proprofskb.com - robtex.com
proprofskb.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:20::681a:6c2🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:20::681a:7c2🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:20::ac43:4b53🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.26.6.194Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.26.7.194Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.75.83🇺🇸 Cloudflare172.67.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | alex.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3b64🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | alex.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c164🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | alex.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2164🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | alex.ns.cloudflare.com | ||||||
| A | 108.162.193.100🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | alex.ns.cloudflare.com | ||||||
| A | 172.64.33.100🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | alex.ns.cloudflare.com | ||||||
| A | 173.245.59.100🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | alex.ns.cloudflare.com | ||||||
| NS | olga.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3a89🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | olga.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c089🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | olga.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2089🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | olga.ns.cloudflare.com | ||||||
| A | 108.162.192.137🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | olga.ns.cloudflare.com | ||||||
| A | 172.64.32.137🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | olga.ns.cloudflare.com | ||||||
| A | 173.245.58.137🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | olga.ns.cloudflare.com | ||||||
| MX | route3.mx.cloudflare.net ⭐ | ||||||
| A | 2606:4700:f5::11🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::12🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::13🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| A | 162.159.205.23Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| A | 162.159.205.24Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| A | 162.159.205.25Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| MX | route1.mx.cloudflare.net(74) | ||||||
| A | 2606:4700:f5::b🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::c🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::d🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| A | 162.159.205.11Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| A | 162.159.205.12Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| A | 162.159.205.13Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| MX | route2.mx.cloudflare.net(88) | ||||||
| A | 2606:4700:f5::e🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::f🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::10🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| A | 162.159.205.17Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| A | 162.159.205.18Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| A | 162.159.205.19Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| TXT | google-site-verification=7STT2MJVN6eY_vQeUlySbF15xqYuSR0rFr2rV-5z1VI | ||||||
| TXT | google-site-verification=UuiVN6Wx7xBjsn-hfodv7L1kzDxzsqB9bb0dq4NHdKY | ||||||
| TXT | v=spf1 include:_spf.mx.cloudflare.net ~all | ||||||
| HTTPS | HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.26.6.194, 104.26.7.194, 172.67.75.83 | ||||||
| IPv6 | 2606:4700:20::681a:6c2, 2606:4700:20::681a:7c2, 2606:4700:20::ac43:4b53 | ||||||
| SOA | alex.ns.cloudflare.comdns@cloudflare.com serial=2398816264 | ||||||
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=1771291435 | ||||||
rank #108237 in the tld
📈 Tranco rank: #891,810
Same first word
proprofskb.com |
DNS History
11 records (11 active, 0 former)
●NSalex.ns.cloudflare.com2026-02-14 → 2026-03-14 · 2 obs
● 2026-03-14 08:54:36
●NSolga.ns.cloudflare.com2026-02-14 → 2026-03-14 · 2 obs
● 2026-03-14 08:54:36
●MXroute1.mx.cloudflare.net2026-02-14 → 2026-03-14 · 2 obs
● 2026-03-14 08:54:36
●MXroute2.mx.cloudflare.net2026-02-14 → 2026-03-14 · 2 obs
● 2026-03-14 08:54:36
●MXroute3.mx.cloudflare.net2026-02-14 → 2026-03-14 · 2 obs
● 2026-03-14 08:54:36
●A104.26.6.1942026-02-14 → 2026-03-14 · 2 obs
● 2026-03-14 08:54:36
●A104.26.7.1942026-02-14 → 2026-03-14 · 2 obs
● 2026-03-14 08:54:36
●A172.67.75.832026-02-14 → 2026-03-14 · 2 obs
● 2026-03-14 08:54:36
●A2606:4700:20::681a:6c22026-02-14 → 2026-03-14 · 2 obs
● 2026-03-14 08:54:36
●A2606:4700:20::681a:7c22026-02-14 → 2026-03-14 · 2 obs
● 2026-03-14 08:54:36
●A2606:4700:20::ac43:4b532026-02-14 → 2026-03-14 · 2 obs
● 2026-03-14 08:54:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| proprofskb.com | alex.ns.cloudflare.com, olga.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server: 108.162.192.137
NS records: alex.ns.cloudflare.com, olga.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for proprofskb.com (unsigned zone)
⏱️ Timing
Total: 379ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 3 | 172.67.75.83, 104.26.6.194... |
| AAAA | 3 | 2606:4700:20::681a:7c2, 2606:4700:20::ac43:4b53... |
| NS | 2 | alex.ns.cloudflare.com, olga.ns.cloudflare.com |
| MX | 3 | route3.mx.cloudflare.net (pri: 70), route1.mx.cloudflare.net (pri: 74)... |
| TXT | 3 | google-site-verification=7STT2MJVN6eY_vQ, google-site-verification=UuiVN6Wx7xBjsn-... |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h2"] |
| SOA | 1 | alex.ns.cloudflare.com dns.cloudflare.co |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (alex.ns.cloudflare.com, alex.ns.cloudflare.com, alex.ns.cloudflare.com...)
Analysis
IP Addresses
proprofskb.com points to six IPs: 2606:4700:20::681a:6c2, 2606:4700:20::681a:7c2, 2606:4700:20::ac43:4b53, 104.26.6.194, 104.26.7.194 and 172.67.75.83.
Other host names including am.globbing.com, ns.chooseby.com, myoh.co.uk, date.gta.world and worldpokertour.com share IP numbers with proprofskb.com.
Name Servers
proprofskb.com's delegation uses two name servers, alex.ns.cloudflare.com and olga.ns.cloudflare.com.
proprofskb.com shares the same name server setup as other domains, for example bidaq.com, freenear.com, putlocker.cam, lplaw.com and proprofsproject.com.
proprofskb.com at least partially shares name servers with other domains, including (0x706f726e)o666c.ru, achhobson.co.nz, hyblanguid.de.com, hiroshidigital.com and najlepszeprzyprawyswiata.pl.
These name servers are often used together with jean.ns.cloudflare.com.
Host names with six IP numbers:
alex.ns.cloudflare.com points to: 2606:4700:58::adf5:3b64, 2803:f800:50::6ca2:c164, 2a06:98c1:50::ac40:2164, 108.162.193.100, 172.64.33.100 and 173.245.59.100.
olga.ns.cloudflare.com points to: 2606:4700:50::adf5:3a89, 2803:f800:50::6ca2:c089, 2a06:98c1:50::ac40:2089, 108.162.192.137, 172.64.32.137 and 173.245.58.137.
Mail Servers
proprofskb.com is handled by three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.
The mail servers for proprofskb.com are shared with other domains, for instance tubeast.com, successmindsetclub.com, css.bg, tharindu.me and dancehistory.org.
Host names with six IP numbers:
route1.mx.cloudflare.net points to 2606:4700:f5::b, 2606:4700:f5::c, 2606:4700:f5::d, 162.159.205.11, 162.159.205.12 and 162.159.205.13.
route2.mx.cloudflare.net points to 2606:4700:f5::e, 2606:4700:f5::f, 2606:4700:f5::10, 162.159.205.17, 162.159.205.18 and 162.159.205.19.
route3.mx.cloudflare.net points to 2606:4700:f5::11, 2606:4700:f5::12, 2606:4700:f5::13, 162.159.205.23, 162.159.205.24 and 162.159.205.25.