dfk01.net - robtex.com
dfk01.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 153.122.170.31🇯🇵 AS131921153.122.160.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
| PTR | whp31.poa.svr4u.net | ||||||
| NS | ns1.domainking.cloud ⭐ | ||||||
| A | 157.120.112.237🇯🇵 GMOHS-CL157.120.112.0/24 GMO GlobalSign Holdings K.K. | ||||||
| A | 157.120.113.237🇯🇵 GMOHS-CL157.120.113.0/24 GMO GlobalSign Holdings K.K. | ||||||
| A | 157.120.114.237🇯🇵 GMOHS-CL157.120.114.0/24 GMO GlobalSign Holdings K.K. | ||||||
| NS | ns2.domainking.cloud | ||||||
| A | 157.120.112.237🇯🇵 GMOHS-CL157.120.112.0/24 GMO GlobalSign Holdings K.K. | ||||||
| A | 157.120.113.237🇯🇵 GMOHS-CL157.120.113.0/24 GMO GlobalSign Holdings K.K. | ||||||
| A | 157.120.114.237🇯🇵 GMOHS-CL157.120.114.0/24 GMO GlobalSign Holdings K.K. | ||||||
| MX | mail.dfk01.net ⭐ | ||||||
| A | 153.122.170.31🇯🇵 AS131921153.122.160.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
| PTR | whp31.poa.svr4u.net | ||||||
| SOA | ns1.domainking.cloudroot@domainking.cloud serial=2737864254 | ||||||
net
| 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=1785507447 | ||||||
Subdomains
mail.dfk01.net |
Same first word
dfk01.net |
DNS History
8 records (4 active, 4 former)
●NSns1.domainking.cloud2026-02-16 → 2026-07-31 · 3 obs
● 2026-02-16 10:25:18
● 2026-07-31 14:23:20
○NSns1.hosting-sys.jp2015-07-06 → 2017-02-10 · 4 obs
● 2017-02-10 00:46:28
○ 2026-02-16 10:25:18
○ 2026-07-31 14:23:20
●NSns2.domainking.cloud2026-02-16 → 2026-07-31 · 3 obs
● 2026-02-16 10:25:18
● 2026-07-31 14:23:20
○NSns2.hosting-sys.jp2015-07-06 → 2017-02-10 · 4 obs
● 2017-02-10 00:46:28
○ 2026-02-16 10:25:18
○ 2026-07-31 14:23:20
●MXmail.dfk01.net2015-07-06 → 2026-07-31 · 2 obs
● 2026-07-31 14:23:20
○A121.119.187.1152016-06-17 → 2017-02-10 · 5 obs
● 2016-06-17 16:07:18
● 2017-02-10 00:46:28
○ 2026-02-16 10:25:18
○ 2026-07-31 14:23:20
●A153.122.170.312026-02-16 → 2026-07-31 · 3 obs
● 2026-02-16 10:25:18
● 2026-07-31 14:23:20
○A153.122.18.1752015-07-06 → 2016-02-27 · 4 obs
● 2016-02-27 08:58:00
○ 2016-06-17 16:07:18
○ 2026-07-31 14:23:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| dfk01.net | ns1.domainking.cloud, ns2.domainking.cloud | - |
✅ Authoritative Response
Server:157.120.112.237
NS records: ns1.domainking.cloud, ns2.domainking.cloud
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dfk01.net (unsigned zone)
⏱️ Timing
Total: 784ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 153.122.170.31 |
| NS | 2 | ns1.domainking.cloud, ns2.domainking.cloud |
| MX | 1 | mail.dfk01.net (pri: 10) |
| SOA | 1 | ns1.domainking.cloud root.domainking.clo |
Analysis
Hierarchy
dfk01.net serves as the parent of mail.dfk01.net.
IP Addresses
dfk01.net has exactly one IP address — 153.122.170.31.
mail.hana-mizuki.jp, mail.40cc.net, z40.org plus two other host names have IP numbers in common with dfk01.net.
Name Servers
dfk01.net is delegated to two name servers: ns1.domainking.cloud and ns2.domainking.cloud.
The name server configuration of dfk01.net is shared with other domains, for instance lic-c.jp, kubota-han.com, azesta.net and two others.
ns1.domainking.cloud and ns2.domainking.cloud each resolve to three IP addresses — 157.120.112.237, 157.120.113.237 and 157.120.114.237 — sharing the same set.
ns1.domainking.cloud and ns2.domainking.cloud are host names that each point to 157.120.112.237 IP addresses.
ns1.domainking.cloud and ns2.domainking.cloud are host names that each point to 157.120.113.237 IP addresses.
ns1.domainking.cloud and ns2.domainking.cloud are host names that each point to 157.120.114.237 IP addresses.
Mail Servers
dfk01.net uses one mail server — mail.dfk01.net.
mail.dfk01.net resolves to a single IP number: 153.122.170.31.