sicoh.com - dns.ninja
sicoh.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 157.7.189.65🇯🇵 GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | users229.vip.heteml.jp | ||||||
| NS | dns0.heteml.jp ⭐ | ||||||
| A | 157.7.44.53🇯🇵 GMO-INTERNET157.7.40.0/21 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | dns510.heteml.jp | ||||||
| NS | dns1.heteml.jp | ||||||
| A | 157.7.188.149🇯🇵 GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | dns711.phy.heteml.jp | ||||||
| MX | mx.hetemail.jp ⭐ | ||||||
| A | 157.7.189.1🇯🇵 GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | mx.heteml.jp | ||||||
| TXT | v=spf1 include:_spf.heteml.jp ~all | ||||||
| SOA | dns0.heteml.jphostmaster@sicoh.com serial=1785490339 | ||||||
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=1785490192 | ||||||
Same first word
Similar names
DNS History
8 records (4 active, 4 former)
●NSdns0.heteml.jp2026-03-01 → 2026-07-31 · 3 obs
● 2026-03-01 06:49:06
● 2026-07-31 09:41:32
○NSdns01.gmoserver.jp2015-08-01 → 2017-04-01 · 4 obs
● 2017-04-01 12:47:48
○ 2026-03-01 06:49:06
○ 2026-07-31 09:41:32
○NSdns02.gmoserver.jp2015-08-01 → 2017-04-01 · 4 obs
● 2017-04-01 12:47:48
○ 2026-03-01 06:49:06
○ 2026-07-31 09:41:32
●NSdns1.heteml.jp2026-03-01 → 2026-07-31 · 3 obs
● 2026-03-01 06:49:06
● 2026-07-31 09:41:32
●MXmx.hetemail.jp2026-03-01 → 2026-07-31 · 3 obs
● 2026-03-01 06:49:06
● 2026-07-31 09:41:32
○MXmx5.gmoserver.jp2015-08-01 → 2017-04-01 · 4 obs
● 2017-04-01 12:47:48
○ 2026-03-01 06:49:06
○ 2026-07-31 09:41:32
●A157.7.189.652026-03-01 → 2026-07-31 · 3 obs
● 2026-03-01 06:49:06
● 2026-07-31 09:41:32
○A211.123.214.242015-08-01 → 2017-04-01 · 4 obs
● 2017-04-01 12:47:48
○ 2026-03-01 06:49:06
○ 2026-07-31 09:41:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | i.gtld-servers.net, b.gtld-servers.net, k.gtld-servers.net, l.gtld-servers.net... | - |
| sicoh.com | dns0.heteml.jp, dns1.heteml.jp | - |
✅ Authoritative Response
Server:157.7.188.149
NS records: dns0.heteml.jp, dns1.heteml.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sicoh.com (unsigned zone)
⏱️ Timing
Total: 955ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 157.7.189.65 |
| NS | 2 | dns0.heteml.jp, dns1.heteml.jp |
| MX | 1 | mx.hetemail.jp (pri: 10) |
| TXT | 1 | v=spf1 include:_spf.heteml.jp ~all |
| SOA | 1 | dns0.heteml.jp hostmaster.sicoh.com |
Analysis
IP Addresses
sicoh.com resolves to one IP address: 157.7.189.65.
mail.hirosue-dental.com, mx.sugita-clinic.or.jp, french-hairbrush.com and two other host names share IP numbers with sicoh.com.
Name Servers
Two name servers handle the delegation for sicoh.com: dns0.heteml.jp and dns1.heteml.jp.
sicoh.com uses the same name servers as several other domains — among them hpo-os.com, able-web.jp, ritefmonline.com and two more.
dns0.heteml.jp resolves to 157.7.44.53. dns1.heteml.jp resolves to 157.7.188.149. Both host names point to a single IP number.
Mail Servers
Mail for sicoh.com is handled by a single mail server, mx.hetemail.jp.
sicoh.com uses an identical mail server configuration to several other domains — among them y-dental.info, k-hrc.com, imamurakanpo.jp and two more.
sicoh.com partially shares its mail servers with other domains, sfumart.com and mongoliajapan.com being examples.
mx.hetemail.jp carries a single IP number, which is 157.7.189.1.