portreader.com - robtex.com
portreader.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-541.awsdns-03.net ⭐ | ||||||
| A | 2600:9000:5302:1d00::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront | ||||||
| PTR | ns-541.awsdns-03.net | ||||||
| A | 205.251.194.29🇺🇸 Amazon205.251.194.0/24 prefix | ||||||
| PTR | ns-541.awsdns-03.net | ||||||
| NS | ns-1342.awsdns-39.org | ||||||
| A | 2600:9000:5305:3e00::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront | ||||||
| PTR | ns-1342.awsdns-39.org | ||||||
| A | 205.251.197.62🇺🇸 Amazon205.251.197.0/24 prefix | ||||||
| PTR | ns-1342.awsdns-39.org | ||||||
| NS | ns-1872.awsdns-42.co.uk | ||||||
| A | 2600:9000:5307:5000::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront | ||||||
| PTR | ns-1872.awsdns-42.co.uk | ||||||
| A | 205.251.199.80🇺🇸 Amazon205.251.199.0/24 prefix | ||||||
| PTR | ns-1872.awsdns-42.co.uk | ||||||
| NS | ns-34.awsdns-04.com | ||||||
| A | 2600:9000:5300:2200::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront | ||||||
| PTR | ns-34.awsdns-04.com | ||||||
| A | 205.251.192.34🇺🇸 Amazon205.251.192.0/24 prefix | ||||||
| PTR | ns-34.awsdns-04.com | ||||||
| MX | mx.ym.163.com ⭐ | ||||||
| A | 111.124.200.35🇨🇳 CHINANET-Guizhou-Guian-IDC111.124.192.0/19 | ||||||
| TXT | v=spf1 include:spf.163.com -all | ||||||
| SOA | ns-541.awsdns-03.netawsdns-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=1778321851 | ||||||
Same first word
portreader.com |
DNS History
8 records (5 active, 3 former)
○NSauth01.ns.uu.net2008-03-18 → 2008-03-18 · 3 obs
○ 2015-11-02 04:10:00
○ 2026-05-09 10:18:40
○NSauth61.ns.uu.net2008-03-18 → 2008-03-18 · 3 obs
○ 2015-11-02 04:10:00
○ 2026-05-09 10:18:40
●NSns-1342.awsdns-39.org2026-03-24 → 2026-05-09 · 3 obs
● 2026-03-24 23:29:02
● 2026-05-09 10:18:40
●NSns-1872.awsdns-42.co.uk2026-03-24 → 2026-05-09 · 3 obs
● 2026-03-24 23:29:02
● 2026-05-09 10:18:40
●NSns-34.awsdns-04.com2026-03-24 → 2026-05-09 · 3 obs
● 2026-03-24 23:29:02
● 2026-05-09 10:18:40
●NSns-541.awsdns-03.net2026-03-24 → 2026-05-09 · 3 obs
● 2026-03-24 23:29:02
● 2026-05-09 10:18:40
●MXmx.ym.163.com2026-03-24 → 2026-05-09 · 2 obs
● 2026-05-09 10:18:40
○A63.111.12.302008-03-18 → 2008-03-18 · 3 obs
○ 2015-11-02 04:10:00
○ 2026-05-09 10:18:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, e.gtld-servers.net, d.gtld-servers.net, i.gtld-servers.net... | - |
| portreader.com | ns-34.awsdns-04.com, ns-541.awsdns-03.net, ns-1872.awsdns-42.co.uk, ns-1342.awsdns-39.org | 2 records |
✅ Authoritative Response
Server:205.251.197.62
NS records: ns-34.awsdns-04.com, ns-541.awsdns-03.net, ns-1872.awsdns-42.co.uk, ns-1342.awsdns-39.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for portreader.com (unsigned zone)
⏱️ Timing
Total: 430ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-1342.awsdns-39.org, ns-1872.awsdns-42.co.uk... |
| MX | 1 | mx.ym.163.com (pri: 10) |
| TXT | 1 | v=spf1 include:spf.163.com -all |
| SOA | 1 | ns-541.awsdns-03.net awsdns-hostmaster.a |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns-34.awsdns-04.com, ns-34.awsdns-04.com)
Analysis
Name Servers
portreader.com is delegated to four name servers: ns-34.awsdns-04.com, ns-541.awsdns-03.net, ns-1342.awsdns-39.org and ns-1872.awsdns-42.co.uk.
portreader.com at least partially shares name servers with other domains, for example d3oqq1f3pdgff1.cloudfront.net, qoolwords.com, anglehi.com, appcend.com and cwjhs.com.
Host names with two IP numbers:
ns-34.awsdns-04.com points to: 2600:9000:5300:2200::1 and 205.251.192.34
ns-541.awsdns-03.net points to: 2600:9000:5302:1d00::1 and 205.251.194.29
ns-1342.awsdns-39.org points to: 2600:9000:5305:3e00::1 and 205.251.197.62
ns-1872.awsdns-42.co.uk points to: 2600:9000:5307:5000::1 and 205.251.199.80
Mail Servers
The mx.ym.163.com mail server handles portreader.com.
portreader.com shares the same mail server setup as other domains, including forwise.com, hzreal.cn, st-test.net, sceindustry.com and zanbaby.cn.
portreader.com shares at least partially some mail servers with other domains, for instance lnbest.com, topit.cn, nline.cn, cloudaiz.com and newsound.cn.
these mail servers are often used together with mx1.qiye.aliyun.com, mx2.qiye.aliyun.com and mx3.qiye.aliyun.com.
mx.ym.163.com points to a single IP number: 111.124.200.35.