coregrades.com - dns.ninja
coregrades.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-1264.awsdns-30.org ⭐ | ||||||
| A | 2600:9000:5304:f000::1🇺🇸 Amazon2600:9000:5304::/48 - CloudFront | ||||||
| PTR | ns-1264.awsdns-30.org | ||||||
| A | 205.251.196.240🇺🇸 Amazon205.251.196.0/24 prefix | ||||||
| PTR | ns-1264.awsdns-30.org | ||||||
| NS | ns-1631.awsdns-11.co.uk | ||||||
| A | 2600:9000:5306:5f00::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront | ||||||
| PTR | ns-1631.awsdns-11.co.uk | ||||||
| A | 205.251.198.95🇺🇸 Amazon205.251.198.0/24 prefix | ||||||
| PTR | ns-1631.awsdns-11.co.uk | ||||||
| NS | ns-405.awsdns-50.com | ||||||
| A | 2600:9000:5301:9500::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront | ||||||
| PTR | ns-405.awsdns-50.com | ||||||
| A | 205.251.193.149🇺🇸 Amazon205.251.193.0/24 prefix | ||||||
| PTR | ns-405.awsdns-50.com | ||||||
| NS | ns-517.awsdns-00.net | ||||||
| A | 2600:9000:5302:500::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront | ||||||
| PTR | ns-517.awsdns-00.net | ||||||
| A | 205.251.194.5🇺🇸 Amazon205.251.194.0/24 prefix | ||||||
| PTR | ns-517.awsdns-00.net | ||||||
| SOA | ns-1264.awsdns-30.orgawsdns-hostmaster@amazon.com serial=1 | ||||||
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=1785262862 | ||||||
Same first word
coregrades.com |
Similar names
DNS History
9 records (4 active, 5 former)
●NSns-1264.awsdns-30.org2026-07-21 → 2026-07-28 · 3 obs
● 2026-07-21 20:06:50
● 2026-07-28 18:31:48
●NSns-1631.awsdns-11.co.uk2026-07-21 → 2026-07-28 · 3 obs
● 2026-07-21 20:06:50
● 2026-07-28 18:31:48
●NSns-405.awsdns-50.com2026-07-21 → 2026-07-28 · 3 obs
● 2026-07-21 20:06:50
● 2026-07-28 18:31:48
●NSns-517.awsdns-00.net2026-07-21 → 2026-07-28 · 3 obs
● 2026-07-21 20:06:50
● 2026-07-28 18:31:48
○NSns15.domaincontrol.com2015-06-19 → 2017-03-28 · 4 obs
● 2017-03-28 11:53:36
○ 2026-07-21 20:06:50
○ 2026-07-28 18:31:48
○NSns16.domaincontrol.com2015-06-19 → 2017-03-28 · 4 obs
● 2017-03-28 11:53:36
○ 2026-07-21 20:06:50
○ 2026-07-28 18:31:48
○MXmailstore1.secureserver.net2015-06-19 → 2017-03-28 · 4 obs
● 2017-03-28 11:53:36
○ 2026-07-21 20:06:50
○ 2026-07-28 18:31:48
○MXsmtp.secureserver.net2015-06-19 → 2017-03-28 · 4 obs
● 2017-03-28 11:53:36
○ 2026-07-21 20:06:50
○ 2026-07-28 18:31:48
○A184.168.221.632015-06-19 → 2017-03-28 · 4 obs
● 2017-03-28 11:53:36
○ 2026-07-21 20:06:50
○ 2026-07-28 18:31:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | b.gtld-servers.net, a.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net... | - |
| coregrades.com | ns-517.awsdns-00.net, ns-405.awsdns-50.com, ns-1631.awsdns-11.co.uk, ns-1264.awsdns-30.org | 2 records |
✅ Authoritative Response
Server:205.251.194.5
NS records: ns-517.awsdns-00.net, ns-405.awsdns-50.com, ns-1631.awsdns-11.co.uk, ns-1264.awsdns-30.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for coregrades.com (unsigned zone)
⏱️ Timing
Total: 880ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-1264.awsdns-30.org, ns-1631.awsdns-11.co.uk... |
| SOA | 1 | ns-1264.awsdns-30.org awsdns-hostmaster. |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns-405.awsdns-50.com, ns-405.awsdns-50.com)
Analysis
Name Servers
The domain coregrades.com is delegated to these four name servers: ns-405.awsdns-50.com, ns-517.awsdns-00.net, ns-1264.awsdns-30.org and ns-1631.awsdns-11.co.uk.
coregrades.com has at least partial name server overlap with other domains, such as granhomes.com, cnni.ch, fastgym-recruit.net and two others.
ns-405.awsdns-50.com, ns-517.awsdns-00.net, ns-1264.awsdns-30.org and ns-1631.awsdns-11.co.uk all point to exactly two IP numbers each: ns-405.awsdns-50.com → 205.251.193.149 and 2600:9000:5301:9500::1; ns-517.awsdns-00.net → 205.251.194.5 and 2600:9000:5302:500::1; ns-1264.awsdns-30.org → 205.251.196.240 and 2600:9000:5304:f000::1; ns-1631.awsdns-11.co.uk → 205.251.198.95 and 2600:9000:5306:5f00::1.