davidwolff.ca - robtex.com
davidwolff.ca
| DNSSEC | ⚠️ Not signed | ||||||
| A | 198.100.155.236🇨🇦 OVH198.100.144.0/20 Hosting route | ||||||
| PTR | davidwolff.ca | ||||||
| NS | ns1.systemdns.com ⭐ | ||||||
| A | 2604:4000:0:d:216:40:47:90🇨🇦 TUCOWS2604:4000::/48 -BRA-IPV6-BLK1.1/NET-2604:4000 | ||||||
| PTR | ns1.systemdns.com | ||||||
| A | 216.40.47.90🇨🇦 TUCOWS216.40.47.0/24 -BRA-BLK1.4/NET-216-40-47-0 | ||||||
| PTR | ns1.systemdns.com | ||||||
| NS | ns2.systemdns.com | ||||||
| A | 2604:4000:2800:d:64:99:148:16🇨🇦 TUCOWS-32604:4000:2800::/37 Tucows.com Co. | ||||||
| PTR | ns2.systemdns.com | ||||||
| A | 64.98.148.16🇨🇦 TUCOWS-364.98.144.0/20 Tucows.com Co. | ||||||
| PTR | ns2.systemdns.com | ||||||
| NS | ns3.systemdns.com | ||||||
| A | 2604:4000:0:d:64:99:96:36🇨🇦 TUCOWS2604:4000::/48 -BRA-IPV6-BLK1.1/NET-2604:4000 | ||||||
| PTR | ns3.systemdns.com | ||||||
| A | 64.99.96.36🇨🇦 TUCOWS64.99.96.0/24 -BRA-BLK2.7.2 | ||||||
| PTR | ns3.systemdns.com | ||||||
| MX | davidwolff.ca ⭐ | ||||||
| A | 198.100.155.236🇨🇦 OVH198.100.144.0/20 Hosting route | ||||||
| PTR | davidwolff.ca | ||||||
| TXT | v=spf1 mx a ip4:198.100.155.236/32 ~all | ||||||
| SOA | ns1.systemdns.comhostmaster@systemdns.com serial=1739616886 | ||||||
ca
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | prd-czp-05.corp.cira.ca ⭐ | ||||||
| NS | any.ca-servers.ca | ||||||
| NS | c.ca-servers.ca | ||||||
| NS | d.ca-servers.ca | ||||||
| NS | j.ca-servers.ca | ||||||
| SOA | prd-czp-05.corp.cira.caadmin-dns@cira.ca serial=2603270630 | ||||||
PTR for
MX for
davidwolff.ca |
Same first word
davidwolff.ca |
DNS History
9 records (5 active, 4 former)
○NSns.davidwolff.ca2015-08-13 → 2016-05-24 · 4 obs
● 2016-05-24 04:36:30
○ 2020-02-03 11:10:46
○ 2026-03-27 07:05:30
●NSns1.systemdns.com2020-02-03 → 2026-03-27 · 3 obs
● 2020-02-03 11:10:46
● 2026-03-27 07:05:30
●NSns2.systemdns.com2020-02-03 → 2026-03-27 · 3 obs
● 2020-02-03 11:10:46
● 2026-03-27 07:05:30
●NSns3.systemdns.com2020-02-03 → 2026-03-27 · 3 obs
● 2020-02-03 11:10:46
● 2026-03-27 07:05:30
●MXdavidwolff.ca2020-02-03 → 2026-03-27 · 3 obs
● 2020-02-03 11:10:46
● 2026-03-27 07:05:30
○MXmail.davidwolff.ca2015-08-13 → 2016-03-23 · 4 obs
● 2016-03-23 00:08:32
○ 2020-02-03 11:10:46
○ 2026-03-27 07:05:30
○A144.217.93.1812020-02-03 → 2020-02-03 · 3 obs
● 2020-02-03 11:10:46
○ 2026-03-27 07:05:30
●A198.100.155.2362026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 07:05:30
○A72.22.94.732015-08-13 → 2016-03-23 · 4 obs
● 2016-03-23 00:08:32
○ 2020-02-03 11:10:46
○ 2026-03-27 07:05:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ca | d.ca-servers.ca, any.ca-servers.ca, c.ca-servers.ca, j.ca-servers.ca | - |
| davidwolff.ca | ns1.systemdns.com, ns3.systemdns.com, ns2.systemdns.com | - |
✅ Authoritative Response
Server:216.40.47.90
NS records: ns1.systemdns.com, ns3.systemdns.com, ns2.systemdns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for davidwolff.ca (unsigned zone)
⏱️ Timing
Total: 976ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 198.100.155.236 |
| NS | 3 | ns1.systemdns.com, ns2.systemdns.com... |
| MX | 1 | davidwolff.ca (pri: 0) |
| TXT | 1 | v=spf1 mx a ip4:198.100.155.236/32 ~all |
| SOA | 1 | ns1.systemdns.com hostmaster.systemdns.c |
Analysis
Mail Server Role
For davidwolff.ca, the mail server is davidwolff.ca.
IP Addresses
davidwolff.ca points to a single IP number: 198.100.155.236.
Name Servers
davidwolff.ca is delegated to three name servers: ns1.systemdns.com, ns2.systemdns.com and ns3.systemdns.com.
davidwolff.ca at least partially shares name servers with other domains, for instance aok.net, wenbackup.com, mandrys.de, iampersonnel.com and mat-th.com.
Host names with two IP numbers:
Host ns1.systemdns.com points to 2604:4000:0:d:216:40:47:90 and 216.40.47.90.
Host ns2.systemdns.com points to 2604:4000:2800:d:64:99:148:16 and 64.98.148.16.
Host ns3.systemdns.com points to 2604:4000:0:d:64:99:96:36 and 64.99.96.36.
Mail Servers
One mail server handles davidwolff.ca.
Host name davidwolff.ca points to IP address 198.100.155.236.