refsys.ru - dns.ninja
refsys.ru
| DNSSEC | ⚠️ Not signed | ||||||
| A | 37.143.11.11🇷🇺 EUROBYTE37.143.10.0/23 | ||||||
| PTR | vip-h6.ihc.ru | ||||||
| NS | ns1.ihc.ru ⭐ | ||||||
| A | 2a03:c980:beef:6002:46:254:23:52🇷🇺 EUROBYTE2a03:c980:beef::/48 | ||||||
| PTR | ns1.ihc.ru | ||||||
| A | 46.254.23.52🇷🇺 EUROBYTE46.254.23.0/24 | ||||||
| PTR | ns1.ihc.ru | ||||||
| NS | ns2.ihc.ru | ||||||
| A | 2001:41d0:1008:2c3b::1🇫🇷 OVH2001:41d0::/32 IPv6 | ||||||
| PTR | ns2.ihc.ru | ||||||
| A | 46.254.22.38🇷🇺 EUROBYTE46.254.22.0/24 | ||||||
| PTR | ns1.ihc.ru | ||||||
| A | 91.121.54.18🇫🇷 OVH91.121.0.0/16 ISP Paris, France | ||||||
| PTR | ns2.ihc.ru | ||||||
| MX | mail.refsys.ru ⭐ | ||||||
| A | 2a03:c980:dead:2a01:46:254:21:39🇷🇺 EUROBYTE2a03:c980:dead::/48 | ||||||
| PTR | vip-mail1.ihc.ru | ||||||
| A | 46.254.21.39🇷🇺 EUROBYTE46.254.20.0/23 | ||||||
| PTR | vip-mail1.ihc.ru | ||||||
| TXT | v=spf1 a mx ~all | ||||||
| SOA | ns1.ihc.ruinfo@ihc.ru 2019-05-17 #1 | ||||||
ru
| 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=4069951 | ||||||
Subdomains
mail.refsys.ru |
Same first word
Similar names
fyerss.in |
sysfer.com |
fyerss.com |
fresys.com |
fyerss.co.in |
fersys.nl |
fersys.com.ar |
sysref.blogspot.com |
sysref.com |
syfers.nl |
sysfer.com.br |
freyss.com |
sysfer.net.br |
DNS History
13 records (4 active, 9 former)
●NSns1.ihc.ru2026-02-16 → 2026-08-11 · 3 obs
● 2026-02-16 17:13:48
● 2026-08-11 17:59:04
○NSns1.poishi.com2015-08-20 → 2018-06-10 · 5 obs
● 2015-08-20 17:51:26
● 2018-06-10 22:00:28
○ 2026-02-16 17:13:48
○ 2026-08-11 17:59:04
○NSns1.q0.ru2008-12-09 → 2008-12-09 · 3 obs
○ 2015-08-20 17:51:26
○ 2026-08-11 17:59:04
●NSns2.ihc.ru2026-02-16 → 2026-08-11 · 3 obs
● 2026-02-16 17:13:48
● 2026-08-11 17:59:04
○NSns2.poishi.com2015-08-20 → 2018-06-10 · 5 obs
● 2015-08-20 17:51:26
● 2018-06-10 22:00:28
○ 2026-02-16 17:13:48
○ 2026-08-11 17:59:04
○NSns2.q0.ru2008-12-09 → 2008-12-09 · 3 obs
○ 2015-08-20 17:51:26
○ 2026-08-11 17:59:04
○NSns3.q0.ru2008-12-09 → 2008-12-09 · 3 obs
○ 2015-08-20 17:51:26
○ 2026-08-11 17:59:04
●MXmail.refsys.ru2026-02-16 → 2026-08-11 · 3 obs
● 2026-02-16 17:13:48
● 2026-08-11 17:59:04
○MXmx.qwarta.ru2008-12-09 → 2008-12-09 · 3 obs
○ 2015-08-20 17:51:26
○ 2026-08-11 17:59:04
○A127.0.0.992018-06-10 → 2018-06-10 · 4 obs
● 2018-06-10 22:00:28
○ 2026-02-16 17:13:48
○ 2026-08-11 17:59:04
●A37.143.11.112026-02-16 → 2026-08-11 · 3 obs
● 2026-02-16 17:13:48
● 2026-08-11 17:59:04
○A81.176.230.1182008-12-09 → 2008-12-09 · 3 obs
○ 2015-08-20 17:51:26
○ 2026-08-11 17:59:04
○A82.98.86.1632015-08-20 → 2017-01-14 · 5 obs
● 2015-08-20 17:51:26
● 2017-01-14 05:51:48
○ 2018-06-10 22:00:28
○ 2026-08-11 17:59:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net... | - |
| refsys.ru | ns2.ihc.ru, ns1.ihc.ru | 5 records |
✅ Authoritative Response
Server:46.254.22.38
NS records: ns2.ihc.ru, ns1.ihc.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for refsys.ru (unsigned zone)
⏱️ Timing
Total: 2858ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 37.143.11.11 |
| NS | 2 | ns2.ihc.ru, ns1.ihc.ru |
| MX | 1 | mail.refsys.ru (pri: 10) |
| TXT | 1 | v=spf1 a mx ~all |
| SOA | 1 | ns1.ihc.ru info.ihc.ru |
📌 Glue Records Collected
Total: 5
Out-of-bailiwick: 5 (ns2.ihc.ru, ns1.ihc.ru, ns2.ihc.ru...)
Analysis
Hierarchy
refsys.ru is the parent zone for mail.refsys.ru.
IP Addresses
refsys.ru has exactly one IP address — 37.143.11.11.
contact-me.ru, stranasantehniki.ru, partnerfinance.ru plus two other host names have IP numbers in common with refsys.ru.
Name Servers
refsys.ru has two authoritative name servers — ns1.ihc.ru and ns2.ihc.ru.
The name server configuration of refsys.ru is shared with other domains, for instance myusadba.ru, lgrm.ru, zaycev.org and two others.
Host names carrying three IP numbers:
ns2.ihc.ru resolves to 46.254.22.38, 91.121.54.18 and 2001:41d0:1008:2c3b::1.
Host names pointing to two IP addresses:
ns1.ihc.ru resolves to 46.254.23.52 and 2a03:c980:beef:6002:46:254:23:52.
Mail Servers
refsys.ru uses one mail server — mail.refsys.ru.
The host mail.refsys.ru resolves to 46.254.21.39 and 2a03:c980:dead:2a01:46:254:21:39 — two IP addresses.