theoremdata.com - robtex.com
theoremdata.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 104.156.237.5🇺🇸 AS-VULTR104.156.236.0/23 Vultr Assigned Prefix | ||||||
| PTR | 104.156.237.5.vultrusercontent.com | ||||||
| NS | ns1.vultr.com ⭐ | ||||||
| A | 2001:19f0:ccc::1🇺🇸 AS-VULTR2001:19f0:ccc::/48 DNS1 | ||||||
| A | 2001:19f0:ccd::1🇺🇸 AS-VULTR2001:19f0:ccd::/48 Vultr Assigned Prefix | ||||||
| PTR | ns1.vultr.com | ||||||
| A | 173.199.96.96🇺🇸 AS-VULTR173.199.96.0/24 Vultr Assigned Prefix | ||||||
| PTR | ns1.vultrusercontent.com | ||||||
| NS | ns2.vultr.com | ||||||
| A | 2001:19f0:ccc::2🇺🇸 AS-VULTR2001:19f0:ccc::/48 DNS1 | ||||||
| A | 2001:19f0:ccd::2🇺🇸 AS-VULTR2001:19f0:ccd::/48 Vultr Assigned Prefix | ||||||
| PTR | ns2.vultr.com | ||||||
| A | 173.199.96.97🇺🇸 AS-VULTR173.199.96.0/24 Vultr Assigned Prefix | ||||||
| PTR | ns2.vultrusercontent.com | ||||||
| MX | mail.22x2.net ⭐ | ||||||
| A | 104.156.245.123🇺🇸 AS-VULTR104.156.240.0/21 Vultr Assigned Prefix | ||||||
| PTR | mail01.22x2.net | ||||||
| TXT | v=spf1 include:outbound.mailhop.org a:mailers.theoremdata.com -all | ||||||
| SOA | ns1.vultr.comdnsadm@twice22.tech serial=0 | ||||||
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=1788544403 | ||||||
Same first word
theoremdata.com |
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DNS History
4 records (4 active, 0 former)
●A104.156.237.52026-09-01 → 2026-09-04 · 2 obs
● 2026-09-04 18:02:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | b.gtld-servers.net, g.gtld-servers.net, a.gtld-servers.net, e.gtld-servers.net... | - |
| theoremdata.com | ns1.vultr.com, ns2.vultr.com | 4 records |
✅ Authoritative Response
Server:173.199.96.96
NS records: ns1.vultr.com, ns2.vultr.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for theoremdata.com (unsigned zone)
⏱️ Timing
Total: 460ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 104.156.237.5 |
| NS | 2 | ns1.vultr.com, ns2.vultr.com |
| MX | 1 | mail.22x2.net (pri: 10) |
| TXT | 1 | v=spf1 include:outbound.mailhop.org a:ma |
| SOA | 1 | ns1.vultr.com dnsadm.twice22.tech |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.vultr.com, ns1.vultr.com, ns2.vultr.com...)
Analysis
IP Addresses
theoremdata.com directs to one IP number, which is 104.156.237.5.
Among the host names that share IP numbers with theoremdata.com are firecrackers-gc.com, 22x2.net, a-and-m.net and two others.
Name Servers
theoremdata.com is delegated to two name servers: ns1.vultr.com and ns2.vultr.com.
theoremdata.com has the same name server delegation as a number of other domains, such as qltees.com, leash.io, tagy.cl and two more.
The name servers of theoremdata.com overlap at least partially with those of other domains — among them joetaylorjr.net, passionportland.com, keithsgaragedoorservice.com and two more.
The name servers ns1.wpdns.host, ns2.wpdns.host and ns3.wpdns.host are commonly seen alongside these name servers.
Both ns1.vultr.com and ns2.vultr.com point to three IP numbers: ns1.vultr.com points to 173.199.96.96, 2001:19f0:ccc::1 and 2001:19f0:ccd::1, while ns2.vultr.com points to 173.199.96.97, 2001:19f0:ccc::2 and 2001:19f0:ccd::2.
Mail Servers
theoremdata.com routes its mail through a single mail server, mail.22x2.net.
The MX records for theoremdata.com match those of other domains — including sgbase.org and firecrackers-gc.com.
mail.22x2.net resolves to a single IP number: 104.156.245.123.