semantic.su - robtex.com
semantic.su
| DNSSEC | ⚠️ Not signed | ||||||
| A | 87.242.71.127🇷🇺 MASTERHOST-AS87.242.68.0/22 | ||||||
| NS | ns1.semantic.su ⭐ | ||||||
| A | 185.49.108.3🇷🇺 SemanticNetwork185.49.108.0/24 Semantic AS route | ||||||
| PTR | ns1.semantic.su | ||||||
| NS | ns.semantic.su | ||||||
| A | 185.49.108.4🇷🇺 SemanticNetwork185.49.108.0/24 Semantic AS route | ||||||
| PTR | ns.semantic.su | ||||||
| MX | mail.semantic.su ⭐ | ||||||
| A | 185.49.108.7🇷🇺 SemanticNetwork185.49.108.0/24 Semantic AS route | ||||||
| PTR | mail.semantic.su | ||||||
| TXT | google-site-verification=b305_syRC0Mr6Os4J2uCuWTfgy9LcM-BWNUjIKRBAwA | ||||||
| TXT | v=spf1 +a +mx -all | ||||||
| SOA | ns.semantic.suabuse@semantic.su serial=1380551831 | ||||||
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=650209753 | ||||||
Subdomains
ns1.semantic.su |
ns.semantic.su |
www.semantic.su |
supportserver.semantic.su |
mail.semantic.su |
Same first word
Similar names
DNS History
9 records (4 active, 5 former)
○NSns.masterhost.ru2015-06-01 → 2017-07-26 · 4 obs
● 2017-07-26 06:38:38
○ 2026-02-18 20:16:40
○ 2026-07-07 21:21:00
●NSns.semantic.su2026-02-18 → 2026-07-07 · 3 obs
● 2026-02-18 20:16:40
● 2026-07-07 21:21:00
○NSns1.masterhost.ru2015-06-01 → 2017-07-26 · 4 obs
● 2017-07-26 06:38:38
○ 2026-02-18 20:16:40
○ 2026-07-07 21:21:00
●NSns1.semantic.su2026-02-18 → 2026-07-07 · 3 obs
● 2026-02-18 20:16:40
● 2026-07-07 21:21:00
○NSns2.masterhost.ru2015-06-01 → 2017-07-26 · 4 obs
● 2017-07-26 06:38:38
○ 2026-02-18 20:16:40
○ 2026-07-07 21:21:00
●MXmail.semantic.su2026-02-18 → 2026-07-07 · 3 obs
● 2026-02-18 20:16:40
● 2026-07-07 21:21:00
○MXmx4.masterhost.ru2015-06-01 → 2017-07-26 · 4 obs
● 2017-07-26 06:38:38
○ 2026-02-18 20:16:40
○ 2026-07-07 21:21:00
●A87.242.71.1272026-06-10 → 2026-07-07 · 3 obs
● 2026-06-10 02:46:08
● 2026-07-07 21:21:00
○A90.156.240.322015-06-01 → 2026-06-04 · 4 obs
● 2026-06-04 15:25:10
○ 2026-06-10 02:46:08
○ 2026-07-07 21:21:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| su | d.dns.ripn.net, f.dns.ripn.net, b.dns.ripn.net, a.dns.ripn.net... | 10 records |
| semantic.su | ns.semantic.su, ns1.semantic.su | 2 records |
✅ Authoritative Response
Server:185.49.109.4
NS records: ns.semantic.su, ns1.semantic.su
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for semantic.su (unsigned zone)
⏱️ Timing
Total: 724ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 87.242.71.127 |
| NS | 2 | ns.semantic.su, ns1.semantic.su |
| MX | 1 | mail.semantic.su (pri: 10) |
| TXT | 2 | google-site-verification=b305_syRC0Mr6Os, v=spf1 +a +mx -all |
| SOA | 1 | ns.semantic.su abuse.semantic.su |
📌 Glue Records Collected
Total: 12
In-bailiwick: 2 (ns.semantic.su, ns1.semantic.su)
Out-of-bailiwick: 10 (f.dns.ripn.net, e.dns.ripn.net, d.dns.ripn.net...)
Analysis
Hierarchy
ns1.semantic.su, ns.semantic.su, www.semantic.su, supportserver.semantic.su and mail.semantic.su are all subdomains of semantic.su.
IP Addresses
semantic.su points to a single IP number: 87.242.71.127.
Name Servers
semantic.su is served by two delegated name servers, ns1.semantic.su and ns.semantic.su.
semantic.su uses the same name servers as 108.49.185.in-addr.arpa, 109.49.185.in-addr.arpa, 110.49.185.in-addr.arpa and 111.49.185.in-addr.arpa, among others.
Both ns1.semantic.su and ns.semantic.su have a single IP address each — ns1.semantic.su resolves to 185.49.108.3 while ns.semantic.su resolves to 185.49.108.4.
Mail Servers
semantic.su has one mail server: mail.semantic.su.
There is one IP number for mail.semantic.su: 185.49.108.7.