certlab.org - dns.ninja
certlab.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 43.248.173.73🇸🇬 BGPNETPTELTD-AS-AP43.248.173.0/24 BGPNET PTE. LTD. 2 VENTURE DRIVE, 11-31, VISION EXCHANGE, SINGAPORE | ||||||
| NS | a10.share-dns.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | a.share-dns.com ⚠️ Not in zone NS records | ||||||
| A | 172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | b.share-dns.net ⚠️ Not in zone NS records | ||||||
| A | 172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | b10.share-dns.net ⚠️ Not in parent delegation | ||||||
| A | 172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| SOA | a.share-dns.commaster@share-dns.com serial=1781563416 | ||||||
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=1782869922 | ||||||
Same first word
Similar names
DNS History
9 records (5 active, 4 former)
●NSa.share-dns.com2026-07-01 → 2026-07-01 · 2 obs
● 2026-07-01 02:03:34
●NSa10.share-dns.com2026-07-01 → 2026-07-01 · 2 obs
● 2026-07-01 02:03:34
●NSb.share-dns.net2026-07-01 → 2026-07-01 · 2 obs
● 2026-07-01 02:03:34
●NSb10.share-dns.net2026-07-01 → 2026-07-01 · 2 obs
● 2026-07-01 02:03:34
○NSns.ourhost.com.cn2015-06-22 → 2017-02-08 · 3 obs
● 2017-02-08 09:23:58
○ 2026-07-01 02:03:34
○NSns1.ourhost.com.cn2015-06-22 → 2017-02-08 · 3 obs
● 2017-02-08 09:23:58
○ 2026-07-01 02:03:34
○NSns7.alidns.com2026-07-01 → 2026-07-01 · 1 obs
○NSns8.alidns.com2026-07-01 → 2026-07-01 · 1 obs
●A43.248.173.732026-07-01 → 2026-07-01 · 1 obs
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| certlab.org | a10.share-dns.com, b10.share-dns.net | - |
✅ Authoritative Response
Server:172.64.53.25
NS records: a10.share-dns.com, b10.share-dns.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for certlab.org (unsigned zone)
⏱️ Timing
Total: 501ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 43.248.173.73 |
| NS | 2 | a.share-dns.com, b.share-dns.net |
| SOA | 1 | a.share-dns.com master.share-dns.com |
Analysis
IP Addresses
certlab.org resolves to just one IP address, 43.248.173.73.
Two other host names, along with www.mxstcy.com, xmlanjixing.com and www.gztongxing.com, also share IP numbers with certlab.org.
Name Servers
The NS records for certlab.org point to four name servers: a10.share-dns.com, a.share-dns.com, b10.share-dns.net and b.share-dns.net.
At least some of certlab.org's name servers are shared with other domains, for example wxhdqd.com, yj0839.com, dp3dartist.com and two more.
These name servers tend to co-occur with a9.share-dns.com, b9.share-dns.net, a8.share-dns.com and 7 other name servers in the same DNS delegations.
a10.share-dns.com resolves to 172.64.53.25, as does a.share-dns.com. b10.share-dns.net resolves to 172.64.52.239, as does b.share-dns.net.
Both a10.share-dns.com and a.share-dns.com resolve to 172.64.53.25 IP addresses each.
Both b10.share-dns.net and b.share-dns.net resolve to 172.64.52.239 IP addresses each.