okcombo.com - dns.ninja
okcombo.com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 2606:4700:3031::6815:4962🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:a0e9🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.73.98Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.160.233🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | robert.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::a29f:2c8c🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | robert.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c38c🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | robert.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:238c🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | robert.ns.cloudflare.com | ||||||
| A | 108.162.195.140🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | robert.ns.cloudflare.com | ||||||
| A | 162.159.44.140Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | robert.ns.cloudflare.com | ||||||
| A | 172.64.35.140🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | robert.ns.cloudflare.com | ||||||
| NS | zita.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3af3🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | zita.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0f3🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | zita.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20f3🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | zita.ns.cloudflare.com | ||||||
| A | 108.162.192.243🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | zita.ns.cloudflare.com | ||||||
| A | 172.64.32.243🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | zita.ns.cloudflare.com | ||||||
| A | 173.245.58.243🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | zita.ns.cloudflare.com | ||||||
| MX | route1.mx.cloudflare.net ⭐ | ||||||
| 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 ⭐ | ||||||
| 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 | ||||||
| MX | route3.mx.cloudflare.net(50) | ||||||
| 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 | ||||||
| TXT | v=spf1 include:_spf.mx.cloudflare.net ~all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.73.98, 172.67.160.233 | ||||||
| IPv6 hints | 2606:4700:3031::6815:4962, 2606:4700:3037::ac43:a0e9 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=61, name=cloudflare-ech.com | ||||||
| SOA | robert.ns.cloudflare.comdns@cloudflare.com serial=2408617786 | ||||||
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=1784931697 | ||||||
Same first word
okcombo.com |
Similar names
combook.ru |
mocbook.com |
bookcom.co.uk |
combook.net |
bookcom.ru |
combook.co.uk |
bookcom.com |
combook.com |
bookcom.net |
mobcook.com |
boomokc.com |
cookmob.com |
combook.de |
bookcom.fr |
kocombo.com |
cmobook.com |
bookcom.jp |
DNS History
22 records (9 active, 13 former)
○NSns75.domaincontrol.com2018-05-14 → 2018-05-14 · 3 obs
● 2018-05-14 08:35:46
○ 2026-03-26 07:07:36
○ 2026-07-24 22:43:58
○ 2026-03-26 07:07:36
○ 2026-07-24 22:43:58
○NSns76.domaincontrol.com2018-05-14 → 2018-05-14 · 3 obs
● 2018-05-14 08:35:46
○ 2026-03-26 07:07:36
○ 2026-07-24 22:43:58
○ 2026-03-26 07:07:36
○ 2026-07-24 22:43:58
●NSrobert.ns.cloudflare.com2026-03-26 → 2026-07-24 · 3 obs
○ 2018-05-14 08:35:46
● 2026-03-26 07:07:36
● 2026-07-24 22:43:58
● 2026-03-26 07:07:36
● 2026-07-24 22:43:58
●NSzita.ns.cloudflare.com2026-03-26 → 2026-07-24 · 3 obs
○ 2018-05-14 08:35:46
● 2026-03-26 07:07:36
● 2026-07-24 22:43:58
● 2026-03-26 07:07:36
● 2026-07-24 22:43:58
●MXroute1.mx.cloudflare.net2026-03-26 → 2026-07-24 · 2 obs
● 2026-03-26 07:07:36
● 2026-07-24 22:43:58
● 2026-07-24 22:43:58
●MXroute2.mx.cloudflare.net2026-03-26 → 2026-07-24 · 2 obs
● 2026-03-26 07:07:36
● 2026-07-24 22:43:58
● 2026-07-24 22:43:58
●MXroute3.mx.cloudflare.net2026-03-26 → 2026-07-24 · 2 obs
● 2026-03-26 07:07:36
● 2026-07-24 22:43:58
● 2026-07-24 22:43:58
●A104.21.73.982026-03-26 → 2026-07-24 · 3 obs
○ 2018-05-14 08:35:46
● 2026-03-26 07:07:36
● 2026-07-24 22:43:58
● 2026-03-26 07:07:36
● 2026-07-24 22:43:58
●A172.67.160.2332026-03-26 → 2026-07-24 · 3 obs
○ 2018-05-14 08:35:46
● 2026-03-26 07:07:36
● 2026-07-24 22:43:58
● 2026-03-26 07:07:36
● 2026-07-24 22:43:58
○A184.168.221.402018-05-14 → 2018-05-14 · 3 obs
● 2018-05-14 08:35:46
○ 2026-03-26 07:07:36
○ 2026-07-24 22:43:58
○ 2026-03-26 07:07:36
○ 2026-07-24 22:43:58
○A184.168.221.422018-05-14 → 2018-05-14 · 3 obs
● 2018-05-14 08:35:46
○ 2026-03-26 07:07:36
○ 2026-07-24 22:43:58
○ 2026-03-26 07:07:36
○ 2026-07-24 22:43:58
○A184.168.221.562018-05-14 → 2018-05-14 · 3 obs
