orgcalendar.com - robtex.com
orgcalendar.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 170.249.200.230🇺🇸 PRIVATESYSTEMS170.249.192.0/20 PrivateSystems Networks GA | ||||||
| PTR | yooker.com | ||||||
| NS | ns1.server.zeerk.com ⭐ ⚠️ Not in parent delegation | ||||||
| NS | ns1.orgbusiness.com ⚠️ Not in zone NS records | ||||||
| A | 2606:4700:3032::ac43:9df6🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 2606:4700:3035::6815:390e🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 104.21.57.14Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 172.67.157.246🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.orgbusiness.com ⚠️ Not in zone NS records | ||||||
| A | 2606:4700:3032::ac43:9df6🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 2606:4700:3035::6815:390e🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 104.21.57.14Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 172.67.157.246🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.server.zeerk.com ⚠️ Not in parent delegation | ||||||
| MX | orgcalendar.com ⭐ | ||||||
| A | 170.249.200.230🇺🇸 PRIVATESYSTEMS170.249.192.0/20 PrivateSystems Networks GA | ||||||
| PTR | yooker.com | ||||||
| TXT | v=spf1 a mx ip4:170.249.200.230 ~all | ||||||
| SOA | ns1.server.zeerk.comadmin@zeerk.com 2025-11-29 #3 | ||||||
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=1774801612 | ||||||
MX for
orgcalendar.com |
Subdomains
Same first word
orgcalendar.com |
Similar names
DNS History
17 records (6 active, 11 former)
●NSns1.orgbusiness.com2026-03-29 → 2026-03-29 · 2 obs
● 2026-03-29 16:42:30
●NSns1.server.zeerk.com2026-03-29 → 2026-03-29 · 2 obs
● 2026-03-29 16:42:30
○NSns1.yew.arvixe.com2015-06-22 → 2015-10-29 · 4 obs
● 2015-10-29 22:13:14
○ 2016-01-23 15:54:06
○ 2026-03-29 16:42:30
○NSns1.zeerk.com2016-01-23 → 2018-10-02 · 4 obs
● 2016-01-23 15:54:06
● 2018-10-02 10:52:44
○ 2026-03-29 16:42:30
●NSns2.orgbusiness.com2026-03-29 → 2026-03-29 · 2 obs
● 2026-03-29 16:42:30
●NSns2.server.zeerk.com2026-03-29 → 2026-03-29 · 2 obs
● 2026-03-29 16:42:30
○NSns2.yew.arvixe.com2015-06-22 → 2015-10-29 · 4 obs
● 2015-10-29 22:13:14
○ 2016-01-23 15:54:06
○ 2026-03-29 16:42:30
○NSns2.zeerk.com2016-01-23 → 2018-10-02 · 4 obs
● 2016-01-23 15:54:06
● 2018-10-02 10:52:44
○ 2026-03-29 16:42:30
○MXmail.orgcalendar.com2015-06-22 → 2015-10-29 · 4 obs
● 2015-10-29 22:13:14
○ 2016-01-23 15:54:06
○ 2026-03-29 16:42:30
○MXmail2.orgcalendar.com2015-06-22 → 2015-10-29 · 4 obs
● 2015-10-29 22:13:14
○ 2016-01-23 15:54:06
○ 2026-03-29 16:42:30
●MXorgcalendar.com2016-01-23 → 2026-03-29 · 3 obs
● 2016-01-23 15:54:06
● 2026-03-29 16:42:30
○A104.193.108.52016-01-23 → 2016-05-03 · 5 obs
● 2016-01-23 15:54:06
● 2016-05-03 05:46:30
○ 2017-02-02 16:35:56
○ 2026-03-29 16:42:30
○A104.193.109.52017-02-02 → 2017-02-02 · 4 obs
● 2017-02-02 16:35:56
○ 2018-10-02 10:52:44
○ 2026-03-29 16:42:30
○A143.95.252.342015-10-29 → 2015-10-29 · 4 obs
● 2015-10-29 22:13:14
○ 2016-01-23 15:54:06
○ 2026-03-29 16:42:30
○A158.106.186.1732018-10-02 → 2018-10-02 · 3 obs
● 2018-10-02 10:52:44
○ 2026-03-29 16:42:30
●A170.249.200.2302026-03-29 → 2026-03-29 · 2 obs
● 2026-03-29 16:42:30
○A23.91.123.162015-06-22 → 2015-06-22 · 3 obs
○ 2015-10-29 22:13:14
○ 2026-03-29 16:42:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | g.gtld-servers.net, a.gtld-servers.net, e.gtld-servers.net, k.gtld-servers.net... | - |
| orgcalendar.com | ns2.orgbusiness.com, ns1.orgbusiness.com | 2 records |
✅ Authoritative Response
Server:170.249.200.229
NS records: ns2.orgbusiness.com, ns1.orgbusiness.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for orgcalendar.com (unsigned zone)
⏱️ Timing
Total: 161ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 170.249.200.230 |
| NS | 2 | ns1.server.zeerk.com, ns2.server.zeerk.com |
| MX | 1 | orgcalendar.com (pri: 0) |
| TXT | 1 | v=spf1 a mx ip4:170.249.200.230 ~all |
| SOA | 1 | ns1.server.zeerk.com admin.zeerk.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns2.orgbusiness.com, ns1.orgbusiness.com)
Analysis
Hierarchy
orgcalendar.com is a parent of mail.orgcalendar.com and www.orgcalendar.com.
Mail Server Role
orgcalendar.com serves as the mail server for orgcalendar.com.
IP Addresses
orgcalendar.com points to a single IP number: 170.249.200.230.
Other host names, for instance _dc-mx.68fa7af4ae43.edataset.com, mail.2bison.com, _dc-mx.d332d61a7449.zebra-media.com, _dc-mx.9f7174b1e271.binaryhouse.com and _dc-mx.29e6533d3ed9.orgbusiness.com share IP numbers with orgcalendar.com.
Name Servers
orgcalendar.com is delegated to four name servers: ns1.orgbusiness.com, ns2.orgbusiness.com, ns1.server.zeerk.com and ns2.server.zeerk.com.
Host names with four IP numbers:
ns1.orgbusiness.com points to: 2606:4700:3032::ac43:9df6, 2606:4700:3035::6815:390e, 104.21.57.14 and 172.67.157.246.
ns2.orgbusiness.com points to: 2606:4700:3032::ac43:9df6, 2606:4700:3035::6815:390e, 104.21.57.14 and 172.67.157.246.
Host names that point to 2606:4700:3032::ac43:9df6: ns1.orgbusiness.com and ns2.orgbusiness.com.
Host names that point to 2606:4700:3035::6815:390e: ns1.orgbusiness.com and ns2.orgbusiness.com.
Host names that point to 104.21.57.14: ns1.orgbusiness.com and ns2.orgbusiness.com.
Host names that point to 172.67.157.246: ns1.orgbusiness.com and ns2.orgbusiness.com.
Mail Servers
A single mail server handles orgcalendar.com and orgcalendar.com.
Host name orgcalendar.com resolves to IP 170.249.200.230.