idk.su - robtex.com
idk.su
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2001:470:7240::🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA | ||||||
| PTR | ipv6.cns.su | ||||||
| A | 88.198.54.22🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4 | ||||||
| NS | d.ns.cns.su ⭐ ⚠️ Not in parent delegation | ||||||
| A | 2001:470:7240::d🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA | ||||||
| PTR | d.ns.cns.su | ||||||
| A | 88.198.54.27🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4 | ||||||
| PTR | static.88-198-54-27.clients.your-server.de | ||||||
| NS | d.ns.idk.su ⚠️ Not in parent delegation | ||||||
| A | 2001:470:7240::d🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA | ||||||
| PTR | d.ns.cns.su | ||||||
| NS | fmt.ns.cns.su ⚠️ Not in zone NS records | ||||||
| NS | lon.ns.cns.su ⚠️ Not in zone NS records | ||||||
| A | 2001:470:7240::d🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA | ||||||
| PTR | d.ns.cns.su | ||||||
| A | 88.198.54.27🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4 | ||||||
| PTR | static.88-198-54-27.clients.your-server.de | ||||||
| MX | mx.cns.su ⭐ | ||||||
| A | 2001:470:7240::🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA | ||||||
| PTR | ipv6.cns.su | ||||||
| MX | a.mx.cns.su(10) | ||||||
| A | 88.198.54.22🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4 | ||||||
| PTR | static.88-198-54-22.clients.your-server.de | ||||||
| MX | idk.su(46) | ||||||
| A | 2001:470:7240::🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA | ||||||
| PTR | ipv6.cns.su | ||||||
| A | 88.198.54.22🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4 | ||||||
| PTR | static.88-198-54-22.clients.your-server.de | ||||||
| MX | s.mx.cns.su(99) | ||||||
| A | 88.198.54.27🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4 | ||||||
| PTR | static.88-198-54-27.clients.your-server.de | ||||||
| TXT | v=spf1 ip6:2001:470:7240::/48 ip4:88.198.54.22 ?ptr:mail.yandex.net -all | ||||||
| SOA | d.ns.cns.suroot@cns.su 2015-02-05 #0 | ||||||
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=650209034 | ||||||
MX for
idk.su |
Same first word
Similar names
DNS History
13 records (10 active, 3 former)
●NSd.ns.cns.su2026-02-15 → 2026-05-09 · 3 obs
● 2026-02-15 07:47:38
● 2026-05-09 07:41:42
●NSd.ns.idk.su2026-02-15 → 2026-05-09 · 3 obs
● 2026-02-15 07:47:38
● 2026-05-09 07:41:42
○NSdns1.yandex.ru2015-06-16 → 2015-06-16 · 3 obs
○ 2026-02-15 07:47:38
○ 2026-05-09 07:41:42
●NSfmt.ns.cns.su2026-02-15 → 2026-05-09 · 3 obs
● 2026-02-15 07:47:38
● 2026-05-09 07:41:42
●NSlon.ns.cns.su2026-02-15 → 2026-05-09 · 3 obs
● 2026-02-15 07:47:38
● 2026-05-09 07:41:42
●MXa.mx.cns.su2026-02-15 → 2026-05-09 · 3 obs
● 2026-02-15 07:47:38
● 2026-05-09 07:41:42
●MXidk.su2026-02-15 → 2026-05-09 · 3 obs
● 2026-02-15 07:47:38
● 2026-05-09 07:41:42
○MXmail.idk.su2015-06-16 → 2015-06-16 · 3 obs
○ 2026-02-15 07:47:38
○ 2026-05-09 07:41:42
●MXmx.cns.su2026-02-15 → 2026-05-09 · 3 obs
● 2026-02-15 07:47:38
● 2026-05-09 07:41:42
●MXs.mx.cns.su2026-02-15 → 2026-05-09 · 3 obs
● 2026-02-15 07:47:38
● 2026-05-09 07:41:42
●A2001:470:7240::2026-02-15 → 2026-05-09 · 3 obs
● 2026-02-15 07:47:38
● 2026-05-09 07:41:42
○A31.28.169.352015-06-16 → 2015-06-16 · 3 obs
○ 2026-02-15 07:47:38
○ 2026-05-09 07:41:42
●A88.198.54.222026-02-15 → 2026-05-09 · 3 obs
● 2026-02-15 07:47:38
● 2026-05-09 07:41:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| su | a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net... | - |
| idk.su | fmt.ns.cns.su, lon.ns.cns.su | - |
✅ Authoritative Response
Server:88.198.54.27
NS records: fmt.ns.cns.su, lon.ns.cns.su
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for idk.su (unsigned zone)
⏱️ Timing
Total: 1221ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 88.198.54.22 |
| AAAA | 1 | 2001:470:7240:: |
| NS | 2 | d.ns.cns.su, d.ns.idk.su |
| MX | 4 | mx.cns.su (pri: 6), a.mx.cns.su (pri: 10)... |
| TXT | 1 | v=spf1 ip6:2001:470:7240::/48 ip4:88.198 |
| SOA | 1 | d.ns.cns.su root.cns.su |
Analysis
Mail Server Role
idk.su serves as a mail server for idk.su.
mx.cns.su, a.mx.cns.su and s.mx.cns.su commonly serve as mail servers together with idk.su.
IP Addresses
idk.su points to two IP numbers: 2001:470:7240:: and 88.198.54.22.
Other host names, for instance a.mx.uxr.su, rtfm.su, mx.bgp.su, dxr.su and a.mx.lvm.su share IP numbers with idk.su.
Name Servers
idk.su is delegated to four name servers: d.ns.cns.su, fmt.ns.cns.su, lon.ns.cns.su and d.ns.idk.su.
idk.su at least partially shares its name servers with other domains, for instance mdoc.su, lvm.su, constantine.su, w-w.su and bmi.su.
These name servers are commonly used with ns2.linode.com, ns4.linode.com, ns5.linode.com, ns2.he.net, ns4.he.net, ns5.he.net, ns3.he.net, any.ns.cns.su, d.ns.cnst.su and d.ns.netbsd.su.
Two-IP host names: d.ns.cns.su and lon.ns.cns.su point to 2001:470:7240::d and 88.198.54.27.
One-IP host name: d.ns.idk.su points to 2001:470:7240::d.
Host names that point to 2001:470:7240::d: d.ns.cns.su, lon.ns.cns.su and d.ns.idk.su.
Host names that point to 88.198.54.27: d.ns.cns.su and lon.ns.cns.su.
Mail Servers
idk.su is served by four mail servers: idk.su, mx.cns.su, a.mx.cns.su and s.mx.cns.su.
idk.su shares some mail servers with other domains, including lady.su, 0k.su, freebsd.su, src.su and consult.su.
Host names with two IP numbers:
The host name idk.su points to: 2001:470:7240:: and 88.198.54.22.
Host names with one IP number:
The host name mx.cns.su points to: 2001:470:7240::.
The host name a.mx.cns.su points to: 88.198.54.22.
The host name s.mx.cns.su points to: 88.198.54.27.
Host names that point to 2001:470:7240::: idk.su and mx.cns.su.
Host names that point to 88.198.54.22: idk.su and a.mx.cns.su.