heartknight.com - robtex.com
heartknight.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 157.7.210.120🇯🇵 GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | heartknight.com | ||||||
| NS | 01.dnsv.jp ⭐ | ||||||
| A | 2400:8500:3300::53🇯🇵 GMO-DNS2400:8500:3300::/48 GMO Internet,inc. | ||||||
| PTR | 01.dnsv.jp | ||||||
| A | 157.7.32.53🇯🇵 GMO-DNS157.7.32.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 01.dnsv.jp | ||||||
| NS | 02.dnsv.jp | ||||||
| A | 157.7.33.53🇯🇵 GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 02.dnsv.jp | ||||||
| NS | 03.dnsv.jp | ||||||
| A | 2400:8500:3000::53🇯🇵 GMO-DNS2400:8500:3000::/48 GMO Internet,inc. | ||||||
| PTR | 03.dnsv.jp | ||||||
| A | 157.7.34.53🇯🇵 GMO-DNS157.7.34.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 03.dnsv.jp | ||||||
| NS | 04.dnsv.jp | ||||||
| A | 2400:8500:3fff::53🇯🇵 GMO-DNS2400:8500:3fff::/48 GMO Internet,inc. | ||||||
| PTR | 04.dnsv.jp | ||||||
| A | 157.7.35.53🇯🇵 GMO-DNS157.7.35.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 04.dnsv.jp | ||||||
| MX | heartknight.com ⭐ | ||||||
| A | 157.7.210.120🇯🇵 GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | heartknight.com | ||||||
| TXT | _globalsign-domain-verification=9rLIYcUiQvC4S0Om_IaIYuZIkF5g7mkpzEnpCnbJD8 | ||||||
| TXT | google-site-verification=7HzR_8js9omveIEfPzMsSnXcWoAJ818qcruUIzCeIXI | ||||||
| TXT | v=spf1 +ip4:157.7.210.120 -all | ||||||
| SOA | 01.dnsv.jphostmaster@dnsv.jp serial=1760069569 | ||||||
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=1776881422 | ||||||
PTR for
MX for
heartknight.com |
Same first word
heartknight.com |
Similar names
DNS History
9 records (6 active, 3 former)
○NSdns1.onamae.com2017-12-05 → 2017-12-05 · 2 obs
○ 2026-04-22 18:39:30
○NSdns2.onamae.com2017-12-05 → 2017-12-05 · 2 obs
○ 2026-04-22 18:39:30
●MXheartknight.com2026-04-22 → 2026-04-22 · 1 obs
○A150.95.255.382017-12-05 → 2017-12-05 · 2 obs
○ 2026-04-22 18:39:30
●A157.7.210.1202026-04-22 → 2026-04-22 · 2 obs
● 2026-04-22 18:39:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, a.gtld-servers.net, f.gtld-servers.net, b.gtld-servers.net... | - |
| heartknight.com | 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp | - |
✅ Authoritative Response
Server:157.7.35.53
NS records: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for heartknight.com (unsigned zone)
⏱️ Timing
Total: 1135ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 157.7.210.120 |
| NS | 4 | 01.dnsv.jp, 02.dnsv.jp... |
| MX | 1 | heartknight.com (pri: 10) |
| TXT | 3 | _globalsign-domain-verification=9rLIYcUi, google-site-verification=7HzR_8js9omveIE... |
| SOA | 1 | 01.dnsv.jp hostmaster.dnsv.jp |
Analysis
Mail Server Role
heartknight.com serves as the mail server for heartknight.com.
IP Addresses
heartknight.com points to a single IP address: 157.7.210.120.
Name Servers
heartknight.com is delegated to four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.
At least part of the name servers for heartknight.com are shared with other domains, for instance yk-mail.com, zfilme-hd1-l.site, suisavon.com, auck.co.jp and netlogistics.jp.
Two IP numbers per host:
01.dnsv.jp points to 2400:8500:3300::53 and 157.7.32.53.
03.dnsv.jp points to 2400:8500:3000::53 and 157.7.34.53.
04.dnsv.jp points to 2400:8500:3fff::53 and 157.7.35.53.
One IP number per host:
02.dnsv.jp points to 157.7.33.53.
Mail Servers
Mail for heartknight.com is handled by a single mail server, heartknight.com.
Host heartknight.com points to IP 157.7.210.120.