sendmail.de - dns.ninja
sendmail.de
de
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | f.nic.de ⭐ | ||||||
| NS | a.nic.de | ||||||
| NS | l.de.net ⚠️ Not in parent delegation | ||||||
| NS | n.de.net ⚠️ Not in parent delegation | ||||||
| NS | s.de.net ⚠️ Not in parent delegation | ||||||
| NS | z.nic.de | ||||||
| SOA | f.nic.dedns-operations@denic.de serial=1786163602 | ||||||
Same first word
Similar names
DNS History
10 records (6 active, 4 former)
○NSinfoblox-sc4.ppops.net2026-08-06 → 2026-08-06 · 3 obs
● 2026-08-06 11:41:10
○ 2026-08-08 04:43:24
●NSns1.proofpoint.com2015-05-19 → 2026-08-08 · 2 obs
● 2026-08-08 04:43:24
●NSns3.proofpoint.com2015-05-19 → 2026-08-08 · 2 obs
● 2026-08-08 04:43:24
●NSpdns99.ultradns.biz2015-12-05 → 2026-08-08 · 3 obs
● 2015-12-05 08:02:50
● 2026-08-08 04:43:24
●NSpdns99.ultradns.com2015-12-05 → 2026-08-08 · 3 obs
● 2015-12-05 08:02:50
● 2026-08-08 04:43:24
●NSpdns99.ultradns.net2015-12-05 → 2026-08-08 · 3 obs
● 2015-12-05 08:02:50
● 2026-08-08 04:43:24
●NSpdns99.ultradns.org2015-12-05 → 2026-08-08 · 3 obs
● 2015-12-05 08:02:50
● 2026-08-08 04:43:24
○MXrighton.sendmail.com2015-05-19 → 2016-04-05 · 4 obs
● 2016-04-05 14:23:08
○ 2016-09-10 07:21:58
○ 2026-08-08 04:43:24
○MXsmtp.sendmail.com2015-05-19 → 2016-09-10 · 4 obs
● 2016-09-10 07:21:58
○ 2017-04-10 05:56:12
○ 2026-08-08 04:43:24
○A209.246.26.252015-05-19 → 2016-09-10 · 4 obs
● 2016-09-10 07:21:58
○ 2017-04-10 05:56:12
○ 2026-08-08 04:43:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| sendmail.de | pdns99.ultradns.net, ns1.proofpoint.com, pdns99.ultradns.biz, ns3.proofpoint.com... | - |
✅ Authoritative Response
Server:156.154.67.99
NS records: pdns99.ultradns.net, ns1.proofpoint.com, pdns99.ultradns.biz, ns3.proofpoint.com, pdns99.ultradns.com, pdns99.ultradns.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sendmail.de (unsigned zone)
⏱️ Timing
Total: 822ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 6 | ns1.proofpoint.com, ns3.proofpoint.com... |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns1.proofpoint.com ops.proofpoint.com |
Analysis
Name Servers
sendmail.de carries NS records listing 6 name servers — pdns99.ultradns.biz, ns1.proofpoint.com, ns3.proofpoint.com and 3 others.
There is at least partial name server overlap between sendmail.de and other domains — virtualonestop.com, teflon.com.ua, teflon.cz and two more among them.
These name servers tend to appear in combination with the name servers pdns99.ultradns.com, pdns99.ultradns.net, pdns99.ultradns.org and infoblox-sc4.ppops.net.
Host names with two IP numbers:
The A records for pdns99.ultradns.biz return 156.154.66.99 and 2610:a1:1015::87.
The A records for ns1.proofpoint.com return 208.84.67.208 and 2620:100:9000:1::d0.
The A records for ns3.proofpoint.com return 208.84.66.208 and 2620:100:9004:1::d0.
The A records for pdns99.ultradns.com return 156.154.64.99 and 2001:502:f3ff::87.
The A records for pdns99.ultradns.net return 156.154.65.99 and 2610:a1:1014::87.
The A records for pdns99.ultradns.org return 156.154.67.99 and 2001:502:4612::87.