optimalsci.com - dns.ninja
optimalsci.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=1785550837 | ||||||
Same first word
optimalsci.com |
Similar names
DNS History
16 records (11 active, 5 former)
●NSns-cloud-b1.googledomains.com2026-07-11 → 2026-08-01 · 3 obs
● 2026-07-11 13:42:12
● 2026-08-01 02:30:54
●NSns-cloud-b2.googledomains.com2026-07-11 → 2026-08-01 · 3 obs
● 2026-07-11 13:42:12
● 2026-08-01 02:30:54
●NSns-cloud-b3.googledomains.com2026-07-11 → 2026-08-01 · 3 obs
● 2026-07-11 13:42:12
● 2026-08-01 02:30:54
●NSns-cloud-b4.googledomains.com2026-07-11 → 2026-08-01 · 3 obs
● 2026-07-11 13:42:12
● 2026-08-01 02:30:54
○NSns05.domaincontrol.com2015-05-13 → 2016-09-08 · 4 obs
● 2016-09-08 14:42:56
○ 2017-04-05 07:19:54
○ 2026-08-01 02:30:54
○NSns06.domaincontrol.com2015-05-13 → 2016-09-08 · 4 obs
● 2016-09-08 14:42:56
○ 2017-04-05 07:19:54
○ 2026-08-01 02:30:54
●MXalt1.aspmx.l.google.com2026-07-11 → 2026-08-01 · 3 obs
● 2026-07-11 13:42:12
● 2026-08-01 02:30:54
●MXalt2.aspmx.l.google.com2026-07-11 → 2026-08-01 · 3 obs
● 2026-07-11 13:42:12
● 2026-08-01 02:30:54
●MXalt3.aspmx.l.google.com2026-07-11 → 2026-08-01 · 3 obs
● 2026-07-11 13:42:12
● 2026-08-01 02:30:54
●MXalt4.aspmx.l.google.com2026-07-11 → 2026-08-01 · 3 obs
● 2026-07-11 13:42:12
● 2026-08-01 02:30:54
●MXaspmx.l.google.com2026-07-11 → 2026-08-01 · 3 obs
● 2026-07-11 13:42:12
● 2026-08-01 02:30:54
○MXmailstore1.secureserver.net2015-05-13 → 2016-09-08 · 4 obs
● 2016-09-08 14:42:56
○ 2017-04-05 07:19:54
○ 2026-08-01 02:30:54
○MXsmtp.secureserver.net2015-05-13 → 2016-09-08 · 4 obs
● 2016-09-08 14:42:56
○ 2017-04-05 07:19:54
○ 2026-08-01 02:30:54
●A23.227.38.682026-07-11 → 2026-08-01 · 3 obs
● 2026-07-11 13:42:12
● 2026-08-01 02:30:54
●A2620:127:f00f:8::2026-07-11 → 2026-08-01 · 3 obs
● 2026-07-11 13:42:12
● 2026-08-01 02:30:54
○A50.63.202.852015-05-13 → 2016-09-08 · 4 obs
● 2016-09-08 14:42:56
○ 2017-04-05 07:19:54
○ 2026-08-01 02:30:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | h.gtld-servers.net, a.gtld-servers.net, f.gtld-servers.net, b.gtld-servers.net... | - |
| optimalsci.com | ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com, ns-cloud-b4.googledomains.com | 8 records |
✅ Authoritative Response
Server:216.239.32.107
NS records: ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com, ns-cloud-b4.googledomains.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for optimalsci.com (unsigned zone)
⏱️ Timing
Total: 503ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 23.227.38.68 |
| AAAA | 1 | 2620:127:f00f:8:: |
| NS | 4 | ns-cloud-b3.googledomains.com, ns-cloud-b1.googledomains.com... |
| MX | 5 | alt1.aspmx.l.google.com (pri: 5), alt2.aspmx.l.google.com (pri: 5)... |
| TXT | 1 | google-site-verification=QORoXoyrIgc0dvA |
| SOA | 1 | ns-cloud-b1.googledomains.com cloud-dns- |
📌 Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (ns-cloud-b1.googledomains.com, ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com...)
Analysis
IP Addresses
optimalsci.com directs to two IP numbers, 23.227.38.68 and 2620:127:f00f:8::
unikulma.fi, humormegifts.com, bigdogdumpsters.com and two other host names share IP numbers with optimalsci.com.
Name Servers
The authoritative name servers for optimalsci.com are ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com and ns-cloud-b4.googledomains.com.
optimalsci.com partially shares its NS delegation with several other domains, including consentiv.com, cats-country.co.uk, londonharmon.com and two others.
These name servers are regularly seen alongside ns1.mirusresearch.com and ns2.mir.us as name servers.
ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com and ns-cloud-b4.googledomains.com each carry two IP addresses. ns-cloud-b1.googledomains.com has 216.239.32.107 and 2001:4860:4802:32::6b; ns-cloud-b2.googledomains.com has 216.239.34.107 and 2001:4860:4802:34::6b; ns-cloud-b3.googledomains.com has 216.239.36.107 and 2001:4860:4802:36::6b; ns-cloud-b4.googledomains.com has 216.239.38.107 and 2001:4860:4802:38::6b.
Mail Servers
Mail for optimalsci.com is handled by five mail servers, namely aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
optimalsci.com has at least partial mail server overlap with other domains such as ns500758.ns500759.ns500758.ns500698.ns500758.ns500736.ns500698.ns500736.ns500735.ns500735.ns500736.ns500708.ns500698.ns500576.ns500619.ns500619.trackreceptor.com, mafbla.org, ns500731.ns500671.ns500731.ns500731.ns500704.ns500688.ns500678.ns500688.ns500704.ns500671.ns500671.lusty(0x736c7574)z.com and two more.
The mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com are commonly seen alongside these mail servers.
Hostnames that resolve to two IP addresses:
aspmx.l.google.com maps to two IP addresses — 142.250.31.27 and 2607:f8b0:4004:c0b::1a.
alt1.aspmx.l.google.com maps to two IP addresses — 108.177.123.27 and 2800:3f0:4003:c0f::1b.
alt2.aspmx.l.google.com maps to two IP addresses — 172.253.116.26 and 2a00:1450:400b:c02::1a.
alt3.aspmx.l.google.com maps to two IP addresses — 192.178.223.27 and 2a00:1450:4009:c0f::1a.
alt4.aspmx.l.google.com maps to two IP addresses — 172.253.157.27 and 2a00:1450:400c:c23::1b.