optimalconstant.com - robtex.com
optimalconstant.com
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
optimalconstant.com |
DNS History
9 records (9 active, 0 former)
●NSpdns73.ultradns.biz2026-02-28 → 2026-03-23 · 2 obs
● 2026-03-23 20:52:58
●NSpdns73.ultradns.co.uk2026-02-28 → 2026-03-23 · 2 obs
● 2026-03-23 20:52:58
●NSpdns73.ultradns.com2026-02-28 → 2026-03-23 · 2 obs
● 2026-03-23 20:52:58
●NSpdns73.ultradns.info2026-02-28 → 2026-03-23 · 2 obs
● 2026-03-23 20:52:58
●NSpdns73.ultradns.net2026-02-28 → 2026-03-23 · 2 obs
● 2026-03-23 20:52:58
●NSpdns73.ultradns.org2026-02-28 → 2026-03-23 · 2 obs
● 2026-03-23 20:52:58
●MXmail2026-02-28 → 2026-03-23 · 2 obs
● 2026-03-23 20:52:58
●A199.80.54.952026-02-28 → 2026-03-23 · 2 obs
● 2026-03-23 20:52:58
●A2607:fbe0:1:42::132026-02-28 → 2026-03-23 · 2 obs
● 2026-03-23 20:52:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| optimalconstant.com | pdns73.ultradns.net, pdns73.ultradns.com, pdns73.ultradns.org, pdns73.ultradns.biz... | 2 records |
✅ Authoritative Response
Server:156.154.66.73
NS records: pdns73.ultradns.net, pdns73.ultradns.com, pdns73.ultradns.org, pdns73.ultradns.biz, pdns73.ultradns.info, pdns73.ultradns.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for optimalconstant.com (unsigned zone)
⏱️ Timing
Total: 826ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 199.80.54.95 |
| AAAA | 1 | 2607:fbe0:1:42::13 |
| NS | 6 | pdns73.ultradns.co.uk, pdns73.ultradns.biz... |
| MX | 1 | mail (pri: 10) |
| SOA | 1 | pdns73.ultradns.com pdns73.ultradns.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (pdns73.ultradns.com, pdns73.ultradns.com)
Analysis
IP Addresses
optimalconstant.com resolves to two IP numbers: 2607:fbe0:1:42::13 and 199.80.54.95.
Other host names, for instance impureleg.com, reflectingproject.com, bighearted-ring.com, scornfulleg.com and specific-many.com share IP numbers with optimalconstant.com.
Name Servers
optimalconstant.com is delegated to six name servers: pdns73.ultradns.biz, pdns73.ultradns.com, pdns73.ultradns.info, pdns73.ultradns.net, pdns73.ultradns.org and pdns73.ultradns.co.uk.
optimalconstant.com shares some name servers with other domains, for example plaintive-point.pro, hateful-pride.pro, untrueaddition.pro, croppf.com and wbalradio.org.
Host names with two IP numbers:
pdns73.ultradns.biz ->2610:a1:1015::6d and 156.154.66.73
pdns73.ultradns.com ->2001:502:f3ff::6d and 156.154.64.73
pdns73.ultradns.info ->2610:a1:1016::6d and 156.154.68.73
pdns73.ultradns.net ->2610:a1:1014::6d and 156.154.65.73
pdns73.ultradns.org ->2001:502:4612::6d and 156.154.67.73
pdns73.ultradns.co.uk ->2610:a1:1017::6d and 156.154.69.73
Mail Servers
optimalconstant.com is handled by a single mail server, mail.
optimalconstant.com shares the mail server setup with other domains, for example xn--5dbiafm5b8cn.com, bewitchedrate.com, enlogix.com, silkyincrease.com and spherical-brilliant.com.
optimalconstant.com shares some mail servers with other domains, at least partially; for instance myofficeym.co.il, duss-net.de, wigital.net, brookhunt.co.uk and buildinkaty.com.