refsci.com - dns.ninja
refsci.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=1783230576 | ||||||
Same first word
refsci.com |
Similar names
DNS History
12 records (9 active, 3 former)
●NSns25.domaincontrol.com2015-07-06 → 2026-07-05 · 2 obs
● 2026-07-05 06:09:52
●NSns26.domaincontrol.com2015-07-06 → 2026-07-05 · 2 obs
● 2026-07-05 06:09:52
●MXalt1.aspmx.l.google.com2019-02-03 → 2026-07-05 · 3 obs
● 2019-02-03 20:59:28
● 2026-07-05 06:09:52
●MXalt2.aspmx.l.google.com2019-02-03 → 2026-07-05 · 3 obs
● 2019-02-03 20:59:28
● 2026-07-05 06:09:52
●MXaspmx.l.google.com2019-02-03 → 2026-07-05 · 3 obs
● 2019-02-03 20:59:28
● 2026-07-05 06:09:52
●MXaspmx2.googlemail.com2019-02-03 → 2026-07-05 · 3 obs
● 2019-02-03 20:59:28
● 2026-07-05 06:09:52
●MXaspmx3.googlemail.com2019-02-03 → 2026-07-05 · 3 obs
● 2019-02-03 20:59:28
● 2026-07-05 06:09:52
○MXmailstore1.secureserver.net2015-07-06 → 2017-03-17 · 4 obs
● 2017-03-17 06:45:00
○ 2019-02-03 20:59:28
○ 2026-07-05 06:09:52
○MXsmtp.secureserver.net2015-07-06 → 2017-03-17 · 4 obs
● 2017-03-17 06:45:00
○ 2019-02-03 20:59:28
○ 2026-07-05 06:09:52
●A15.197.148.332026-03-23 → 2026-07-05 · 3 obs
● 2026-03-23 00:30:32
● 2026-07-05 06:09:52
○A184.168.221.432015-07-06 → 2019-02-03 · 4 obs
● 2019-02-03 20:59:28
○ 2026-03-23 00:30:32
○ 2026-07-05 06:09:52
●A3.33.130.1902026-03-23 → 2026-07-05 · 3 obs
● 2026-03-23 00:30:32
● 2026-07-05 06:09:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| refsci.com | ns25.domaincontrol.com, ns26.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:173.201.70.13
NS records: ns25.domaincontrol.com, ns26.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for refsci.com (unsigned zone)
⏱️ Timing
Total: 181ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 3.33.130.190, 15.197.148.33 |
| NS | 2 | ns25.domaincontrol.com, ns26.domaincontrol.com |
| MX | 5 | alt1.aspmx.l.google.com (pri: 20), alt2.aspmx.l.google.com (pri: 30)... |
| TXT | 1 | google-site-verification=RJG0F74EeSsFsmr |
| SOA | 1 | ns25.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns25.domaincontrol.com, ns25.domaincontrol.com, ns26.domaincontrol.com...)
Analysis
IP Addresses
refsci.com has two IP addresses: 3.33.130.190 and 15.197.148.33
the-cst.org, zappaplayszappa.com, garnutt.com and two other host names share IP numbers with refsci.com.
Name Servers
refsci.com has two authoritative name servers — ns25.domaincontrol.com and ns26.domaincontrol.com.
refsci.com uses the same name servers as several other domains — among them teen(0x736578)webcams.com, angermanagementinfo.com, motelwarrnambool.com and two more.
Both ns25.domaincontrol.com and ns26.domaincontrol.com have two IP addresses each. ns25.domaincontrol.com resolves to 97.74.102.13 and 2603:5:2161::d; ns26.domaincontrol.com resolves to 173.201.70.13 and 2603:5:2261::d.
Mail Servers
Five mail servers handle refsci.com: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.
refsci.com has at least partial mail server overlap with other domains such as klinze.nl, elusiveaudio.co, ns500742.ns500671.ns500731.ns500742.ns500731.ns500705.ns500705.ns500705.ns500704.ns500705.ns500678.ns500649.tenderladiesbz.com and two more.
These mail servers commonly co-occur with mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 others.
Hostnames that resolve to two IP addresses:
aspmx2.googlemail.com resolves to 108.177.123.27 and 2800:3f0:4003:c0f::1a.
aspmx3.googlemail.com resolves to 172.253.116.26 and 2a00:1450:400b:c02::1b.
aspmx.l.google.com resolves to 64.233.180.27 and 2607:f8b0:4004:c08::1b.
alt1.aspmx.l.google.com resolves to 108.177.123.26 and 2800:3f0:4003:c0f::1b.
alt2.aspmx.l.google.com resolves to 172.253.116.26 and 2a00:1450:400b:c02::1b.
The host names aspmx3.googlemail.com and alt2.aspmx.l.google.com both resolve to 2a00:1450:400b:c02::1b IP addresses.
The host names aspmx3.googlemail.com and alt2.aspmx.l.google.com both resolve to 172.253.116.26 IP addresses.