opencontext.org - dns.ninja
opencontext.org
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ | ||||||
| NS | a2.org.afilias-nst.info | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1782940902 | ||||||
rank #50355 in the tld
WOT: SAFE (62/100)
Previously MX for
opencontext.org |
Same first word
Similar names
DNS History
13 records (7 active, 6 former)
●NSns-cloud-b1.googledomains.com2015-11-15 → 2026-07-01 · 3 obs
● 2015-11-15 11:15:48
● 2026-07-01 21:39:42
●NSns-cloud-b2.googledomains.com2015-11-15 → 2026-07-01 · 3 obs
● 2015-11-15 11:15:48
● 2026-07-01 21:39:42
●NSns-cloud-b3.googledomains.com2015-11-15 → 2026-07-01 · 3 obs
● 2015-11-15 11:15:48
● 2026-07-01 21:39:42
●NSns-cloud-b4.googledomains.com2015-11-15 → 2026-07-01 · 3 obs
● 2015-11-15 11:15:48
● 2026-07-01 21:39:42
○NSns1.rimuhosting.com2015-05-31 → 2015-05-31 · 4 obs
● 2015-05-31 16:35:04
○ 2015-11-15 11:15:48
○ 2026-07-01 21:39:42
○NSns2.rimuhosting.com2015-05-31 → 2015-05-31 · 4 obs
● 2015-05-31 16:35:04
○ 2015-11-15 11:15:48
○ 2026-07-01 21:39:42
●MXalt1.aspmx.l.google.com2026-05-03 → 2026-07-01 · 3 obs
● 2026-05-03 00:46:46
● 2026-07-01 21:39:42
●MXaspmx.l.google.com2026-05-03 → 2026-07-01 · 3 obs
● 2026-05-03 00:46:46
● 2026-07-01 21:39:42
○MXmxa.mailgun.org2015-11-15 → 2018-08-13 · 5 obs
● 2015-11-15 11:15:48
● 2018-08-13 12:36:46
○ 2026-05-03 00:46:46
○ 2026-07-01 21:39:42
○MXmxb.mailgun.org2015-11-15 → 2018-08-13 · 5 obs
● 2015-11-15 11:15:48
● 2018-08-13 12:36:46
○ 2026-05-03 00:46:46
○ 2026-07-01 21:39:42
○MXopencontext.org2015-05-31 → 2015-05-31 · 4 obs
● 2015-05-31 16:35:04
○ 2015-11-15 11:15:48
○ 2026-07-01 21:39:42
●A146.148.79.1382015-11-15 → 2026-07-01 · 3 obs
● 2015-11-15 11:15:48
● 2026-07-01 21:39:42
○A74.50.51.1302015-05-31 → 2015-05-31 · 4 obs
● 2015-05-31 16:35:04
○ 2015-11-15 11:15:48
○ 2026-07-01 21:39:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b2.org.afilias-nst.org, a0.org.afilias-nst.info, d0.org.afilias-nst.org, a2.org.afilias-nst.info... | - |
| opencontext.org | ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com, ns-cloud-b4.googledomains.com | - |
✅ Authoritative Response
Server:216.239.34.107
NS records: ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com, ns-cloud-b4.googledomains.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for opencontext.org (unsigned zone)
⏱️ Timing
Total: 782ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 146.148.79.138 |
| NS | 4 | ns-cloud-b4.googledomains.com, ns-cloud-b1.googledomains.com... |
| MX | 2 | aspmx.l.google.com (pri: 1), alt1.aspmx.l.google.com (pri: 5) |
| TXT | 2 | v=spf1 include:_spf.google.com ~all, google-site-verification=V6hX6IsBz-pt440 |
| SOA | 1 | ns-cloud-b1.googledomains.com dns-admin. |
Analysis
IP Addresses
opencontext.org has exactly one IP address — 146.148.79.138.
Among the host names that share IP numbers with opencontext.org is 138.79.148.146.bc.googleusercontent.com, as one example.
Name Servers
Four name servers handle the delegation for opencontext.org: ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com and ns-cloud-b4.googledomains.com.
There is at least partial name server overlap between opencontext.org and other domains — aisoos.com, suonidautore.com, huehug.com and two more among them.
All four hostnames — ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com and ns-cloud-b4.googledomains.com — resolve to two IP numbers apiece: ns-cloud-b1.googledomains.com to 216.239.32.107 and 2001:4860:4802:32::6b; ns-cloud-b2.googledomains.com to 216.239.34.107 and 2001:4860:4802:34::6b; ns-cloud-b3.googledomains.com to 216.239.36.107 and 2001:4860:4802:36::6b; ns-cloud-b4.googledomains.com to 216.239.38.107 and 2001:4860:4802:38::6b.
Mail Servers
opencontext.org uses two mail servers, aspmx.l.google.com and alt1.aspmx.l.google.com.
The mail server setup of opencontext.org matches that of other domains such as nupalremedies.com, ns1.wallface-shop.com, propola.eu and two others.
At least some of the mail servers used by opencontext.org are shared with other domains: ns500768.ns500759.ns500759.ns500758.ns500698.ns500758.ns500698.ns500698.ns500698.ns500735.ns500576.ns500686.ns500576.trackreceptor.com, ns500765.ns500699.ns500699.ns500699.ns500699.ns500734.ns500699.ns500734.ns500699.ns500693.ns500693.ns500683.ns500588.dtrkdll.com, ns500698.ns500759.ns500758.ns500736.ns500698.ns500736.ns500698.ns500576.ns500576.ns500708.ns500576.ns500698.ns500708.ns500619.ns500652.trackreceptor.com and two others among them.
These mail servers are often deployed together with alt2.aspmx.l.google.com, alt3.aspmx.l.google.com, alt4.aspmx.l.google.com and 4 other mail servers.
aspmx.l.google.com resolves to 64.233.180.26 and 2607:f8b0:4004:c09::1b. Likewise, alt1.aspmx.l.google.com resolves to 108.177.123.27 and 2800:3f0:4003:c0f::1a — two IP addresses apiece.