jk309.com - robtex.com
jk309.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 156.245.248.159🇭🇰 HKCLOUDX156.245.248.0/24 HK UNITE TELECOMMUNICATIONS DEVELOPMENT LIMITED | ||||||
| NS | ns1.julydns.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 47.97.51.45🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD | ||||||
| NS | ns1.jmdns.com ⚠️ Not in zone NS records | ||||||
| A | 47.98.128.203🇨🇳 Alibaba-Cloud47.98.0.0/15 Hangzhou Alibaba Advertising Co.,Ltd. | ||||||
| NS | ns2.jmdns.com ⚠️ Not in zone NS records | ||||||
| A | 162.159.27.251Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.julydns.com ⚠️ Not in parent delegation | ||||||
| A | 162.159.48.223Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| SOA | ns1.julydns.commaster@jmdns.com serial=1768473715 | ||||||
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=1775975732 | ||||||
Subdomains
mail.jk309.com |
Same first word
jk309.com |
Similar names
DNS History
14 records (5 active, 9 former)
○NSns1.alidns.com2020-02-05 → 2020-02-16 · 5 obs
● 2020-02-05 03:15:20
● 2020-02-16 13:57:26
○ 2026-04-12 05:23:42
○ 2026-04-12 06:52:12
●NSns1.jmdns.com2026-04-12 → 2026-04-12 · 3 obs
● 2026-04-12 05:23:42
● 2026-04-12 06:52:12
●NSns1.julydns.com2026-04-12 → 2026-04-12 · 3 obs
● 2026-04-12 05:23:42
● 2026-04-12 06:52:12
○NSns2.alidns.com2020-02-05 → 2020-02-16 · 5 obs
● 2020-02-05 03:15:20
● 2020-02-16 13:57:26
○ 2026-04-12 05:23:42
○ 2026-04-12 06:52:12
●NSns2.jmdns.com2026-04-12 → 2026-04-12 · 3 obs
● 2026-04-12 05:23:42
● 2026-04-12 06:52:12
●NSns2.julydns.com2026-04-12 → 2026-04-12 · 3 obs
● 2026-04-12 05:23:42
● 2026-04-12 06:52:12
○NSns5.gzidc.com2015-06-08 → 2018-09-23 · 4 obs
● 2018-09-23 02:17:52
○ 2020-02-05 03:15:20
○ 2026-04-12 06:52:12
○NSns6.gzidc.com2015-06-08 → 2018-09-23 · 4 obs
● 2018-09-23 02:17:52
○ 2020-02-05 03:15:20
○ 2026-04-12 06:52:12
○MXmail.jk309.com2015-06-08 → 2017-01-28 · 4 obs
● 2017-01-28 19:24:42
○ 2018-09-23 02:17:52
○ 2026-04-12 06:52:12
○MXmxbiz1.qq.com2018-09-23 → 2018-09-23 · 4 obs
● 2018-09-23 02:17:52
○ 2020-02-05 03:15:20
○ 2026-04-12 06:52:12
○MXmxbiz2.qq.com2018-09-23 → 2018-09-23 · 4 obs
● 2018-09-23 02:17:52
○ 2020-02-05 03:15:20
○ 2026-04-12 06:52:12
○A124.172.245.972015-06-08 → 2015-11-09 · 4 obs
● 2015-11-09 23:43:08
○ 2016-02-06 07:28:12
○ 2026-04-12 06:52:12
●A156.245.248.1592026-04-12 → 2026-04-12 · 3 obs
● 2026-04-12 05:23:42
● 2026-04-12 06:52:12
○A59.107.26.2212016-02-06 → 2018-09-23 · 5 obs
● 2016-02-06 07:28:12
● 2018-09-23 02:17:52
○ 2020-02-05 03:15:20
○ 2026-04-12 06:52:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| jk309.com | ns1.jmdns.com, ns2.jmdns.com | 2 records |
✅ Authoritative Response
Server:162.159.27.251
NS records: ns1.jmdns.com, ns2.jmdns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for jk309.com (unsigned zone)
⏱️ Timing
Total: 3185ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 156.245.248.159 |
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
| SOA | 1 | ns1.julydns.com master.jmdns.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.jmdns.com, ns2.jmdns.com)
Analysis
Hierarchy
jk309.com is the parent of mail.jk309.com.
IP Addresses
jk309.com resolves to a single IP: 156.245.248.159.
Other host names, for instance jhqa.cn, travelplanner.cn, tajx.cn, pwydt.com and szwyq.com share IP numbers with jk309.com.
Name Servers
jk309.com is delegated to four name servers: ns1.jmdns.com, ns2.jmdns.com, ns1.julydns.com and ns2.julydns.com.
jk309.com shares some name servers with other domains, for example dalianbj.com, xuyouxi.cn, tnzdh.com.cn, nbht.net.cn and bjdctx.com.
These name servers are commonly used together with ns1.judns.com and ns2.judns.com.
Host names with a single IP
ns1.jmdns.com resolves to 47.98.128.203
ns2.jmdns.com resolves to 162.159.27.251
ns1.julydns.com resolves to 47.97.51.45
ns2.julydns.com resolves to 162.159.48.223