mx.frontier.ac - robtex.com
mx.frontier.ac
| DNSSEC | ⚠️ Not signed | ||||||
| A | 160.251.229.93🇯🇵 GMOOSK-NET160.251.229.0/24 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | mx-07.gmoserver.jp | ||||||
frontier.ac
| DNSSEC | ⚠️ Not signed | ||||||
| A | 160.251.229.82🇯🇵 GMOOSK-NET160.251.229.0/24 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| NS | dns01.gmoserver.jp ⭐ | ||||||
| NS | dns02.gmoserver.jp | ||||||
| MX | mx.frontier.ac ⭐ | ||||||
| TXT | v=spf1 include:spf.gmoserver.jp ~all | ||||||
| SOA | dns01.gmoserver.jphostmaster@frontier.ac 2021-12-17 #4 | ||||||
MX for
Same first word
Similar names
DNS History
2 records (1 active, 1 former)
○A157.7.144.152015-05-10 → 2016-04-21 · 4 obs
● 2015-05-10 16:03:28
● 2016-04-21 06:56:04
○ 2026-02-16 17:13:50
○ 2026-08-07 08:38:52
● 2016-04-21 06:56:04
○ 2026-02-16 17:13:50
○ 2026-08-07 08:38:52
●A160.251.229.932026-02-16 → 2026-08-07 · 3 obs
○ 2016-04-21 06:56:04
● 2026-02-16 17:13:50
● 2026-08-07 08:38:52
● 2026-02-16 17:13:50
● 2026-08-07 08:38:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ac | a2.nic.ac, a0.nic.ac, c0.nic.ac, b0.nic.ac | 8 records |
| frontier.ac | dns01.gmoserver.jp, dns02.gmoserver.jp | - |
✅ Authoritative Response
Server:157.7.33.81
NS records: dns01.gmoserver.jp, dns02.gmoserver.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for frontier.ac (unsigned zone)
⏱️ Timing
Total: 2383ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 160.251.229.93 |
📌 Glue Records Collected
Total: 8
In-bailiwick: 8 (a0.nic.ac, a2.nic.ac, b0.nic.ac...)
Analysis
Mail Server Role
The mail server mx.frontier.ac processes email for frontier.ac.
IP Addresses
mx.frontier.ac resolves to just one IP address, 160.251.229.93.
Two other host names, along with mx.gladism.com, mx.hmmt-gff.com and mx.department.co.jp, also share IP numbers with mx.frontier.ac.