hostmaster.su - robtex.com
hostmaster.su
| DNSSEC | ⚠️ Not signed | ||||||
| A | 154.16.200.27🇺🇸 TIER-NET154.16.200.0/24 Tier.Net Technologies LLC | ||||||
| PTR | gw.elk.lev3.com | ||||||
| NS | ns1.lev3.com ⭐ | ||||||
| A | 5.78.75.18🇺🇸 HETZNER-CLOUD3-AS5.78.75.0/24 | ||||||
| PTR | ns1.lev3.com | ||||||
| NS | ns2.lev3.com | ||||||
| A | 104.131.69.186🇺🇸 DIGITALOCEAN104.131.64.0/18 DigitalOcean | ||||||
| PTR | ns2.lev3.com | ||||||
| NS | ns3.lev3.com ⚠️ Not in parent delegation | ||||||
| A | 159.65.195.150🇳🇱 DIGITALOCEAN159.65.192.0/20 DigitalOcean | ||||||
| PTR | ns3.lev3.com | ||||||
| MX | hostmaster.su ⭐ | ||||||
| A | 154.16.200.27🇺🇸 TIER-NET154.16.200.0/24 Tier.Net Technologies LLC | ||||||
| PTR | gw.elk.lev3.com | ||||||
| TXT | | ||||||
| TXT | v=spf1 ip4:154.16.200.70 ip4:154.16.200.25 ip4:104.249.63.226 +a +mx ~all | ||||||
| SOA | ns1.lev3.comelk@lev3.com 2026-04-23 #3 | ||||||
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=650208844 | ||||||
MX for
hostmaster.su |
Same first word
Similar names
DNS History
8 records (5 active, 3 former)
●NSns3.lev3.com2026-02-21 → 2026-04-23 · 3 obs
● 2026-02-21 09:24:30
● 2026-04-23 11:21:44
●MXhostmaster.su2015-07-24 → 2026-04-23 · 2 obs
● 2026-04-23 11:21:44
○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
○ 2026-04-23 11:21:44
○A104.206.99.1582020-11-14 → 2020-11-14 · 4 obs
● 2020-11-14 05:21:58
○ 2026-02-21 09:24:30
○ 2026-04-23 11:21:44
●A154.16.200.272026-02-21 → 2026-04-23 · 3 obs
● 2026-02-21 09:24:30
● 2026-04-23 11:21:44
○A208.43.113.1882015-07-24 → 2015-07-24 · 3 obs
○ 2015-11-30 17:55:44
○ 2026-04-23 11:21:44
🔍 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 | ns2.lev3.com, ns1.lev3.com | - |
✅ Authoritative Response
Server:104.131.69.186
NS records: ns2.lev3.com, ns1.lev3.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for hostmaster.su (unsigned zone)
⏱️ Timing
Total: 813ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 154.16.200.27 |
| NS | 3 | ns3.lev3.com, ns1.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.com 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
For hostmaster.su, the mail server is hostmaster.su.
IP Addresses
hostmaster.su resolves to one IP number: 154.16.200.27.
other host names including awta.org, cpanel.contractorsthousandoaks.com, cpcontacts.airconditioningwoodlandhills.com, gw.wardmundy.com and witinvent.com share IP numbers with hostmaster.su.
Name Servers
hostmaster.su is delegated to three name servers ns1.lev3.com, ns2.lev3.com and ns3.lev3.com.
hostmaster.su at least partially shares name servers with other domains, for instance keemat.in, slogold.net, optimizacija.org, townhouse.in and stlboerboels.net.
these name servers are often used together with ns1.zuerst.net, ns2.zuerst.net, ns1.inbutech.com and ns2.inbutech.com.
Host names with one IP number: ns1.lev3.com points to 5.78.75.18; ns2.lev3.com points to 104.131.69.186; ns3.lev3.com points to 159.65.195.150.
Mail Servers
hostmaster.su is served by a single mail server, hostmaster.su.
hostmaster.su resolves to IP 154.16.200.27.