recipientchecker.email - robtex.com
recipientchecker.email
email
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | v0n0.nic.email ⭐ | ||||||
| NS | v0n1.nic.email | ||||||
| NS | v0n2.nic.email | ||||||
| NS | v0n3.nic.email | ||||||
| NS | v2n0.nic.email | ||||||
| NS | v2n1.nic.email | ||||||
| SOA | v0n0.nic.emailhostmaster@donuts.email serial=1776292029 | ||||||
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 → 2026-04-15 · 2 obs
● 2026-04-15 22:56:34
●NSns3.proofpoint.com2026-03-27 → 2026-04-15 · 2 obs
● 2026-04-15 22:56:34
●NSpdns99.ultradns.biz2026-03-27 → 2026-04-15 · 2 obs
● 2026-04-15 22:56:34
●NSpdns99.ultradns.com2026-03-27 → 2026-04-15 · 2 obs
● 2026-04-15 22:56:34
●NSpdns99.ultradns.net2026-03-27 → 2026-04-15 · 2 obs
● 2026-04-15 22:56:34
●NSpdns99.ultradns.org2026-03-27 → 2026-04-15 · 2 obs
● 2026-04-15 22:56:34
●MXrecipientchecker-email.mail.protection.outlook.com2026-03-27 → 2026-04-15 · 2 obs
● 2026-04-15 22:56:34
●A15.197.148.332026-03-27 → 2026-04-15 · 2 obs
● 2026-04-15 22:56:34
●A3.33.130.1902026-03-27 → 2026-04-15 · 2 obs
● 2026-04-15 22:56:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| v0n0.nic.email, v0n1.nic.email, v0n2.nic.email, v0n3.nic.email... | 12 records | |
| recipientchecker.email | ns3.proofpoint.com, pdns99.ultradns.org, pdns99.ultradns.net, pdns99.ultradns.biz... | - |
✅ Authoritative Response
Server:156.154.66.99
NS records: ns3.proofpoint.com, pdns99.ultradns.org, pdns99.ultradns.net, pdns99.ultradns.biz, ns1.proofpoint.com, pdns99.ultradns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for recipientchecker.email (unsigned zone)
⏱️ Timing
Total: 534ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 3.33.130.190, 15.197.148.33 |
| NS | 6 | ns1.proofpoint.com, ns3.proofpoint.com... |
| MX | 1 | recipientchecker-email.mail.protection.o |
| TXT | 1 | v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | ns1.proofpoint.com ops.proofpoint.com |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (v0n0.nic.email, v0n0.nic.email, v0n1.nic.email...)
Analysis
IP Addresses
recipientchecker.email resolves to two IPs: 3.33.130.190 and 15.197.148.33.
other host names for instance the-sosa.com, siufoundation.org, ebabyonline.com, abow.co.uk and ronwarsaski.com share IP numbers with recipientchecker.email.
Name Servers
recipientchecker.email is delegated to six name servers: pdns99.ultradns.biz, ns1.proofpoint.com, ns3.proofpoint.com, pdns99.ultradns.com, pdns99.ultradns.net and pdns99.ultradns.org.
recipientchecker.email at least partially shares name servers with other domains, for instance bewusa.net, 28.183.185.in-addr.arpa, sigaba.com, emrgmbh.com and sendermailer.net.
These name servers are commonly used 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
recipientchecker.email is handled by a single mail server, recipientchecker-email.mail.protection.outlook.com.
Host name recipientchecker-email.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca0b::, 2a01:111:f403:ca0b::1, 2a01:111:f403:ca1a::, 2a01:111:f403:ca1a::1, 52.101.89.0, 52.101.89.1, 52.101.89.2 and 52.101.99.2.