open-port.com - robtex.com

open-port.com

DNSSEC⚠️ Not signed
A121.40.121.85🇨🇳 Alibaba-Cloud121.40.0.0/15
NSf1g1ns1.dnspod.net ⭐
A2402:4e00:1470:2::e🇨🇳 TENCENT-NET-AP2402:4e00:1400::/40
A1.12.0.4🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM
PTRip-1-12-0-4.defastlink.net
A1.14.119.35🇨🇳 TENCENT-NET-AP1.14.64.0/18
PTRip-1-14-119-35.defastlink.net
A111.13.13.35🇨🇳 CHINAMOBILE-CN111.13.0.0/16 CMI (Customer Route)
PTRip-111-13-13-35.defastlink.net
A117.135.128.235🇨🇳 CHINAMOBILE-CN117.135.128.0/24 CMI (Customer Route)
PTR(root)
A125.94.59.235🇨🇳 CHINANET-BACKBONE125.88.0.0/13 chinanet Guangdong network
PTRip-125-94-59-235.defastlink.net
A163.177.5.35🇨🇳 UNICOM-GuangZhou-IDC163.177.5.0/24
PTRip-163-177-5-35.defastlink.net
NSf1g1ns2.dnspod.net
A2402:4e00:111:fff::c🇨🇳 TENCENT-NET-AP2402:4e00::/35
A1.12.0.1🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM
PTRip-1-12-0-1.defastlink.net
A1.13.76.35🇨🇳 TENCENT-NET-AP1.13.64.0/18
PTRip-1-13-76-35.defastlink.net
A36.155.149.35🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)
PTRip-36-155-149-35.defastlink.net
A101.227.168.35🇨🇳 SHANGHAITELECOM101.227.168.0/23 SHIDC
PTRip-101-227-168-35.defastlink.net
A106.39.207.235🇨🇳 CHINA-1106.39.192.0/19 China Telecom Beijing Co. Ltd.
PTRip-106-39-207-235.defastlink.net
A111.206.98.235🇨🇳 CHINA169-BJ111.206.98.0/24
PTRip-111-206-98-235.defastlink.net
A220.196.136.35🇨🇳 UNICOM-SHFT-IDC220.196.136.0/24
PTRip-220-196-136-35.defastlink.net
SOAf1g1ns1.dnspod.netfreednsadmin@dnspod.com serial=1451296154

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1771291435

Same first word

open-port.com
open-port.de
open-port.net
open-port.ru

DNS History

3 records (3 active, 0 former)

20162017201820192020202120222023202420252026NSf1g1ns1.dnspod.netf1g1ns2.dnspod.netA121.40.121.85
●NSf1g1ns1.dnspod.net2015-08-07 → 2026-03-23 · 2 obs
● 2015-08-07 12:28:32
● 2026-03-23 01:36:58
●NSf1g1ns2.dnspod.net2015-08-07 → 2026-03-23 · 2 obs
● 2015-08-07 12:28:32
● 2026-03-23 01:36:58
●A121.40.121.852015-08-07 → 2026-03-23 · 2 obs
● 2015-08-07 12:28:32
● 2026-03-23 01:36:58

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
open-port.comf1g1ns1.dnspod.net, f1g1ns2.dnspod.net-

✅ Authoritative Response

Server:106.39.207.235

NS records: f1g1ns1.dnspod.net, f1g1ns2.dnspod.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for open-port.com (unsigned zone)

⏱️ Timing

Total: 3795ms | Queries: -

📄 Records

TypeCountSample Data
A1121.40.121.85
NS2f1g1ns1.dnspod.net, f1g1ns2.dnspod.net
SOA1f1g1ns1.dnspod.net freednsadmin.dnspod.c

Analysis

IP Addresses

open-port.com points to a single IP number: 121.40.121.85.

Other host names such as 561756.com and 561756.cn share IP numbers with open-port.com.

Name Servers

Delegation for open-port.com rests with two name servers, f1g1ns1.dnspod.net and f1g1ns2.dnspod.net.

open-port.com shares the same name server setup as other domains, including 53314.com, swut.cn, tool90.com, gcag.com.cn and zzibc.com.

open-port.com at least partially shares name servers with other domains, for instance qiandai.net, bot02cy.cfd, zgjinghong.com, nocodeup.host and johnrtc.xyz.

these name servers are commonly used with a.dnspod.com, b.dnspod.com and c.dnspod.com.

Host names with eight IP numbers:

f1g1ns2.dnspod.net points to: 2402:4e00:111:fff::c, 1.12.0.1, 1.13.76.35, 36.155.149.35, 101.227.168.35, 106.39.207.235, 111.206.98.235 and 220.196.136.35.

Host names with seven IP numbers:

f1g1ns1.dnspod.net points to: 2402:4e00:1470:2::e, 1.12.0.4, 1.14.119.35, 111.13.13.35, 117.135.128.235, 125.94.59.235 and 163.177.5.35.