yi-sai.com - robtex.com
yi-sai.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ps2idns05.express-scripts.com ⭐ | ||||||
| A | 10.221.224.150 | ||||||
| NS | ns04.express-scripts.com | ||||||
| A | 167.211.104.150🇺🇸 AS5696167.211.104.0/24 Akamai Technologies, Inc | ||||||
| NS | ns05.express-scripts.com | ||||||
| A | 167.18.104.150🇺🇸 AS5696167.18.104.0/24 Akamai Technologies, Inc. | ||||||
| MX | mail.yi-sai.com ⭐ | ||||||
| A | 59.151.112.15🇨🇳 CMNET-BEIJING-AP59.151.96.0/19 CHINA-ABITCOOL Abitcool(China) Inc. | ||||||
| PTR | mail.express-scripts.com.cn | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ps2idns05.express-scripts.comnsse@express-scripts.com serial=29 | ||||||
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=1771291435 | ||||||
Subdomains
mail.yi-sai.com |
Same first word
DNS History
7 records (4 active, 3 former)
○NSns01.medco.com2015-07-23 → 2017-01-05 · 4 obs
● 2017-01-05 20:43:02
○ 2018-07-07 20:23:56
○ 2026-03-23 22:52:10
○NSns02.medco.com2015-07-23 → 2017-01-05 · 4 obs
● 2017-01-05 20:43:02
○ 2018-07-07 20:23:56
○ 2026-03-23 22:52:10
○NSns03.medco.com2015-07-23 → 2017-01-05 · 4 obs
● 2017-01-05 20:43:02
○ 2018-07-07 20:23:56
○ 2026-03-23 22:52:10
●NSns04.express-scripts.com2018-07-07 → 2026-03-23 · 3 obs
● 2018-07-07 20:23:56
● 2026-03-23 22:52:10
●NSns05.express-scripts.com2018-07-07 → 2026-03-23 · 3 obs
● 2018-07-07 20:23:56
● 2026-03-23 22:52:10
●NSps2idns05.express-scripts.com2026-03-16 → 2026-03-23 · 3 obs
● 2026-03-16 14:24:22
● 2026-03-23 22:52:10
●MXmail.yi-sai.com2015-07-23 → 2026-03-23 · 2 obs
● 2026-03-23 22:52:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | f.gtld-servers.net, i.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net... | - |
| yi-sai.com | ns05.express-scripts.com, ns04.express-scripts.com | 2 records |
✅ Authoritative Response
Server:167.18.104.150
NS records: ns05.express-scripts.com, ns04.express-scripts.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for yi-sai.com (unsigned zone)
⏱️ Timing
Total: 209ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns05.express-scripts.com, ns04.express-scripts.com |
| MX | 1 | mail.yi-sai.com (pri: 10) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ps2idns05.express-scripts.com nsse.expre |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns05.express-scripts.com, ns04.express-scripts.com)
Analysis
Hierarchy
The parent of mail.yi-sai.com is yi-sai.com.
Name Servers
yi-sai.com is delegated to three name servers: ns04.express-scripts.com, ns05.express-scripts.com and ps2idns05.express-scripts.com.
yi-sai.com partially shares name servers with other domains; examples include orders.express-scripts.com, accredoivig.us, medcoonline.com, ninetrendsreport.us and esiprovidercredentialing.com.
Host names with one IP number:
Host ns04.express-scripts.com points to 167.211.104.150.
Host ns05.express-scripts.com points to 167.18.104.150.
Host ps2idns05.express-scripts.com points to 10.221.224.150.
Mail Servers
yi-sai.com is handled by a single mail server, mail.yi-sai.com.
mail.yi-sai.com points to a single IP: 59.151.112.15.