sd-core.com - robtex.com
sd-core.com
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=1785317527 | ||||||
Same first word
sd-core.com |
Similar names
DNS History
11 records (6 active, 5 former)
●NSedns161.ultradns.biz2026-05-27 → 2026-07-29 · 3 obs
● 2026-05-27 00:35:32
● 2026-07-29 09:54:14
●NSedns161.ultradns.com2026-05-27 → 2026-07-29 · 3 obs
● 2026-05-27 00:35:32
● 2026-07-29 09:54:14
●NSedns161.ultradns.net2026-05-27 → 2026-07-29 · 3 obs
● 2026-05-27 00:35:32
● 2026-07-29 09:54:14
●NSedns161.ultradns.org2026-05-27 → 2026-07-29 · 3 obs
● 2026-05-27 00:35:32
● 2026-07-29 09:54:14
○NSns1.activeby.net2015-08-13 → 2017-07-22 · 4 obs
● 2017-07-22 22:16:44
○ 2026-05-27 00:35:32
○ 2026-07-29 09:54:14
○NSns2.activeby.net2015-08-13 → 2017-07-22 · 4 obs
● 2017-07-22 22:16:44
○ 2026-05-27 00:35:32
○ 2026-07-29 09:54:14
○NSns3.activeby.net2015-08-13 → 2017-07-22 · 4 obs
● 2017-07-22 22:16:44
○ 2026-05-27 00:35:32
○ 2026-07-29 09:54:14
●NSns96.ultradns2.com2026-05-27 → 2026-07-29 · 3 obs
● 2026-05-27 00:35:32
● 2026-07-29 09:54:14
●NSns96.ultradns2.org2026-05-27 → 2026-07-29 · 3 obs
● 2026-05-27 00:35:32
● 2026-07-29 09:54:14
○MXmx.yandex.ru2015-08-13 → 2017-07-22 · 4 obs
● 2017-07-22 22:16:44
○ 2026-05-27 00:35:32
○ 2026-07-29 09:54:14
○A178.159.250.1632015-08-13 → 2017-07-22 · 4 obs
● 2017-07-22 22:16:44
○ 2026-05-27 00:35:32
○ 2026-07-29 09:54:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| sd-core.com | edns161.ultradns.biz, edns161.ultradns.net, edns161.ultradns.com, edns161.ultradns.org... | 4 records |
✅ Authoritative Response
Server:204.74.111.161
NS records: edns161.ultradns.biz, edns161.ultradns.net, edns161.ultradns.com, edns161.ultradns.org, ns96.ultradns2.com, ns96.ultradns2.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sd-core.com (unsigned zone)
⏱️ Timing
Total: 809ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 6 | ns96.ultradns2.com, ns96.ultradns2.org... |
| SOA | 1 | edns161.ultradns.com domains\.admin.broa |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (edns161.ultradns.com, edns161.ultradns.com, ns96.ultradns2.com...)
Analysis
Name Servers
sd-core.com is served by 6 authoritative name servers — among them edns161.ultradns.biz, edns161.ultradns.com, ns96.ultradns2.com and 3 others.
sd-core.com has at least partial name server overlap with other domains, such as metakeyserver.net, brocade.com.es, broadcom.us and two others.
It is common to find these name servers paired with the name servers edns161.ultradns.net, edns161.ultradns.org, ns96.ultradns2.org and lvn-exdns-1.broadcom.net.
Host names with two IP numbers:
edns161.ultradns.biz resolves to two addresses: 204.74.67.161 and 2610:a1:1015::2a1.
edns161.ultradns.com resolves to two addresses: 204.74.66.161 and 2001:502:f3ff::2a1.
ns96.ultradns2.com resolves to two addresses: 204.74.104.96 and 2610:a1:3160::53.
edns161.ultradns.net resolves to two addresses: 204.74.110.161 and 2610:a1:1014::2a1.
edns161.ultradns.org resolves to two addresses: 204.74.111.161 and 2001:502:4612::2a1.
ns96.ultradns2.org resolves to two addresses: 204.74.106.96 and 2610:a1:3260::53.