ddf.su - dns.ninja
ddf.su
| DNSSEC | ⚠️ Not signed | ||||||
| NS | serov.ens.mail.ru ⭐ | ||||||
| A | 94.100.180.238🇷🇺 VK-AS94.100.176.0/20 Moscow region | ||||||
| PTR | ns1.ens.mail.ru | ||||||
| NS | tyumen.ens.mail.ru | ||||||
| A | 217.69.139.164🇷🇺 VK-AS217.69.128.0/20 Moscow region | ||||||
| MX | emx.mail.ru ⭐ | ||||||
| A | 94.100.180.180🇷🇺 VK-AS94.100.176.0/20 Moscow region | ||||||
| A | 217.69.139.180🇷🇺 VK-AS217.69.128.0/20 Moscow region | ||||||
| TXT | v=spf1 redirect=_spf.mail.ru | ||||||
| SOA | serov.ens.mail.rusupport@biz.mail.ru 2026-06-12 #21 | ||||||
su
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.ripn.net ⭐ | ||||||
| NS | b.dns.ripn.net | ||||||
| NS | c.tld-servers.ru | ||||||
| NS | d.dns.ripn.net | ||||||
| NS | e.dns.ripn.net | ||||||
| NS | f.dns.ripn.net | ||||||
| SOA | a.dns.ripn.nethostmaster@ripn.net serial=650210002 | ||||||
Same first word
Similar names
DNS History
8 records (3 active, 5 former)
○NSdns1.yandex.net2017-11-25 → 2019-06-06 · 4 obs
● 2019-06-06 18:32:18
○ 2026-02-28 13:21:10
○ 2026-07-28 16:38:14
○NSdns2.yandex.net2017-11-25 → 2019-06-06 · 4 obs
● 2019-06-06 18:32:18
○ 2026-02-28 13:21:10
○ 2026-07-28 16:38:14
○NSns1.reg.ru2026-02-28 → 2026-06-12 · 5 obs
● 2026-02-28 13:21:10
● 2026-06-12 08:03:34
○ 2026-06-19 17:49:24
○ 2026-07-28 16:38:14
○NSns2.reg.ru2026-02-28 → 2026-06-12 · 5 obs
● 2026-02-28 13:21:10
● 2026-06-12 08:03:34
○ 2026-06-19 17:49:24
○ 2026-07-28 16:38:14
●NSserov.ens.mail.ru2026-06-19 → 2026-07-28 · 3 obs
● 2026-06-19 17:49:24
● 2026-07-28 16:38:14
●NStyumen.ens.mail.ru2026-06-19 → 2026-07-28 · 3 obs
● 2026-06-19 17:49:24
● 2026-07-28 16:38:14
●MXemx.mail.ru2026-02-28 → 2026-07-28 · 7 obs
● 2026-02-28 13:21:10
● 2026-05-09 15:35:18
○ 2026-06-11 14:56:08
○ 2026-06-12 08:03:34
● 2026-06-19 17:49:24
● 2026-07-28 16:38:14
○MXmx.yandex.net2017-11-25 → 2019-06-06 · 4 obs
● 2019-06-06 18:32:18
○ 2026-02-28 13:21:10
○ 2026-07-28 16:38:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| su | f.dns.ripn.net, c.tld-servers.ru, d.dns.ripn.net, a.dns.ripn.net... | 12 records |
| ddf.su | serov.ens.mail.ru, tyumen.ens.mail.ru | - |
✅ Authoritative Response
Server:217.69.139.164
NS records: serov.ens.mail.ru, tyumen.ens.mail.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ddf.su (unsigned zone)
⏱️ Timing
Total: 1456ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | tyumen.ens.mail.ru, serov.ens.mail.ru |
| MX | 1 | emx.mail.ru (pri: 10) |
| TXT | 1 | v=spf1 redirect=_spf.mail.ru |
| SOA | 1 | serov.ens.mail.ru support.biz.mail.ru |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (f.dns.ripn.net, e.dns.ripn.net, d.dns.ripn.net...)
Analysis
Name Servers
Two name servers handle the delegation for ddf.su: serov.ens.mail.ru and tyumen.ens.mail.ru.
ddf.su shares its name server setup with other domains, including mz24.ru, telzen.com, ifertikow.ru and two others.
There is at least partial name server overlap between ddf.su and other domains — computergrand-it.ru, bti.e-burg.ru, eprib.ru and two more among them.
These name servers regularly appear alongside kazan.ens.mail.ru, kolomna.ens.mail.ru, ulan-ude.ens.mail.ru and 7 other name servers in NS record sets.
serov.ens.mail.ru → 94.100.180.238 and tyumen.ens.mail.ru → 217.69.139.164: one IP number per host name.
Mail Servers
ddf.su has one mail server: emx.mail.ru.
ddf.su shares the same mail server setup as other domains, including batareyka-shop.ru, mozaikgroup.com, numeria.ru and two others.
Some mail servers of ddf.su are also used by other domains, notably igriigri.ru and approf.ru.
emx.mail.ru carries two IP numbers: 94.100.180.180 and 217.69.139.180.