portfomix.com - robtex.com
portfomix.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 91.122.60.130🇷🇺 ROSTELECOM-AS91.122.0.0/17 Rostelecom networks | ||||||
| PTR | portfomix.com | ||||||
| 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.portfomix.com ⭐ | ||||||
| A | 91.122.60.130🇷🇺 ROSTELECOM-AS91.122.0.0/17 Rostelecom networks | ||||||
| PTR | portfomix.com | ||||||
| TXT | v=spf1 redirect=_spf.portfomix.com ip4:91.122.60.130 ~all | ||||||
| SOA | a.ns.selectel.rusupport@selectel.ru 2025-04-05 #1 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1774538762 | ||||||
PTR for
Subdomains
mail.portfomix.com |
Same first word
portfomix.com |
Similar names
DNS History
14 records (6 active, 8 former)
●NSa.ns.selectel.ru2026-02-26 → 2026-03-26 · 3 obs
● 2026-02-26 10:16:10
● 2026-03-26 15:51:16
●NSb.ns.selectel.ru2026-02-26 → 2026-03-26 · 3 obs
● 2026-02-26 10:16:10
● 2026-03-26 15:51:16
●NSc.ns.selectel.ru2026-02-26 → 2026-03-26 · 3 obs
● 2026-02-26 10:16:10
● 2026-03-26 15:51:16
●NSd.ns.selectel.ru2026-02-26 → 2026-03-26 · 3 obs
● 2026-02-26 10:16:10
● 2026-03-26 15:51:16
○NSns1.netfox.ru2016-12-14 → 2017-08-08 · 4 obs
● 2017-08-08 10:47:24
○ 2026-02-26 10:16:10
○ 2026-03-26 15:51:16
○NSns2.netfox.ru2016-12-14 → 2017-08-08 · 4 obs
● 2017-08-08 10:47:24
○ 2026-02-26 10:16:10
○ 2026-03-26 15:51:16
○NSns2.usedns.com2016-12-14 → 2017-08-08 · 4 obs
● 2017-08-08 10:47:24
○ 2026-02-26 10:16:10
○ 2026-03-26 15:51:16
○NSns3.netfox.ru2016-12-14 → 2017-08-08 · 4 obs
● 2017-08-08 10:47:24
○ 2026-02-26 10:16:10
○ 2026-03-26 15:51:16
●MXmail.portfomix.com2026-02-26 → 2026-03-26 · 3 obs
● 2026-02-26 10:16:10
● 2026-03-26 15:51:16
○MXnot-mail.portfomix.com2017-08-08 → 2017-08-08 · 4 obs
● 2017-08-08 10:47:24
○ 2026-02-26 10:16:10
○ 2026-03-26 15:51:16
○MXpop.portfomix.com2016-12-14 → 2016-12-14 · 3 obs
○ 2017-08-08 10:47:24
○ 2026-03-26 15:51:16
○A195.114.2.2002017-08-08 → 2017-08-08 · 4 obs
● 2017-08-08 10:47:24
○ 2026-02-26 10:16:10
○ 2026-03-26 15:51:16
○A195.114.2.352016-12-14 → 2016-12-14 · 3 obs
○ 2017-08-08 10:47:24
○ 2026-03-26 15:51:16
●A91.122.60.1302026-02-26 → 2026-03-26 · 3 obs
● 2026-02-26 10:16:10
● 2026-03-26 15:51:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| portfomix.com | a.ns.selectel.ru, b.ns.selectel.ru, c.ns.selectel.ru, d.ns.selectel.ru | - |
✅ Authoritative Response
Server:188.68.203.1
NS records: a.ns.selectel.ru, b.ns.selectel.ru, c.ns.selectel.ru, d.ns.selectel.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for portfomix.com (unsigned zone)
⏱️ Timing
Total: 829ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 91.122.60.130 |
| NS | 4 | c.ns.selectel.ru, b.ns.selectel.ru... |
| MX | 1 | mail.portfomix.com (pri: 10) |
| TXT | 1 | v=spf1 redirect=_spf.portfomix.com ip4:9 |
| SOA | 1 | a.ns.selectel.ru support.selectel.ru |
Analysis
Hierarchy
The parent of mail.portfomix.com is portfomix.com.
IP Addresses
portfomix.com points to a single IP: 91.122.60.130.
Other host names, such as mail.portfomix.com, share IP numbers with portfomix.com.
Name Servers
portfomix.com's delegation is handled by four name servers: a.ns.selectel.ru, b.ns.selectel.ru, c.ns.selectel.ru and d.ns.selectel.ru.
portfomix.com partially shares name servers with other domains; examples include ulweb.ru, study-free.ru, 5systems.ru, taxo36.ru and dgbprk.ru.
These name servers are often used with the name servers ns3-l2.nic.ru and ns4-l2.nic.ru.
Host names with two IPs:
a.ns.selectel.ru points to 2a00:ab00:800::2:53 and 188.68.203.1
b.ns.selectel.ru points to 2a00:ab00:801::2:53 and 77.223.114.2
c.ns.selectel.ru points to 2a00:ab00:802::2:53 and 188.68.203.3
d.ns.selectel.ru points to 2a00:ab00:803::2:53 and 77.223.114.4
Mail Servers
portfomix.com is handled by a single mail server, mail.portfomix.com.
mail.portfomix.com points to a single IP: 91.122.60.130.