sysadmin.su - dns.ninja
sysadmin.su
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=650209349 | ||||||
Same first word
Similar names
DNS History
15 records (8 active, 7 former)
○NSns.credo.ru2008-11-25 → 2008-11-25 · 3 obs
○ 2015-06-28 04:52:00
○ 2026-06-04 08:20:30
●NSns.masterhost.ru2015-06-28 → 2026-06-04 · 3 obs
● 2015-06-28 04:52:00
● 2026-06-04 08:20:30
●NSns1.masterhost.ru2015-06-28 → 2026-06-04 · 3 obs
● 2015-06-28 04:52:00
● 2026-06-04 08:20:30
○NSns2.credo.ru2008-11-25 → 2008-11-25 · 3 obs
○ 2015-06-28 04:52:00
○ 2026-06-04 08:20:30
●NSns2.masterhost.ru2015-06-28 → 2026-06-04 · 3 obs
● 2015-06-28 04:52:00
● 2026-06-04 08:20:30
●MXalt1.aspmx.l.google.com2008-11-25 → 2026-06-04 · 2 obs
● 2026-06-04 08:20:30
●MXalt2.aspmx.l.google.com2008-11-25 → 2026-06-04 · 2 obs
● 2026-06-04 08:20:30
●MXaspmx.l.google.com2008-11-25 → 2026-06-04 · 2 obs
● 2026-06-04 08:20:30
●MXaspmx2.googlemail.com2008-11-25 → 2026-06-04 · 2 obs
● 2026-06-04 08:20:30
●MXaspmx3.googlemail.com2008-11-25 → 2026-06-04 · 2 obs
● 2026-06-04 08:20:30
○MXaspmx4.googlemail.com2008-11-25 → 2008-11-25 · 3 obs
○ 2015-06-28 04:52:00
○ 2026-06-04 08:20:30
○MXaspmx5.googlemail.com2008-11-25 → 2008-11-25 · 3 obs
○ 2015-06-28 04:52:00
○ 2026-06-04 08:20:30
○A146.185.177.682015-06-28 → 2015-06-28 · 4 obs
● 2015-06-28 04:52:00
○ 2015-11-10 12:12:06
○ 2026-06-04 08:20:30
○A185.5.250.602015-11-10 → 2016-02-12 · 5 obs
● 2015-11-10 12:12:06
● 2016-02-12 06:12:34
○ 2016-11-08 19:52:10
○ 2026-06-04 08:20:30
○A84.23.45.1032008-11-25 → 2008-11-25 · 3 obs
○ 2015-06-28 04:52:00
○ 2026-06-04 08:20:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| su | b.dns.ripn.net, e.dns.ripn.net, a.dns.ripn.net, d.dns.ripn.net... | 10 records |
| sysadmin.su | ns.masterhost.ru, ns1.masterhost.ru, ns2.masterhost.ru | - |
✅ Authoritative Response
Server:90.156.137.50
NS records: ns.masterhost.ru, ns1.masterhost.ru, ns2.masterhost.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sysadmin.su (unsigned zone)
⏱️ Timing
Total: 1581ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | ns1.masterhost.ru, ns.masterhost.ru... |
| MX | 5 | ALT1.ASPMX.L.GOOGLE.COM (pri: 5), ALT2.ASPMX.L.GOOGLE.COM (pri: 5)... |
| SOA | 1 | ns1.masterhost.ru hostmaster.masterhost. |
📌 Glue Records Collected
Total: 10
Out-of-bailiwick: 10 (b.dns.ripn.net, b.dns.ripn.net, e.dns.ripn.net...)
Analysis
Name Servers
The authoritative name servers for sysadmin.su are ns1.masterhost.ru, ns2.masterhost.ru and ns.masterhost.ru — three in total.
sysadmin.su shares at least some of its name servers with other domains, including mplace.ru, erinetz.ru, joeglo.ru and two others.
ns1.masterhost.ru, ns2.masterhost.ru and ns.masterhost.ru all resolve to exactly two IP numbers apiece: ns1.masterhost.ru → 90.156.137.50 and 2a00:15f8:a000:11:1:1:1:53; ns2.masterhost.ru → 90.156.133.161 and 2a00:15f8:a000:12:1:1:2:53; ns.masterhost.ru → 90.156.136.116 and 2a00:15f8:a000:10:1:1:0:53.
Mail Servers
Mail for sysadmin.su is routed through 5 mail servers, including aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.
At least some of the mail servers used by sysadmin.su are shared with other domains: edword.co, ns500758.ns500758.ns500698.ns500758.ns500758.ns500736.ns500735.ns500698.ns500735.ns500576.ns500708.ns500708.ns500698.ns500619.trackreceptor.com, ns500768.ns500698.ns500758.ns500758.ns500698.ns500698.ns500698.ns500698.ns500698.ns500576.ns500576.ns500619.tracksymphony.com and two others among them.
It is common for these mail servers to be used in conjunction with mail servers alt2.aspmx.l.google.com, alt1.aspmx.l.google.com and alt3.aspmx.l.google.com, plus three others.
Host names pointing to two IP addresses:
aspmx2.googlemail.com directs traffic to 108.177.123.26 and 2800:3f0:4003:c0f::1a.
aspmx3.googlemail.com directs traffic to 172.253.116.27 and 2a00:1450:400b:c02::1b.
aspmx.l.google.com directs traffic to 192.178.223.26 and 2a00:1450:4009:c0f::1b.
alt1.aspmx.l.google.com directs traffic to 108.177.123.26 and 2800:3f0:4003:c0f::1a.
alt2.aspmx.l.google.com directs traffic to 172.253.116.26 and 2a00:1450:400b:c02::1b.
Both aspmx2.googlemail.com and alt1.aspmx.l.google.com resolve to 2800:3f0:4003:c0f::1a IP addresses each.
Both aspmx2.googlemail.com and alt1.aspmx.l.google.com resolve to 108.177.123.26 IP addresses each.
Both aspmx3.googlemail.com and alt2.aspmx.l.google.com resolve to 2a00:1450:400b:c02::1b IP addresses each.