ptutor.com - dns.ninja
ptutor.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 91.195.241.232🇩🇪 SEDO91.195.240.0/23 -NET-PI | ||||||
| NS | sl1.sedo.com ⭐ | ||||||
| A | 91.195.240.173🇩🇪 SEDO91.195.240.0/23 -NET-PI | ||||||
| NS | sl2.sedo.com | ||||||
| A | 91.195.241.173🇩🇪 SEDO91.195.240.0/23 -NET-PI | ||||||
| MX | localhost ⭐ | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | sl1.sedo.comhostmaster@sedo.de 2018-05-16 #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=1781964125 | ||||||
Same first word
Similar names
DNS History
10 records (4 active, 6 former)
○NSns1.parkingcrew.net2015-06-06 → 2017-09-19 · 4 obs
● 2017-09-19 17:45:56
○ 2026-02-25 02:04:24
○ 2026-06-20 14:29:04
○NSns2.parkingcrew.net2015-06-06 → 2017-09-19 · 4 obs
● 2017-09-19 17:45:56
○ 2026-02-25 02:04:24
○ 2026-06-20 14:29:04
●NSsl1.sedo.com2026-02-25 → 2026-06-20 · 3 obs
● 2026-02-25 02:04:24
● 2026-06-20 14:29:04
●NSsl2.sedo.com2026-02-25 → 2026-06-20 · 3 obs
● 2026-02-25 02:04:24
● 2026-06-20 14:29:04
●MXlocalhost2026-02-25 → 2026-06-20 · 3 obs
● 2026-02-25 02:04:24
● 2026-06-20 14:29:04
○MXmail.h-email.net2015-06-06 → 2017-09-19 · 4 obs
● 2017-09-19 17:45:56
○ 2026-02-25 02:04:24
○ 2026-06-20 14:29:04
○A185.53.179.62017-09-05 → 2017-09-19 · 5 obs
● 2017-09-05 00:02:42
● 2017-09-19 17:45:56
○ 2026-02-25 02:04:24
○ 2026-06-20 14:29:04
○A185.53.179.92015-06-06 → 2016-07-25 · 4 obs
● 2016-07-25 00:44:10
○ 2017-09-05 00:02:42
○ 2026-06-20 14:29:04
○A54.72.9.512017-09-05 → 2017-09-19 · 5 obs
● 2017-09-05 00:02:42
● 2017-09-19 17:45:56
○ 2026-02-25 02:04:24
○ 2026-06-20 14:29:04
●A91.195.241.2322026-02-25 → 2026-06-20 · 3 obs
● 2026-02-25 02:04:24
● 2026-06-20 14:29:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, h.gtld-servers.net, c.gtld-servers.net, j.gtld-servers.net... | - |
| ptutor.com | sl1.sedo.com, sl2.sedo.com | 2 records |
✅ Authoritative Response
Server:91.195.241.173
NS records: sl1.sedo.com, sl2.sedo.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ptutor.com (unsigned zone)
⏱️ Timing
Total: 4622ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 91.195.241.232 |
| NS | 2 | sl2.sedo.com, sl1.sedo.com |
| MX | 1 | localhost (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | sl1.sedo.com hostmaster.sedo.de |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (sl1.sedo.com, sl2.sedo.com)
Analysis
IP Addresses
ptutor.com has exactly one IP address — 91.195.241.232.
mail.coolpage.de, sciencedaily.eu, mx.perso.free.frl plus two other host names have IP numbers in common with ptutor.com.
Name Servers
ptutor.com is delegated to two name servers: sl1.sedo.com and sl2.sedo.com.
The name server configuration of ptutor.com is shared with other domains, for instance 24-online.com, steuer-partner.de, technolabs.com and two others.
ptutor.com shares at least some of its name servers with other domains, such as ppbi.de.
These name servers often co-occur with the name servers ns1.sedoparking.com.
sl1.sedo.com resolves to 91.195.240.173. sl2.sedo.com resolves to 91.195.241.173. Both host names point to a single IP number.
Mail Servers
ptutor.com uses one mail server — localhost.
The mail server setup of ptutor.com matches that of other domains such as www.flamark.de.mk, boundarycommittee.org.uk, grandeur.fr and two others.