mailkub.com - robtex.com
mailkub.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::ac43:8825🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3033::6815:4eb1🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.78.177Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.136.37🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | ariadne.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::a29f:26e1🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ariadne.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2e1🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | ariadne.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22e1🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | ariadne.ns.cloudflare.com | ||||||
| A | 108.162.194.225🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ariadne.ns.cloudflare.com | ||||||
| A | 162.159.38.225Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ariadne.ns.cloudflare.com | ||||||
| A | 172.64.34.225🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ariadne.ns.cloudflare.com | ||||||
| NS | venkat.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2cfe🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | venkat.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c3fe🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | venkat.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:23fe🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | venkat.ns.cloudflare.com | ||||||
| A | 108.162.195.254🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | venkat.ns.cloudflare.com | ||||||
| A | 162.159.44.254Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | venkat.ns.cloudflare.com | ||||||
| A | 172.64.35.254🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | venkat.ns.cloudflare.com | ||||||
| MX | _dc-mx.5a2a317de2e1.mailkub.com ⭐ | ||||||
| A | 27.254.145.226🇹🇭 CSLOX-IDC-AS-AP27.254.128.0/19 CS Loxinfo Public Company Limited 90 CW Tower A 17-20th floor Ratchadapisek Rd Huai Kwang | ||||||
| TXT | v=spf1 a mx ~all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.78.177, 172.67.136.37 | ||||||
| IPv6 | 2606:4700:3031::ac43:8825, 2606:4700:3033::6815:4eb1 | ||||||
| SOA | ariadne.ns.cloudflare.comdns@cloudflare.com serial=2398671427 | ||||||
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 | ||||||
Same first word
mailkub.com |
Similar names
kubmail.com |
kambuli.com |
lubimka.eu |
lubimka.com.ua |
albumik.com |
klimabu.com |
iklumba.com |
kaiblum.com |
kimulab.net |
bmikula.com |
baikuml.com |
ulakbim.gov.tr |
DNS History
7 records (7 active, 0 former)
●NSariadne.ns.cloudflare.com2026-03-15 → 2026-03-22 · 2 obs
● 2026-03-22 19:32:54
●NSvenkat.ns.cloudflare.com2026-03-15 → 2026-03-22 · 2 obs
● 2026-03-22 19:32:54
●MX_dc-mx.5a2a317de2e1.mailkub.com2026-03-15 → 2026-03-22 · 2 obs
● 2026-03-22 19:32:54
●A104.21.78.1772026-03-15 → 2026-03-22 · 2 obs
● 2026-03-22 19:32:54
●A172.67.136.372026-03-15 → 2026-03-22 · 2 obs
● 2026-03-22 19:32:54
●A2606:4700:3031::ac43:88252026-03-15 → 2026-03-22 · 2 obs
● 2026-03-22 19:32:54
●A2606:4700:3033::6815:4eb12026-03-15 → 2026-03-22 · 2 obs
● 2026-03-22 19:32:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| mailkub.com | venkat.ns.cloudflare.com, ariadne.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server: 108.162.195.254
NS records: venkat.ns.cloudflare.com, ariadne.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mailkub.com (unsigned zone)
⏱️ Timing
Total: 167ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.78.177, 172.67.136.37 |
| AAAA | 2 | 2606:4700:3033::6815:4eb1, 2606:4700:3031::ac43:8825 |
| NS | 2 | ariadne.ns.cloudflare.com, venkat.ns.cloudflare.com |
| MX | 1 | _dc-mx.5a2a317de2e1.mailkub.com (pri: 10 |
| TXT | 1 | v=spf1 a mx ~all |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | ariadne.ns.cloudflare.com dns.cloudflare |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (venkat.ns.cloudflare.com, venkat.ns.cloudflare.com, venkat.ns.cloudflare.com...)
Analysis
IP Addresses
mailkub.com maps to four IP numbers: 2606:4700:3031::ac43:8825, 2606:4700:3033::6815:4eb1, 104.21.78.177 and 172.67.136.37.
Other host names, for instance cirugiabariatricachihuahua.com, radiatorexpressnetwork.com, yuankehui.com, stylerggk.com and 622777b.com share IP numbers with mailkub.com.
Name Servers
Two name servers ariadne.ns.cloudflare.com and venkat.ns.cloudflare.com are delegated to mailkub.com.
mailkub.com uses the same name server configuration as other domains, such as ofo-home.top, rentalmotorbikemedan.com, fancyrice.com, coursehot.com and livehealrightnow.com.
mailkub.com at least partially shares name servers with other domains such as longuevilleprivate.com.au, autocasion.es, bluechipcommunity.com, scjrjd.com and mlmonline.club.
these name servers are commonly used with the name servers anderson.ns.cloudflare.com.
Host names with six IP numbers: Host name ariadne.ns.cloudflare.com points to 2606:4700:50::a29f:26e1, 2803:f800:50::6ca2:c2e1, 2a06:98c1:50::ac40:22e1, 108.162.194.225, 162.159.38.225 and 172.64.34.225; host name venkat.ns.cloudflare.com points to 2606:4700:58::a29f:2cfe, 2803:f800:50::6ca2:c3fe, 2a06:98c1:50::ac40:23fe, 108.162.195.254, 162.159.44.254 and 172.64.35.254.
Mail Servers
mailkub.com is handled by a single mail server, _dc-mx.5a2a317de2e1.mailkub.com.
_dc-mx.5a2a317de2e1.mailkub.com points to one IP number: 27.254.145.226.