certsoft.org - robtex.com
certsoft.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::ac43:c8f9🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3034::6815:5cf3🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.92.243Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.200.249🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | brenda.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3a4d🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | brenda.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c04d🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | brenda.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:204d🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | brenda.ns.cloudflare.com | ||||||
| A | 108.162.192.77🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | brenda.ns.cloudflare.com | ||||||
| A | 172.64.32.77🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | brenda.ns.cloudflare.com | ||||||
| A | 173.245.58.77🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | brenda.ns.cloudflare.com | ||||||
| NS | david.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3b98🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | david.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c198🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | david.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2198🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | david.ns.cloudflare.com | ||||||
| A | 108.162.193.152🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | david.ns.cloudflare.com | ||||||
| A | 172.64.33.152🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | david.ns.cloudflare.com | ||||||
| A | 173.245.59.152🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | david.ns.cloudflare.com | ||||||
| TXT | v=spf1 ip4:64.91.228.225 +a +mx ~all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.92.243, 172.67.200.249 | ||||||
| IPv6 | 2606:4700:3031::ac43:c8f9, 2606:4700:3034::6815:5cf3 | ||||||
| SOA | brenda.ns.cloudflare.comdns@cloudflare.com serial=2397579662 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1771291736 | ||||||
Previously MX for
certsoft.org |
Same first word
Similar names
DNS History
14 records (6 active, 8 former)
●NSbrenda.ns.cloudflare.com2026-03-10 → 2026-03-10 · 3 obs
● 2026-03-10 00:34:08
● 2026-03-10 04:15:58
●NSdavid.ns.cloudflare.com2026-03-10 → 2026-03-10 · 3 obs
● 2026-03-10 00:34:08
● 2026-03-10 04:15:58
○NSns1.uglyduckmarketing.com2015-08-06 → 2018-10-21 · 4 obs
● 2018-10-21 09:08:58
○ 2026-03-10 00:34:08
○ 2026-03-10 04:15:58
○NSns2.uglyduckmarketing.com2015-08-06 → 2018-10-21 · 4 obs
● 2018-10-21 09:08:58
○ 2026-03-10 00:34:08
○ 2026-03-10 04:15:58
○MXcertsoft.org2015-08-06 → 2018-10-21 · 4 obs
● 2018-10-21 09:08:58
○ 2026-03-10 00:34:08
○ 2026-03-10 04:15:58
●A104.21.92.2432026-03-10 → 2026-03-10 · 3 obs
● 2026-03-10 00:34:08
● 2026-03-10 04:15:58
●A172.67.200.2492026-03-10 → 2026-03-10 · 3 obs
● 2026-03-10 00:34:08
● 2026-03-10 04:15:58
○A188.114.96.02026-03-10 → 2026-03-10 · 2 obs
○ 2026-03-10 04:15:58
○A188.114.97.02026-03-10 → 2026-03-10 · 2 obs
○ 2026-03-10 04:15:58
●A2606:4700:3031::ac43:c8f92026-03-10 → 2026-03-10 · 3 obs
● 2026-03-10 00:34:08
● 2026-03-10 04:15:58
●A2606:4700:3034::6815:5cf32026-03-10 → 2026-03-10 · 3 obs
● 2026-03-10 00:34:08
● 2026-03-10 04:15:58
○A2a06:98c1:3120::2026-03-10 → 2026-03-10 · 2 obs
○ 2026-03-10 04:15:58
○A2a06:98c1:3121::2026-03-10 → 2026-03-10 · 2 obs
○ 2026-03-10 04:15:58
○A64.91.235.2452015-08-06 → 2018-10-21 · 4 obs
● 2018-10-21 09:08:58
○ 2026-03-10 00:34:08
○ 2026-03-10 04:15:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| certsoft.org | david.ns.cloudflare.com, brenda.ns.cloudflare.com | - |
✅ Authoritative Response
Server: 173.245.58.77
NS records: david.ns.cloudflare.com, brenda.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for certsoft.org (unsigned zone)
⏱️ Timing
Total: 436ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.200.249, 104.21.92.243 |
| AAAA | 2 | 2606:4700:3034::6815:5cf3, 2606:4700:3031::ac43:c8f9 |
| NS | 2 | brenda.ns.cloudflare.com, david.ns.cloudflare.com |
| TXT | 1 | v=spf1 ip4:64.91.228.225 +a +mx ~all |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | brenda.ns.cloudflare.com dns.cloudflare. |
Analysis
IP Addresses
certsoft.org resolves to four IPs: 2606:4700:3031::ac43:c8f9, 2606:4700:3034::6815:5cf3, 104.21.92.243 and 172.67.200.249.
Other host names, for instance controlprojectmex.4latam.com, a17-250-248-101.www.creativekitchensllc.com, 10for10.uk, sohodiner.com and xuchangheng.com share IP numbers with certsoft.org.
Name Servers
certsoft.org has two name servers: brenda.ns.cloudflare.com and david.ns.cloudflare.com.
certsoft.org shares the same name server setup as other domains, for example mtb-news.de, uglyduckmarketing.com, 15057722.com, miinex.com and cityshell.com.tw.
certsoft.org shares some name servers with other domains, for example rabotniki-nchtz-otzyvy.ru, hcmintranet.com, erectusx.us, hms.co.il and perfume.net.
These name servers are commonly used with hans.ns.cloudflare.com, joyce.ns.cloudflare.com, ines.ns.cloudflare.com, keira.ns.cloudflare.com and darl.ns.cloudflare.com.
Host names with six IP numbers: brenda.ns.cloudflare.com points to: 2606:4700:50::adf5:3a4d, 2803:f800:50::6ca2:c04d, 2a06:98c1:50::ac40:204d, 108.162.192.77, 172.64.32.77 and 173.245.58.77; david.ns.cloudflare.com points to: 2606:4700:58::adf5:3b98, 2803:f800:50::6ca2:c198, 2a06:98c1:50::ac40:2198, 108.162.193.152, 172.64.33.152 and 173.245.59.152.