hostmaster.su - dns.ninja
hostmaster.su
| DNSSEC | ⚠️ Not signed | ||||||
| A | 154.16.200.27🇺🇸 TIER-NET154.16.200.0/24 Tier.Net Technologies LLC | ||||||
| PTR | gw.elk.lev3.net | ||||||
| NS | ns1.lev3.net ⭐ | ||||||
| A | 5.78.75.18🇺🇸 HETZNER-CLOUD3-AS5.78.75.0/24 | ||||||
| PTR | ns1.lev3.net | ||||||
| NS | ns2.lev3.com ⚠️ Not in parent delegation | ||||||
| NS | ns3.lev3.net | ||||||
| A | 159.65.195.150🇳🇱 DIGITALOCEAN159.65.192.0/20 DigitalOcean | ||||||
| PTR | ns3.lev3.net | ||||||
| MX | hostmaster.su ⭐ | ||||||
| A | 154.16.200.27🇺🇸 TIER-NET154.16.200.0/24 Tier.Net Technologies LLC | ||||||
| PTR | gw.elk.lev3.net | ||||||
| TXT | v=spf1 ip4:154.16.200.70 ip4:154.16.200.25 ip4:104.249.63.226 +a +mx ~all | ||||||
| TXT | | ||||||
| SOA | ns1.lev3.netelk@lev3.com 2026-06-17 #4 | ||||||
su
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.ripn.net ⭐ | ||||||
| NS | b.dns.ripn.net | ||||||
| NS | d.dns.ripn.net | ||||||
| NS | e.dns.ripn.net | ||||||
| NS | f.dns.ripn.net | ||||||
| SOA | a.dns.ripn.nethostmaster@ripn.net serial=650209508 | ||||||
MX for
hostmaster.su |
Same first word
Similar names
DNS History
10 records (5 active, 5 former)
○NSns1.lev3.com2015-07-24 → 2026-06-06 · 4 obs
● 2026-06-06 07:54:34
○ 2026-06-13 13:08:54
○ 2026-06-17 12:43:10
●NSns1.lev3.net2026-06-13 → 2026-06-17 · 3 obs
● 2026-06-13 13:08:54
● 2026-06-17 12:43:10
○NSns3.lev3.com2026-02-21 → 2026-06-01 · 5 obs
● 2026-02-21 09:24:30
● 2026-06-01 00:14:08
○ 2026-06-06 07:54:34
○ 2026-06-17 12:43:10
●NSns3.lev3.net2026-06-13 → 2026-06-17 · 3 obs
● 2026-06-13 13:08:54
● 2026-06-17 12:43:10
●MXhostmaster.su2015-07-24 → 2026-06-17 · 5 obs
● 2026-06-01 00:14:08
○ 2026-06-06 07:54:34
● 2026-06-13 13:08:54
● 2026-06-17 12:43:10
○A104.206.96.192015-11-30 → 2017-05-22 · 5 obs
● 2015-11-30 17:55:44
● 2017-05-22 08:29:26
○ 2020-11-14 05:21:58
○ 2026-06-17 12:43:10
○A104.206.99.1582020-11-14 → 2020-11-14 · 4 obs
● 2020-11-14 05:21:58
○ 2026-02-21 09:24:30
○ 2026-06-17 12:43:10
●A154.16.200.272026-02-21 → 2026-06-17 · 6 obs
● 2026-02-21 09:24:30
● 2026-06-01 00:14:08
○ 2026-06-06 07:54:34
● 2026-06-13 13:08:54
● 2026-06-17 12:43:10
○A208.43.113.1882015-07-24 → 2015-07-24 · 3 obs
○ 2015-11-30 17:55:44
○ 2026-06-17 12:43:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| su | a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net... | 10 records |
| hostmaster.su | ns1.lev3.net, ns3.lev3.net | - |
✅ Authoritative Response
Server:5.78.75.18
NS records: ns1.lev3.net, ns3.lev3.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for hostmaster.su (unsigned zone)
⏱️ Timing
Total: 871ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 154.16.200.27 |
| NS | 3 | ns3.lev3.net, ns2.lev3.com... |
| MX | 1 | hostmaster.su (pri: 0) |
| TXT | 2 | v=spf1 ip4:154.16.200.70 ip4:154.16.200., |
| SOA | 1 | ns1.lev3.net elk.lev3.com |
📌 Glue Records Collected
Total: 10
Out-of-bailiwick: 10 (a.dns.ripn.net, a.dns.ripn.net, b.dns.ripn.net...)
Analysis
Mail Server Role
hostmaster.su handles its own mail, functioning as its own mail server.
IP Addresses
hostmaster.su resolves to just one IP address, 154.16.200.27.
Two other host names, along with awta.org, cpanel.contractorsthousandoaks.com and cpcontacts.airconditioningwoodlandhills.com, also share IP numbers with hostmaster.su.
Name Servers
DNS for hostmaster.su is handled by three authoritative name servers: ns2.lev3.com, ns1.lev3.net and ns3.lev3.net.
hostmaster.su shares at least some of its name servers with other domains, including keemat.in, travelindia.in, slogold.net and two others.
These name servers are frequently seen alongside the name servers ns1.lev3.com, ns3.lev3.com, ns1.zuerst.net and ns2.zuerst.net.
ns1.lev3.net and ns3.lev3.net each resolve to one IP number: ns1.lev3.net points to 5.78.75.18 and ns3.lev3.net points to 159.65.195.150.
Mail Servers
hostmaster.su is served by just one mail server: hostmaster.su.
hostmaster.su has exactly one IP number: 154.16.200.27.