www.str.ac - robtex.com
www.str.ac
str.ac
| DNSSEC | ⚠️ Not signed | ||||||
| A | 112.78.112.107🇯🇵 SAKURA-C112.78.112.0/20 (4/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| NS | 01.dnsv.jp ⭐ | ||||||
| NS | 02.dnsv.jp | ||||||
| NS | 03.dnsv.jp ⚠️ Not in parent delegation | ||||||
| NS | 04.dnsv.jp ⚠️ Not in parent delegation | ||||||
| MX | aspmx.l.google.com ⭐ | ||||||
| MX | alt1.aspmx.l.google.com(20) | ||||||
| MX | alt2.aspmx.l.google.com(20) | ||||||
| MX | aspmx2.googlemail.com(30) | ||||||
| MX | aspmx3.googlemail.com(30) | ||||||
| MX | aspmx4.googlemail.com(30) | ||||||
| MX | aspmx5.googlemail.com(30) | ||||||
| SOA | 01.dnsv.jphostmaster@dnsv.jp serial=1600649643 | ||||||
Same first word
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DNS History
1 record (1 active, 0 former)
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ac | c0.nic.ac, a2.nic.ac, b0.nic.ac, a0.nic.ac | 8 records |
| str.ac | 02.dnsv.jp, 01.dnsv.jp | - |
✅ Authoritative Response
Server:157.7.32.53
NS records: 02.dnsv.jp, 01.dnsv.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for str.ac (unsigned zone)
⏱️ Timing
Total: 1228ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| CNAME | 1 | str.ac |
📌 Glue Records Collected
Total: 8
In-bailiwick: 8 (c0.nic.ac, c0.nic.ac, a2.nic.ac...)
Analysis
IP Addresses
www.str.ac resolves to one IP number: 112.78.112.107.
other host names including www.itsybitsy.jp, tgolf.net, technopeer.jp, japan-infomation.com and firstcreate.sakura.ne.jp share IP numbers with www.str.ac.
Name Servers
www.str.ac is delegated to four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.
www.str.ac at least partially shares name servers with other domains, for instance albis-shop.jp, matsue-med.or.jp, jcaa.co.jp, muroto55.com and token-kenkyugakuen.com.
Host names with two IP numbers:
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.
Host names with one IP number:
02.dnsv.jp points to 157.7.33.53.
Mail Servers
www.str.ac is handled by seven mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com, aspmx5.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.
www.str.ac shares some mail servers with other domains, at least partially, for instance ns500724.ns500737.ns500599.ns500599.ns500599.ns500599.ns500599.ns500599.ns500737.ns500599.ns500697.ns500583.ns500682.ns500599.yummyflingsfinder.com, ns500671.ns500731.ns500731.ns500754.ns500731.ns500678.ns500671.ns500649.ns500131.lustychickser.com, ns500671.ns500742.ns500731.ns500731.ns500742.ns500742.ns500754.ns500649.ns500649.tenderladiesbz.com, ns500759.ns500758.ns500759.ns500698.ns500759.ns500736.ns500698.ns500576.ns500708.ns500708.trackreceptor.com and ns500841.ns500794.ns500821.ns500821.ns500794.ns500821.ns500794.ns500821.ns500821.ns500821.ns500790.ns500795.lustypartnersfinder.com.
These mail servers are commonly used alongside alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
Host names with two IP numbers:
Name aspmx2.googlemail.com points to 2800:3f0:4003:c0f::1a and 108.177.123.27.
Name aspmx3.googlemail.com points to 2607:f8b0:4023:3003::1a and 172.253.145.26.
Name aspmx4.googlemail.com points to 2a00:1450:4009:c0f::1b and 192.178.223.26.
Name aspmx5.googlemail.com points to 2a00:1450:400c:c00::1a and 173.194.76.26.
Name aspmx.l.google.com points to 2607:f8b0:4023:c06::1b and 142.250.101.27.
Name alt1.aspmx.l.google.com points to 2800:3f0:4003:c0f::1b and 108.177.123.27.
Name alt2.aspmx.l.google.com points to 2607:f8b0:4023:3003::1b and 172.253.145.27.
Names pointing to 108.177.123.27: aspmx2.googlemail.com and alt1.aspmx.l.google.com.