hostmaster.su - robtex.com
hostmaster.su
| DNSSEC | ⚠️ Not signed | ||||||
| A | 154.16.200.27🇺🇸 AS397423154.16.200.0/24 | ||||||
| PTR | ip-154-16-200-27.defastlink.net | ||||||
| NS | ns1.lev3.com ⭐ | ||||||
| A | 5.78.75.18 | ||||||
| NS | ns2.lev3.com | ||||||
| A | 104.131.69.186 | ||||||
| NS | ns3.lev3.com ⚠️ Not in parent delegation | ||||||
| A | 159.65.195.150DIGITALOCEAN159.65.192.0/20 DigitalOcean | ||||||
| MX | hostmaster.su ⭐ | ||||||
| A | 154.16.200.27🇺🇸 AS397423154.16.200.0/24 | ||||||
| PTR | ip-154-16-200-27.defastlink.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.comelk@lev3.com 2026-05-29 #2 | ||||||
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=650209308 | ||||||
MX for
hostmaster.su |
Same first word
Similar names
DNS History
8 records (5 active, 3 former)
●NSns3.lev3.com2026-02-21 → 2026-06-01 · 3 obs
● 2026-02-21 09:24:30
● 2026-06-01 00:14:04
●MXhostmaster.su2015-07-24 → 2026-06-01 · 2 obs
● 2026-06-01 00:14:04
○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
○ 2026-06-01 00:14:04
○A104.206.99.1582020-11-14 → 2020-11-14 · 4 obs
● 2020-11-14 05:21:58
○ 2026-02-21 09:24:30
○ 2026-06-01 00:14:04
●A154.16.200.272026-02-21 → 2026-06-01 · 3 obs
● 2026-02-21 09:24:30
● 2026-06-01 00:14:04
○A208.43.113.1882015-07-24 → 2015-07-24 · 3 obs
○ 2015-11-30 17:55:44
○ 2026-06-01 00:14:04
🔍 DNS Trace
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 ns1.lev3.com, ns2.lev3.com and ns3.lev3.com — three in total.
hostmaster.su has at least partial name server overlap with other domains, such as keemat.in, travelindia.in, slogold.net and two others.
It is common to find these name servers paired with the name servers ns1.zuerst.net, ns2.zuerst.net, ns1.inbutech.com and ns2.inbutech.com.
The hostnames ns1.lev3.com, ns2.lev3.com and ns3.lev3.com each resolve to a single IP: ns1.lev3.com → 5.78.75.18, ns2.lev3.com → 104.131.69.186, ns3.lev3.com → 159.65.195.150.
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.