studmedlib.ru - robtex.com
studmedlib.ru
| DNSSEC | ⚠️ Not signed | ||||||
| A | 93.158.193.177🇷🇺 stackgroup93.158.193.0/24 | ||||||
| PTR | studentlibrary.ru | ||||||
| NS | a.ns.selectel.ru ⭐ | ||||||
| A | 2a00:ab00:800::2:53🇷🇺 SELECTEL2a00:ab00::/32 Selectel IPv6 | ||||||
| A | 188.68.203.1🇷🇺 SELECTEL188.68.203.0/24 Selectel Route Object | ||||||
| PTR | a.ns.selectel.ru | ||||||
| NS | b.ns.selectel.ru | ||||||
| A | 2a00:ab00:801::2:53🇷🇺 SELECTEL2a00:ab00::/32 Selectel IPv6 | ||||||
| A | 77.223.114.2🇷🇺 SELECTEL77.223.114.0/24 Selectel Route Object | ||||||
| PTR | b.ns.selectel.ru | ||||||
| NS | c.ns.selectel.ru | ||||||
| A | 2a00:ab00:802::2:53🇷🇺 SELECTEL2a00:ab00::/32 Selectel IPv6 | ||||||
| A | 188.68.203.3🇷🇺 SELECTEL188.68.203.0/24 Selectel Route Object | ||||||
| PTR | c.ns.selectel.ru | ||||||
| NS | d.ns.selectel.ru | ||||||
| A | 2a00:ab00:803::2:53🇷🇺 SELECTEL2a00:ab00::/32 Selectel IPv6 | ||||||
| A | 77.223.114.4🇷🇺 SELECTEL77.223.114.0/24 Selectel Route Object | ||||||
| PTR | d.ns.selectel.ru | ||||||
| MX | mail.studmedlib.ru ⭐ | ||||||
| A | 213.248.45.60🇷🇺 DINET-AS213.248.32.0/19 Digital Network JSC Moscow, Russia http://www.msm.ru aggregate prefix | ||||||
| PTR | geotar.ru | ||||||
| TXT | v=spf1 ip4:213.248.45.60 ip4:93.158.193.177 a mx ~all | ||||||
| SOA | a.ns.selectel.rusupport@selectel.ru 2024-12-05 #19 | ||||||
ru
| 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=4068642 | ||||||
Subdomains
mail.studmedlib.ru |
Same first word
studmedlib.kz |
studmedlib.ru |
DNS History
10 records (6 active, 4 former)
●NSa.ns.selectel.ru2026-02-20 → 2026-04-25 · 3 obs
● 2026-02-20 00:54:46
● 2026-04-25 09:38:50
●NSb.ns.selectel.ru2026-02-20 → 2026-04-25 · 3 obs
● 2026-02-20 00:54:46
● 2026-04-25 09:38:50
●NSc.ns.selectel.ru2026-02-20 → 2026-04-25 · 3 obs
● 2026-02-20 00:54:46
● 2026-04-25 09:38:50
●NSd.ns.selectel.ru2026-02-20 → 2026-04-25 · 3 obs
● 2026-02-20 00:54:46
● 2026-04-25 09:38:50
○NSns1.rosmedlib.ru2015-06-03 → 2016-09-14 · 4 obs
● 2016-09-14 18:27:32
○ 2026-02-20 00:54:46
○ 2026-04-25 09:38:50
○NSns2.rosmedlib.ru2015-06-03 → 2016-09-14 · 4 obs
● 2016-09-14 18:27:32
○ 2026-02-20 00:54:46
○ 2026-04-25 09:38:50
●MXmail.studmedlib.ru2015-06-03 → 2026-04-25 · 2 obs
● 2026-04-25 09:38:50
○A185.12.29.2442015-10-24 → 2016-01-04 · 5 obs
● 2015-10-24 03:45:24
● 2016-01-04 06:35:40
○ 2016-04-06 04:41:08
○ 2026-04-25 09:38:50
○A91.205.84.292015-06-03 → 2015-06-03 · 3 obs
○ 2015-10-24 03:45:24
○ 2026-04-25 09:38:50
●A93.158.193.1772016-04-06 → 2026-04-25 · 3 obs
● 2016-04-06 04:41:08
● 2026-04-25 09:38:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | f.dns.ripn.net, e.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net... | - |
| studmedlib.ru | b.ns.selectel.ru, c.ns.selectel.ru, d.ns.selectel.ru, a.ns.selectel.ru | 8 records |
✅ Authoritative Response
Server:77.223.114.4
NS records: b.ns.selectel.ru, c.ns.selectel.ru, d.ns.selectel.ru, a.ns.selectel.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for studmedlib.ru (unsigned zone)
⏱️ Timing
Total: 864ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 93.158.193.177 |
| NS | 4 | a.ns.selectel.ru, b.ns.selectel.ru... |
| MX | 1 | mail.studmedlib.ru (pri: 10) |
| TXT | 1 | v=spf1 ip4:213.248.45.60 ip4:93.158.193. |
| SOA | 1 | a.ns.selectel.ru support.selectel.ru |
📌 Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (d.ns.selectel.ru, c.ns.selectel.ru, b.ns.selectel.ru...)
Analysis
Hierarchy
The parent of mail.studmedlib.ru is studmedlib.ru.
IP Addresses
studmedlib.ru points to a single IP number: 93.158.193.177.
Other host names, for instance medcollegelib.ru, bibliomed.ru and upzdrav.ru share IP numbers with studmedlib.ru.
Name Servers
studmedlib.ru is delegated to four name servers: a.ns.selectel.ru, b.ns.selectel.ru, c.ns.selectel.ru and d.ns.selectel.ru.
studmedlib.ru shares name servers with other domains at least partially, for instance chudovar.ru, pr-webtech.com, home-mts.ru, moe-kursk.ru and sanrelax.ru.
Host names with two IP numbers:
a.ns.selectel.ru resolves to 2a00:ab00:800::2:53 and 188.68.203.1.
b.ns.selectel.ru resolves to 2a00:ab00:801::2:53 and 77.223.114.2.
c.ns.selectel.ru resolves to 2a00:ab00:802::2:53 and 188.68.203.3.
d.ns.selectel.ru resolves to 2a00:ab00:803::2:53 and 77.223.114.4.
Mail Servers
The mail server for studmedlib.ru is mail.studmedlib.ru.
Host name mail.studmedlib.ru resolves to IP 213.248.45.60.