mail.ncbi.us - robtex.com
mail.ncbi.us
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.248.169.48🇺🇸 Amazon13.248.160.0/20 | ||||||
| PTR | a904c694c05102f30.awsglobalaccelerator.com | ||||||
| A | 76.223.54.146🇺🇸 Amazon76.223.48.0/20 | ||||||
| NS | ns2.afternic.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 2603:5:2226::45🇺🇸 GODADDY-DNS2603:5:2220::/44 | ||||||
| PTR | ns2.afternic.com | ||||||
| A | 173.201.66.69🇺🇸 GODADDY-DNS173.201.66.0/23 | ||||||
| PTR | ns2.afternic.com | ||||||
| NS | ns1.afternic.com ⚠️ Not in parent delegation | ||||||
| A | 2603:5:2126::45🇺🇸 GODADDY-DNS2603:5:2120::/44 | ||||||
| PTR | ns1.afternic.com | ||||||
| A | 97.74.98.69🇺🇸 GODADDY-DNS97.74.98.0/23 | ||||||
| PTR | ns1.afternic.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns2.afternic.comdns@jomax.net serial=1 | ||||||
ncbi.us
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.248.169.48🇺🇸 Amazon13.248.160.0/20 | ||||||
| A | 76.223.54.146🇺🇸 Amazon76.223.48.0/20 | ||||||
| NS | ns2.afternic.com ⭐ | ||||||
| NS | ns1.afternic.com | ||||||
| NS | verification-m3erh32ujyoastvophjvuz.ns101.verify.hn ⚠️ Not in zone NS records | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns2.afternic.comdns@jomax.net serial=1 | ||||||
Same first word
Similar names
DNS History
9 records (4 active, 5 former)
●NSns1.afternic.com2026-04-10 → 2026-04-14 · 3 obs
● 2026-04-10 08:37:00
● 2026-04-14 06:50:04
●NSns2.afternic.com2026-04-10 → 2026-04-14 · 3 obs
● 2026-04-10 08:37:00
● 2026-04-14 06:50:04
○NSns3.hostek.com2015-11-12 → 2016-04-28 · 4 obs
● 2016-04-28 06:10:22
○ 2026-04-10 08:37:00
○ 2026-04-14 06:50:04
○NSns4.hostek.com2015-11-12 → 2016-04-28 · 4 obs
● 2016-04-28 06:10:22
○ 2026-04-10 08:37:00
○ 2026-04-14 06:50:04
○MXncbi.us2015-11-12 → 2016-04-28 · 4 obs
● 2016-04-28 06:10:22
○ 2026-04-10 08:37:00
○ 2026-04-14 06:50:04
●A13.248.169.482026-04-10 → 2026-04-14 · 3 obs
● 2026-04-10 08:37:00
● 2026-04-14 06:50:04
○A64.73.214.1062015-07-04 → 2016-04-28 · 4 obs
● 2016-04-28 06:10:22
○ 2026-04-10 08:37:00
○ 2026-04-14 06:50:04
●A76.223.54.1462026-04-10 → 2026-04-14 · 3 obs
● 2026-04-10 08:37:00
● 2026-04-14 06:50:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| us | b.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us... | - |
| ncbi.us | ns1.afternic.com, ns2.afternic.com, verification-m3erh32ujyoastvophjvuz.ns101.verify.hn | - |
✅ Authoritative Response
Server:97.74.98.69
NS records: ns1.afternic.com, ns2.afternic.com, verification-m3erh32ujyoastvophjvuz.ns101.verify.hn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ncbi.us (unsigned zone)
⏱️ Timing
Total: 3401ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 76.223.54.146, 13.248.169.48 |
| NS | 2 | ns1.afternic.com, ns2.afternic.com |
| MX | 1 | . (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns1.afternic.com dns.jomax.net |
Analysis
IP Addresses
mail.ncbi.us points to two IP numbers: 13.248.169.48 and 76.223.54.146.
Other host names, for instance lyderhorn.com, cashsender.com, rainierenergy.com, asassins.com and tulsa-plumbing.com share IP numbers with mail.ncbi.us.
Name Servers
Delegation for mail.ncbi.us rests with two name servers, ns1.afternic.com and ns2.afternic.com.
mail.ncbi.us shares the same name server setup as other domains, including maxsynapse.com, proppush.com, oht.co, www.prawg.com and 72-172-177-073.bayarea.net.
mail.ncbi.us at least partially shares name servers with other domains, for instance bgt.com.au, frizek.com, www.stage.biz, metrokochi.com and keni.co.
These name servers are commonly used alongside verification-d3jclucsp89ganyqbydeny.ns101.verify.hn, verification-a6wcjiy3t6u64zppv78yuf.ns101.verify.hn, verification-9lsjtsgxkuo9zhc2bkzhmv.ns101.verify.hn and verification-cds4j27nuwesbofkwenybj.ns101.verify.hn.
Host names with two IP numbers: ns1.afternic.com points to 2603:5:2126::45 and 97.74.98.69; ns2.afternic.com points to 2603:5:2226::45 and 173.201.66.69.