certainsign.com - robtex.com
certainsign.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 154.206.138.40🇭🇰 OWGELS-AS-AP | ||||||
| NS | a.share-dns.com ⭐ | ||||||
| A | 172.64.53.25🇺🇸 Cloudflare | ||||||
| PTR | ip-172-64-53-25.defastlink.net | ||||||
| NS | b.share-dns.net | ||||||
| A | 172.64.52.239🇺🇸 Cloudflare | ||||||
| PTR | ip-172-64-52-239.defastlink.net | ||||||
| SOA | a.share-dns.commaster@share-dns.com serial=1715606992 | ||||||
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=1771291435 | ||||||
Same first word
certainsign.com |
Similar names
DNS History
12 records (3 active, 9 former)
●NSa.share-dns.com2026-02-24 → 2026-02-24 · 2 obs
● 2026-02-24 00:51:44
●NSb.share-dns.net2026-02-24 → 2026-02-24 · 2 obs
● 2026-02-24 00:51:44
○NSdns.site5.com2017-08-31 → 2017-08-31 · 3 obs
● 2017-08-31 18:27:34
○ 2026-02-24 00:51:44
○NSdns2.site5.com2017-08-31 → 2017-08-31 · 3 obs
● 2017-08-31 18:27:34
○ 2026-02-24 00:51:44
○NSns53.domaincontrol.com2016-12-20 → 2016-12-20 · 3 obs
○ 2017-08-31 18:27:34
○ 2026-02-24 00:51:44
○NSns54.domaincontrol.com2016-12-20 → 2016-12-20 · 3 obs
○ 2017-08-31 18:27:34
○ 2026-02-24 00:51:44
○MXcertainsign.com2017-08-31 → 2017-08-31 · 3 obs
● 2017-08-31 18:27:34
○ 2026-02-24 00:51:44
○MXmailstore1.secureserver.net2016-12-20 → 2016-12-20 · 3 obs
○ 2017-08-31 18:27:34
○ 2026-02-24 00:51:44
○MXsmtp.secureserver.net2016-12-20 → 2016-12-20 · 3 obs
○ 2017-08-31 18:27:34
○ 2026-02-24 00:51:44
○A129.121.5.2122017-08-31 → 2017-08-31 · 3 obs
● 2017-08-31 18:27:34
○ 2026-02-24 00:51:44
●A154.206.138.402026-02-24 → 2026-02-24 · 2 obs
● 2026-02-24 00:51:44
○A184.168.221.532016-12-20 → 2016-12-20 · 3 obs
○ 2017-08-31 18:27:34
○ 2026-02-24 00:51:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| certainsign.com | a.share-dns.com, b.share-dns.net | - |
✅ Authoritative Response
Server: 172.64.52.239
NS records: a.share-dns.com, b.share-dns.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for certainsign.com (unsigned zone)
⏱️ Timing
Total: 119ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 154.206.138.40 |
| NS | 2 | a.share-dns.com, b.share-dns.net |
| SOA | 1 | a.share-dns.com master.share-dns.com |
AI analysis
certainsign.com points to a single IP number: 154.206.138.40.
Other host names, for instance sdyx-tech.com, share IP numbers with certainsign.com.
certainsign.com is delegated to two name servers: a.share-dns.com and b.share-dns.net.
certainsign.com shares the same name server setup as other domains, for example taian128.com, xmtcyp.com, sinolionclub.com, 561682.com and labpinglei.com.
certainsign.com at least partially shares name servers with other domains, for instance gqhly.com, aa6443b49058fc9e.com, qhgxtxh.com, viaducdeculan.com and bjfuying.com.
These name servers are often used together with the name servers a3.share-dns.com, b3.share-dns.net, a7.share-dns.com, b7.share-dns.net, ns1.gname-dns.com, ns2.gname-dns.com, a10.share-dns.com, b10.share-dns.net, a9.share-dns.com and b9.share-dns.net.
Host names with one IP number:
The host a.share-dns.com points to 172.64.53.25 and the host b.share-dns.net points to 172.64.52.239.