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.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 | | ||||||
| TXT | v=spf1 ip4:154.16.200.70 ip4:154.16.200.25 ip4:104.249.63.226 +a +mx ~all | ||||||
| SOA | ns1.lev3.netelk@lev3.com 2026-07-02 #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=650209688 | ||||||
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
○ 2026-07-02 11:22:04
●NSns1.lev3.net2026-06-13 → 2026-07-02 · 3 obs
● 2026-06-13 13:08:54
● 2026-07-02 11:22:04
○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
○ 2026-07-02 11:22:04
●NSns3.lev3.net2026-06-13 → 2026-07-02 · 3 obs
● 2026-06-13 13:08:54
● 2026-07-02 11:22:04
●MXhostmaster.su2015-07-24 → 2026-07-02 · 5 obs
● 2026-06-01 00:14:08
○ 2026-06-06 07:54:34
● 2026-06-13 13:08:54
● 2026-07-02 11:22:04
○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
○ 2026-07-02 11:22:04
○A104.206.99.1582020-11-14 → 2020-11-14 · 4 obs
● 2020-11-14 05:21:58
○ 2026-02-21 09:24:30
○ 2026-07-02 11:22:04
●A154.16.200.272026-02-21 → 2026-07-02 · 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
● 2026-07-02 11:22:04
○A208.43.113.1882015-07-24 → 2015-07-24 · 3 obs
○ 2015-11-30 17:55:44
○ 2026-07-02 11:22:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| su | e.dns.ripn.net, d.dns.ripn.net, a.dns.ripn.net, f.dns.ripn.net... | 10 records |
| hostmaster.su | ns1.lev3.net, ns3.lev3.net | - |
✅ Authoritative Response
Server:159.65.195.150
NS records: ns1.lev3.net, ns3.lev3.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for hostmaster.su (unsigned zone)
⏱️ Timing
Total: 2073ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 154.16.200.27 |
| NS | 3 | ns2.lev3.com, ns3.lev3.net... |
| 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 (f.dns.ripn.net, e.dns.ripn.net, d.dns.ripn.net...)
Analysis
Mail Server Role
hostmaster.su serves as a mail server for hostmaster.su.
IP Addresses
hostmaster.su has exactly one IP address — 154.16.200.27.
awta.org, cpanel.contractorsthousandoaks.com, cpcontacts.airconditioningwoodlandhills.com plus two other host names have IP numbers in common with hostmaster.su.
Name Servers
The authoritative name servers for hostmaster.su are ns2.lev3.com, ns1.lev3.net and ns3.lev3.net — three in total.
hostmaster.su has at least partial name server overlap with other domains, such as keemat.in, travelindia.in, optimizacija.org and two others.
It is common to find these name servers paired with the name servers ns1.lev3.com, ns3.lev3.com, ns1.zuerst.net and ns2.zuerst.net.
ns1.lev3.net directs to 5.78.75.18 and ns3.lev3.net directs to 159.65.195.150; each host name points to exactly one IP number.
Mail Servers
hostmaster.su uses exactly one mail server, which is hostmaster.su.
hostmaster.su directs to just one IP number, 154.16.200.27.