memcor.com - dns.ninja
memcor.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 204.74.99.100🇺🇸 MAINT-ID-12008204.74.99.0/24 Neustar | ||||||
| PTR | crs.ultradns.net | ||||||
| NS | pdns216.ultradns.com ⭐ | ||||||
| A | 2001:502:f3ff::fc🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar | ||||||
| PTR | pdns216.ultradns.com | ||||||
| A | 156.154.64.216🇺🇸 MAINT-ID-12008156.154.64.0/24 Neustar | ||||||
| PTR | pdns216.ultradns.com | ||||||
| NS | pdns216.ultradns.biz | ||||||
| A | 2610:a1:1015::fc🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar | ||||||
| PTR | pdns216.ultradns.biz | ||||||
| A | 156.154.66.216🇺🇸 MAINT-ID-12008156.154.66.0/24 Neustar | ||||||
| PTR | pdns216.ultradns.biz | ||||||
| NS | pdns216.ultradns.net | ||||||
| A | 2610:a1:1014::fc🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar | ||||||
| PTR | pdns216.ultradns.net | ||||||
| A | 156.154.65.216🇺🇸 MAINT-ID-12008156.154.65.0/24 Neustar | ||||||
| PTR | pdns216.ultradns.net | ||||||
| NS | pdns216.ultradns.org | ||||||
| A | 2001:502:4612::fc🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar | ||||||
| PTR | pdns216.ultradns.org | ||||||
| A | 156.154.67.216🇺🇸 MAINT-ID-12008156.154.67.0/24 Neustar | ||||||
| PTR | pdns216.ultradns.org | ||||||
| SOA | pdns216.ultradns.comcontact@dupont.com 2019-12-30 #3 | ||||||
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=1782654305 | ||||||
Same first word
Similar names
DNS History
16 records (5 active, 11 former)
○NSns1.netnames.net2015-07-04 → 2017-01-17 · 4 obs
● 2017-01-17 00:18:58
○ 2018-06-28 14:56:50
○ 2026-06-28 14:00:38
○NSns2.netnames.net2015-07-04 → 2017-01-17 · 4 obs
● 2017-01-17 00:18:58
○ 2018-06-28 14:56:50
○ 2026-06-28 14:00:38
○NSns5.netnames.net2015-07-04 → 2017-01-17 · 4 obs
● 2017-01-17 00:18:58
○ 2018-06-28 14:56:50
○ 2026-06-28 14:00:38
○NSns6.netnames.net2015-07-04 → 2017-01-17 · 4 obs
● 2017-01-17 00:18:58
○ 2018-06-28 14:56:50
○ 2026-06-28 14:00:38
○NSnsgbr.comlaude.co.uk2018-06-28 → 2018-06-28 · 4 obs
● 2018-06-28 14:56:50
○ 2026-06-17 18:32:18
○ 2026-06-28 14:00:38
○NSnssui.comlaude.ch2018-06-28 → 2018-06-28 · 4 obs
● 2018-06-28 14:56:50
○ 2026-06-17 18:32:18
○ 2026-06-28 14:00:38
○NSnsusa.comlaude.net2018-06-28 → 2018-06-28 · 4 obs
● 2018-06-28 14:56:50
○ 2026-06-17 18:32:18
○ 2026-06-28 14:00:38
●NSpdns216.ultradns.biz2026-06-17 → 2026-06-28 · 3 obs
● 2026-06-17 18:32:18
● 2026-06-28 14:00:38
●NSpdns216.ultradns.com2026-06-17 → 2026-06-28 · 3 obs
● 2026-06-17 18:32:18
● 2026-06-28 14:00:38
●NSpdns216.ultradns.net2026-06-17 → 2026-06-28 · 3 obs
● 2026-06-17 18:32:18
● 2026-06-28 14:00:38
●NSpdns216.ultradns.org2026-06-17 → 2026-06-28 · 3 obs
● 2026-06-17 18:32:18
● 2026-06-28 14:00:38
○MXrelay1.netnames.net2015-07-04 → 2017-01-17 · 4 obs
● 2017-01-17 00:18:58
○ 2018-06-28 14:56:50
○ 2026-06-28 14:00:38
○MXrelay2.netnames.net2015-07-04 → 2017-01-17 · 4 obs
● 2017-01-17 00:18:58
○ 2018-06-28 14:56:50
○ 2026-06-28 14:00:38
○A185.26.230.1292015-07-04 → 2017-01-17 · 4 obs
● 2017-01-17 00:18:58
○ 2018-06-28 14:56:50
○ 2026-06-28 14:00:38
●A204.74.99.1002026-06-17 → 2026-06-28 · 3 obs
● 2026-06-17 18:32:18
● 2026-06-28 14:00:38
○A213.212.81.712018-06-28 → 2018-06-28 · 4 obs
● 2018-06-28 14:56:50
○ 2026-06-17 18:32:18
○ 2026-06-28 14:00:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| memcor.com | pdns216.ultradns.net, pdns216.ultradns.com, pdns216.ultradns.biz, pdns216.ultradns.org | 2 records |
✅ Authoritative Response
Server:156.154.67.216
NS records: pdns216.ultradns.net, pdns216.ultradns.com, pdns216.ultradns.biz, pdns216.ultradns.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for memcor.com (unsigned zone)
⏱️ Timing
Total: 326ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 204.74.99.100 |
| NS | 4 | pdns216.ultradns.biz, pdns216.ultradns.com... |
| SOA | 1 | pdns216.ultradns.com contact.dupont.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (pdns216.ultradns.com, pdns216.ultradns.com)
Analysis
IP Addresses
memcor.com directs to one IP number, which is 204.74.99.100.
Among the host names that share IP numbers with memcor.com are www.hrinc.com, convivasolutions.com, rpc.fellowshiptech.com and two others.
Name Servers
The domain memcor.com is delegated to these four name servers: pdns216.ultradns.biz, pdns216.ultradns.com, pdns216.ultradns.net and pdns216.ultradns.org.
There is at least partial name server overlap between memcor.com and other domains — sentricon.net.cn, corteva.blog, habitatwithherbicides.com and two more among them.
These name servers regularly appear alongside pdns1.ultradns.net, pdns5.ultradns.info, pdns2.ultradns.net and 3 other name servers in NS record sets.
All four hostnames — pdns216.ultradns.biz, pdns216.ultradns.com, pdns216.ultradns.net and pdns216.ultradns.org — resolve to two IP numbers apiece: pdns216.ultradns.biz to 156.154.66.216 and 2610:a1:1015::fc; pdns216.ultradns.com to 156.154.64.216 and 2001:502:f3ff::fc; pdns216.ultradns.net to 156.154.65.216 and 2610:a1:1014::fc; pdns216.ultradns.org to 156.154.67.216 and 2001:502:4612::fc.