03:26
○A188.114.97.02026-08-31 → 2026-09-11 · 7 obs
● 2026-08-31 23:43:20
○ 2026-09-02 12:13:32
● 2026-09-08 11:42:38
○ 2026-09-09 10:00:44
● 2026-09-11 21:00:08
○ 2026-09-18 02:24:50
○ 2026-09-22 16:03:26
○ 2026-09-02 12:13:32
● 2026-09-08 11:42:38
○ 2026-09-09 10:00:44
● 2026-09-11 21:00:08
○ 2026-09-18 02:24:50
○ 2026-09-22 16:03:26
●A2606:4700:3030::6815:52892026-09-02 → 2026-09-22 · 7 obs
○ 2026-08-31 23:43:20
● 2026-09-02 12:13:32
○ 2026-09-08 11:42:38
● 2026-09-09 10:00:44
○ 2026-09-11 21:00:08
● 2026-09-18 02:24:50
● 2026-09-22 16:03:26
● 2026-09-02 12:13:32
○ 2026-09-08 11:42:38
● 2026-09-09 10:00:44
○ 2026-09-11 21:00:08
● 2026-09-18 02:24:50
● 2026-09-22 16:03:26
●A2606:4700:3035::ac43:ca7d2026-09-02 → 2026-09-22 · 7 obs
○ 2026-08-31 23:43:20
● 2026-09-02 12:13:32
○ 2026-09-08 11:42:38
● 2026-09-09 10:00:44
○ 2026-09-11 21:00:08
● 2026-09-18 02:24:50
● 2026-09-22 16:03:26
● 2026-09-02 12:13:32
○ 2026-09-08 11:42:38
● 2026-09-09 10:00:44
○ 2026-09-11 21:00:08
● 2026-09-18 02:24:50
● 2026-09-22 16:03:26
○A2a06:98c1:3120::2026-08-31 → 2026-09-11 · 7 obs
● 2026-08-31 23:43:20
○ 2026-09-02 12:13:32
● 2026-09-08 11:42:38
○ 2026-09-09 10:00:44
● 2026-09-11 21:00:08
○ 2026-09-14 13:00:18
○ 2026-09-22 16:03:26
○ 2026-09-02 12:13:32
● 2026-09-08 11:42:38
○ 2026-09-09 10:00:44
● 2026-09-11 21:00:08
○ 2026-09-14 13:00:18
○ 2026-09-22 16:03:26
○A2a06:98c1:3120::42026-09-14 → 2026-09-14 · 4 obs
○ 2026-09-11 21:00:08
● 2026-09-14 13:00:18
○ 2026-09-18 02:24:50
○ 2026-09-22 16:03:26
● 2026-09-14 13:00:18
○ 2026-09-18 02:24:50
○ 2026-09-22 16:03:26
○A2a06:98c1:3121::2026-08-31 → 2026-09-11 · 7 obs
● 2026-08-31 23:43:20
○ 2026-09-02 12:13:32
● 2026-09-08 11:42:38
○ 2026-09-09 10:00:44
● 2026-09-11 21:00:08
○ 2026-09-14 13:00:18
○ 2026-09-22 16:03:26
○ 2026-09-02 12:13:32
● 2026-09-08 11:42:38
○ 2026-09-09 10:00:44
● 2026-09-11 21:00:08
○ 2026-09-14 13:00:18
○ 2026-09-22 16:03:26
○A2a06:98c1:3121::42026-09-14 → 2026-09-14 · 4 obs
○ 2026-09-11 21:00:08
● 2026-09-14 13:00:18
○ 2026-09-18 02:24:50
○ 2026-09-22 16:03:26
● 2026-09-14 13:00:18
○ 2026-09-18 02:24:50
○ 2026-09-22 16:03:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| coding4tutor.com | ursula.ns.cloudflare.com, damien.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.194.191
NS records: ursula.ns.cloudflare.com, damien.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
Root DNSKEY fetch failed: Error: connect EADDRNOTAVAIL 198.41.0.4:53 - Local (0.0.0.0:0)
⏱️ Timing
Total: 163ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.82.137, 172.67.202.125 |
| AAAA | 2 | 2606:4700:3035::ac43:ca7d, 2606:4700:3030::6815:5289 |
| NS | 2 | damien.ns.cloudflare.com, ursula.ns.cloudflare.com |
| MX | 2 | mxa.eu.mailgun.org (pri: 10), mxb.eu.mailgun.org (pri: 10) |
| TXT | 1 | v=spf1 include:mailgun.org ~all |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | damien.ns.cloudflare.com dns.cloudflare. |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (ursula.ns.cloudflare.com, ursula.ns.cloudflare.com, ursula.ns.cloudflare.com...)
Analysis
IP Addresses
coding4tutor.com directs to four IP numbers, which are 104.21.82.137, 172.67.202.125, 2606:4700:3030::6815:5289 and 2606:4700:3035::ac43:ca7d.
Name Servers
coding4tutor.com is served by two delegated name servers, damien.ns.cloudflare.com and ursula.ns.cloudflare.com.
Hostnames that resolve to 6 IP addresses:
ursula.ns.cloudflare.com carries IP addresses 108.162.194.191, 162.159.38.191 and 172.64.34.191, with 3 other addresses beyond those.
Mail Servers
Mail for coding4tutor.com is handled by two mail servers — mxa.eu.mailgun.org and mxb.eu.mailgun.org.