● 2018-05-14 08:35:46
○ 2026-03-26 07:07:36
○ 2026-07-24 22:43:58
○ 2026-03-26 07:07:36
○ 2026-07-24 22:43:58
○A184.168.221.582018-05-14 → 2018-05-14 · 3 obs
● 2018-05-14 08:35:46
○ 2026-03-26 07:07:36
○ 2026-07-24 22:43:58
○ 2026-03-26 07:07:36
○ 2026-07-24 22:43:58
○A184.168.221.622018-05-14 → 2018-05-14 · 3 obs
● 2018-05-14 08:35:46
○ 2026-03-26 07:07:36
○ 2026-07-24 22:43:58
○ 2026-03-26 07:07:36
○ 2026-07-24 22:43:58
○A2606:4700:3030::ac43:a0e92026-03-26 → 2026-05-13 · 5 obs
○ 2018-05-14 08:35:46
● 2026-03-26 07:07:36
● 2026-05-13 08:35:52
○ 2026-07-21 21:29:36
○ 2026-07-24 22:43:58
● 2026-03-26 07:07:36
● 2026-05-13 08:35:52
○ 2026-07-21 21:29:36
○ 2026-07-24 22:43:58
●A2606:4700:3031::6815:49622026-07-21 → 2026-07-24 · 3 obs
○ 2026-05-13 08:35:52
● 2026-07-21 21:29:36
● 2026-07-24 22:43:58
● 2026-07-21 21:29:36
● 2026-07-24 22:43:58
○A2606:4700:3036::6815:49622026-03-26 → 2026-05-13 · 5 obs
○ 2018-05-14 08:35:46
● 2026-03-26 07:07:36
● 2026-05-13 08:35:52
○ 2026-07-21 21:29:36
○ 2026-07-24 22:43:58
● 2026-03-26 07:07:36
● 2026-05-13 08:35:52
○ 2026-07-21 21:29:36
○ 2026-07-24 22:43:58
●A2606:4700:3037::ac43:a0e92026-07-21 → 2026-07-24 · 3 obs
○ 2026-05-13 08:35:52
● 2026-07-21 21:29:36
● 2026-07-24 22:43:58
● 2026-07-21 21:29:36
● 2026-07-24 22:43:58
○A50.63.202.332018-05-14 → 2018-05-14 · 3 obs
● 2018-05-14 08:35:46
○ 2026-03-26 07:07:36
○ 2026-07-24 22:43:58
○ 2026-03-26 07:07:36
○ 2026-07-24 22:43:58
○A50.63.202.412018-05-14 → 2018-05-14 · 3 obs
● 2018-05-14 08:35:46
○ 2026-03-26 07:07:36
○ 2026-07-24 22:43:58
○ 2026-03-26 07:07:36
○ 2026-07-24 22:43:58
○A50.63.202.452018-05-14 → 2018-05-14 · 3 obs
● 2018-05-14 08:35:46
○ 2026-03-26 07:07:36
○ 2026-07-24 22:43:58
○ 2026-03-26 07:07:36
○ 2026-07-24 22:43:58
○A50.63.202.582018-05-14 → 2018-05-14 · 3 obs
● 2018-05-14 08:35:46
○ 2026-03-26 07:07:36
○ 2026-07-24 22:43:58
○ 2026-03-26 07:07:36
○ 2026-07-24 22:43:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| okcombo.com | zita.ns.cloudflare.com, robert.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.192.243
NS records: zita.ns.cloudflare.com, robert.ns.cloudflare.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 337ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.160.233, 104.21.73.98 |
| AAAA | 2 | 2606:4700:3037::ac43:a0e9, 2606:4700:3031::6815:4962 |
| NS | 2 | robert.ns.cloudflare.com, zita.ns.cloudflare.com |
| MX | 3 | route1.mx.cloudflare.net (pri: 25), route2.mx.cloudflare.net (pri: 25)... |
| TXT | 1 | v=spf1 include:_spf.mx.cloudflare.net ~a |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | robert.ns.cloudflare.com dns.cloudflare. |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (zita.ns.cloudflare.com, zita.ns.cloudflare.com, zita.ns.cloudflare.com...)
Analysis
IP Addresses
okcombo.com has four IP addresses: 104.21.73.98, 172.67.160.233, 2606:4700:3031::6815:4962 and 2606:4700:3037::ac43:a0e9.
hamid-ali-partisans.blogfa.com, bisaran.blogfa.com, 4enghelab.blogfa.com plus two other host names have IP numbers in common with okcombo.com.
Name Servers
Two name servers handle the delegation for okcombo.com: robert.ns.cloudflare.com and zita.ns.cloudflare.com.
The name server configuration of okcombo.com is shared with other domains, for instance 7yx.de, eishort.com, 7sys.de and two others.
okcombo.com has at least partial name server overlap with other domains, such as asikbet.org, szyaokunxiaofang.com, pl-lfd.com and two others.
It is common to see these name servers used together with name servers etta.ns.cloudflare.com and chloe.ns.cloudflare.com.
Hosts with 6 IP addresses each:
robert.ns.cloudflare.com resolves to 108.162.195.140, 162.159.44.140 and 172.64.35.140 among others, with 3 other IP addresses in total.
zita.ns.cloudflare.com resolves to 108.162.192.243, 172.64.32.243 and 173.245.58.243 among others, with 3 other IP addresses in total.
Mail Servers
okcombo.com has three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.
At least some of the mail servers used by okcombo.com are shared with other domains: virtualtechdicas.com.br, coranwoodmass.com, c4n.cc and two others among them.
Hosts with 6 IP addresses each:
route1.mx.cloudflare.net resolves to 162.159.205.11, 162.159.205.12 and 162.159.205.13 among others, with 3 other IP addresses in total.
route2.mx.cloudflare.net resolves to 162.159.205.17, 162.159.205.18 and 162.159.205.19 among others, with 3 other IP addresses in total.
route3.mx.cloudflare.net resolves to 162.159.205.23, 162.159.205.24 and 162.159.205.25 among others, with 3 other IP addresses in total.