sendmail.net - dns.ninja
sendmail.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=1786108149 | ||||||
Same first word
Similar names
DNS History
13 records (7 active, 6 former)
●NSinfoblox-sc4.ppops.net2026-02-17 → 2026-08-07 · 9 obs
● 2026-02-17 09:02:46
● 2026-04-22 10:45:34
○ 2026-04-28 18:23:46
● 2026-05-06 15:12:10
○ 2026-05-31 02:03:30
○ 2026-06-16 00:01:22
● 2026-08-07 13:30:42
● 2026-08-07 13:30:46
○NSns-ext.isc.org2008-04-09 → 2008-04-09 · 3 obs
○ 2015-08-04 00:47:02
○ 2026-08-07 13:30:46
○NSns.sendmail.com2008-04-09 → 2008-04-09 · 3 obs
○ 2015-08-04 00:47:02
○ 2026-08-07 13:30:46
●NSns1.proofpoint.com2015-08-04 → 2026-08-07 · 3 obs
● 2015-08-04 00:47:02
● 2026-08-07 13:30:46
○NSns2.sendmail.com2008-04-09 → 2008-04-09 · 3 obs
○ 2015-08-04 00:47:02
○ 2026-08-07 13:30:46
●NSns3.proofpoint.com2015-08-04 → 2026-08-07 · 3 obs
● 2015-08-04 00:47:02
● 2026-08-07 13:30:46
●NSpdns99.ultradns.biz2015-12-10 → 2026-08-07 · 3 obs
● 2015-12-10 16:06:22
● 2026-08-07 13:30:46
●NSpdns99.ultradns.com2015-12-10 → 2026-08-07 · 3 obs
● 2015-12-10 16:06:22
● 2026-08-07 13:30:46
●NSpdns99.ultradns.net2015-12-10 → 2026-08-07 · 3 obs
● 2015-12-10 16:06:22
● 2026-08-07 13:30:46
●NSpdns99.ultradns.org2015-12-10 → 2026-08-07 · 3 obs
● 2015-12-10 16:06:22
● 2026-08-07 13:30:46
○MXsmtp.sendmail.net2008-04-09 → 2016-08-10 · 4 obs
● 2016-08-10 02:45:54
○ 2017-03-29 20:08:06
○ 2026-08-07 13:30:46
○A209.246.26.152015-08-04 → 2016-08-10 · 5 obs
● 2015-08-04 00:47:02
● 2016-08-10 02:45:54
○ 2017-03-29 20:08:06
○ 2026-08-07 13:30:46
○A209.246.26.212008-04-09 → 2008-04-09 · 3 obs
○ 2015-08-04 00:47:02
○ 2026-08-07 13:30:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| sendmail.net | ns1.proofpoint.com, ns3.proofpoint.com, pdns99.ultradns.net, pdns99.ultradns.com... | 2 records |
✅ Authoritative Response
Server:156.154.66.99
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 sendmail.net (unsigned zone)
⏱️ Timing
Total: 419ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 6 | ns1.proofpoint.com, ns3.proofpoint.com... |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | infoblox-sc4.ppops.net ops.proofpoint.co |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (pdns99.ultradns.net, pdns99.ultradns.net)
Analysis
Name Servers
sendmail.net has 7 name servers — pdns99.ultradns.biz, ns1.proofpoint.com, ns3.proofpoint.com and 4 others.
sendmail.net shares at least some of its name servers with other domains, including coldchoice.com, 252.159.66.in-addr.arpa, teflon.exchange and two others.
These name servers are frequently seen alongside the name servers pdns99.ultradns.com, pdns99.ultradns.net, pdns99.ultradns.org and infoblox-sc4.ppops.net.
Hosts with two IP numbers each:
pdns99.ultradns.biz resolves to 156.154.66.99 and 2610:a1:1015::87.
ns1.proofpoint.com resolves to 208.84.67.208 and 2620:100:9000:1::d0.
ns3.proofpoint.com resolves to 208.84.66.208 and 2620:100:9004:1::d0.
pdns99.ultradns.com resolves to 156.154.64.99 and 2001:502:f3ff::87.
pdns99.ultradns.net resolves to 156.154.65.99 and 2610:a1:1014::87.
pdns99.ultradns.org resolves to 156.154.67.99 and 2001:502:4612::87.
Hosts that resolve to one IP address:
infoblox-sc4.ppops.net resolves to 10.100.1.161.