recipientchecker.net - robtex.com
recipientchecker.net
net
| 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=1776184212 | ||||||
Same first word
recipientchecker.net |
recipientchecker.email |
recipientchecker.co.uk |
recipientchecker.com |
DNS History
9 records (9 active, 0 former)
●NSns1.proofpoint.com2026-03-27 → 2026-04-14 · 2 obs
● 2026-04-14 16:54:54
●NSns3.proofpoint.com2026-03-27 → 2026-04-14 · 2 obs
● 2026-04-14 16:54:54
●NSpdns99.ultradns.biz2026-03-27 → 2026-04-14 · 2 obs
● 2026-04-14 16:54:54
●NSpdns99.ultradns.com2026-03-27 → 2026-04-14 · 2 obs
● 2026-04-14 16:54:54
●NSpdns99.ultradns.net2026-03-27 → 2026-04-14 · 2 obs
● 2026-04-14 16:54:54
●NSpdns99.ultradns.org2026-03-27 → 2026-04-14 · 2 obs
● 2026-04-14 16:54:54
●MXrecipientchecker-net.mail.protection.outlook.com2026-03-27 → 2026-04-14 · 2 obs
● 2026-04-14 16:54:54
●A15.197.148.332026-03-27 → 2026-04-14 · 2 obs
● 2026-04-14 16:54:54
●A3.33.130.1902026-03-27 → 2026-04-14 · 2 obs
● 2026-04-14 16:54:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| recipientchecker.net | ns1.proofpoint.com, ns3.proofpoint.com, pdns99.ultradns.net, pdns99.ultradns.com... | 2 records |
✅ Authoritative Response
Server:156.154.65.99
NS records: ns1.proofpoint.com, ns3.proofpoint.com, pdns99.ultradns.net, pdns99.ultradns.com, pdns99.ultradns.biz, pdns99.ultradns.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for recipientchecker.net (unsigned zone)
⏱️ Timing
Total: 527ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 15.197.148.33, 3.33.130.190 |
| NS | 6 | ns1.proofpoint.com, ns3.proofpoint.com... |
| MX | 1 | recipientchecker-net.mail.protection.out |
| TXT | 1 | v=spf1 mx ip4:34.241.69.89 include:spf.p |
| SOA | 1 | ns1.proofpoint.com ops.proofpoint.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (pdns99.ultradns.net, pdns99.ultradns.net)
Analysis
IP Addresses
recipientchecker.net points to two IP numbers: 3.33.130.190 and 15.197.148.33.
Other host names, for instance dkc123.com, algebra.academy, de-tread.com, rumarkable.com and btcvv.com share IP numbers with recipientchecker.net.
Name Servers
recipientchecker.net delegates to six name servers: pdns99.ultradns.biz, ns1.proofpoint.com, ns3.proofpoint.com, pdns99.ultradns.com, pdns99.ultradns.net and pdns99.ultradns.org.
recipientchecker.net shares name servers with other domains at least partially, for instance geosolinc.com, 232.145.200.216.in-addr.arpa, wheretohunt.org, ndworkforceconnection.com and spamgene.com.
these name servers are often used together with the name servers infoblox-sc4.ppops.net.
Host names with two IP numbers:
pdns99.ultradns.biz points to 2610:a1:1015::87 and 156.154.66.99.
ns1.proofpoint.com points to 2620:100:9000:1::d0 and 208.84.67.208.
ns3.proofpoint.com points to 2620:100:9004:1::d0 and 208.84.66.208.
pdns99.ultradns.com points to 2001:502:f3ff::87 and 156.154.64.99.
pdns99.ultradns.net points to 2610:a1:1014::87 and 156.154.65.99.
pdns99.ultradns.org points to 2001:502:4612::87 and 156.154.67.99.
Mail Servers
The mail server for recipientchecker.net is recipientchecker-net.mail.protection.outlook.com.
Host recipientchecker-net.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::2, 2a01:111:f403:ca04::e, 2a01:111:f403:ca04::f, 2a01:111:f403:ca09::20, 52.101.68.15, 52.101.73.4, 52.101.73.12 and 52.101.73.22.