certprofs.com - robtex.com
certprofs.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 212.32.254.35🇳🇱 LEASEWEB-NL-AMS-01212.32.224.0/19 | ||||||
| NS | ns1.smtmdns.com ⭐ | ||||||
| A | 172.98.192.42🇺🇸 DACENTEC-1172.98.192.0/21 ARIN Allocation 6/17/2015 | ||||||
| NS | ns2.smtmdns.com | ||||||
| A | 95.211.134.248🇳🇱 LEASEWEB-NL-AMS-0195.211.0.0/16 LEASEWEB | ||||||
| SOA | ns1.smtmdns.comadmin@certprofs.com 2026-03-16 #2 | ||||||
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=1774400362 | ||||||
Same first word
certprofs.net |
certprofs.com |
DNS History
15 records (3 active, 12 former)
○NSns1.above.com2020-01-18 → 2020-01-18 · 4 obs
● 2020-01-18 05:15:00
○ 2026-03-25 01:03:34
○ 2026-03-25 01:03:36
●NSns1.smtmdns.com2026-03-25 → 2026-03-25 · 3 obs
● 2026-03-25 01:03:34
● 2026-03-25 01:03:36
○NSns2.above.com2020-01-18 → 2020-01-18 · 4 obs
● 2020-01-18 05:15:00
○ 2026-03-25 01:03:34
○ 2026-03-25 01:03:36
●NSns2.smtmdns.com2026-03-25 → 2026-03-25 · 3 obs
● 2026-03-25 01:03:34
● 2026-03-25 01:03:36
○NSns47.domaincontrol.com2015-07-02 → 2017-03-14 · 4 obs
● 2017-03-14 16:37:34
○ 2020-01-18 05:15:00
○ 2026-03-25 01:03:36
○NSns48.domaincontrol.com2015-07-02 → 2017-03-14 · 4 obs
● 2017-03-14 16:37:34
○ 2020-01-18 05:15:00
○ 2026-03-25 01:03:36
○MXcertprofs-com.mail.protection.outlook.com2015-11-17 → 2017-03-14 · 5 obs
● 2015-11-17 17:31:32
● 2017-03-14 16:37:34
○ 2020-01-18 05:15:00
○ 2026-03-25 01:03:36
○MXimperialm.com.inbound10.mxlogic.net2015-07-02 → 2015-07-02 · 3 obs
○ 2015-11-17 17:31:32
○ 2026-03-25 01:03:36
○MXimperialm.com.inbound10.mxlogicmx.net2015-07-02 → 2015-07-02 · 3 obs
○ 2015-11-17 17:31:32
○ 2026-03-25 01:03:36
○A103.224.182.2452020-01-18 → 2020-01-18 · 4 obs
● 2020-01-18 05:15:00
○ 2026-03-25 01:03:34
○ 2026-03-25 01:03:36
○A12.51.162.362016-07-06 → 2016-07-06 · 4 obs
● 2016-07-06 19:32:02
○ 2017-03-14 16:37:34
○ 2026-03-25 01:03:36
○A161.47.34.482017-03-14 → 2017-03-14 · 4 obs
● 2017-03-14 16:37:34
○ 2020-01-18 05:15:00
○ 2026-03-25 01:03:36
○A172.98.192.432026-03-25 → 2026-03-25 · 2 obs
○ 2026-03-25 01:03:36
●A212.32.254.352026-03-25 → 2026-03-25 · 3 obs
● 2026-03-25 01:03:34
● 2026-03-25 01:03:36
○A50.20.99.1322015-07-02 → 2016-03-01 · 4 obs
● 2016-03-01 17:42:48
○ 2016-07-06 19:32:02
○ 2026-03-25 01:03:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, k.gtld-servers.net, j.gtld-servers.net, e.gtld-servers.net... | - |
| certprofs.com | ns1.smtmdns.com, ns2.smtmdns.com | 2 records |
✅ Authoritative Response
Server:95.211.134.248
NS records: ns1.smtmdns.com, ns2.smtmdns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for certprofs.com (unsigned zone)
⏱️ Timing
Total: 986ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 172.98.192.43 |
| NS | 2 | ns1.smtmdns.com, ns2.smtmdns.com |
| SOA | 1 | ns1.smtmdns.com admin.certprofs.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.smtmdns.com, ns2.smtmdns.com)
Analysis
IP Addresses
certprofs.com points to a single IP address: 212.32.254.35.
Other host names such as gator880.mencawak.bolgspot.com, mazerunner.rootservers.org, mx50.mencawak.bolgspot.com, mpeb.org and hlss.org share IPs with certprofs.com.
Name Servers
Two name servers ns1.smtmdns.com and ns2.smtmdns.com handle the delegation for certprofs.com.
certprofs.com shares the same name server setup as other domains, for example htra.org, youbue.com, biscoop.nl, edfun.org and alieexpres.nl.
Host names with one IP number:
ns1.smtmdns.com points to 172.98.192.42; ns2.smtmdns.com points to 95.211.134.248.