certtec.com - dns.ninja
certtec.com
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=1786006764 | ||||||
Previously NS for
certtec.com |
Previously MX for
certtec.com |
Same first word
Similar names
DNS History
11 records (8 active, 3 former)
○NScerttec.com2015-05-30 → 2017-06-24 · 4 obs
● 2017-06-24 19:57:48
○ 2026-04-05 02:23:52
○ 2026-08-06 09:28:40
●NSns73.domaincontrol.com2026-04-05 → 2026-08-06 · 3 obs
● 2026-04-05 02:23:52
● 2026-08-06 09:28:40
●NSns74.domaincontrol.com2026-04-05 → 2026-08-06 · 3 obs
● 2026-04-05 02:23:52
● 2026-08-06 09:28:40
●MXalt1.aspmx.l.google.com2026-04-05 → 2026-08-06 · 3 obs
● 2026-04-05 02:23:52
● 2026-08-06 09:28:40
●MXalt2.aspmx.l.google.com2026-04-05 → 2026-08-06 · 3 obs
● 2026-04-05 02:23:52
● 2026-08-06 09:28:40
●MXaspmx.l.google.com2026-04-05 → 2026-08-06 · 3 obs
● 2026-04-05 02:23:52
● 2026-08-06 09:28:40
●MXaspmx2.googlemail.com2026-04-05 → 2026-08-06 · 3 obs
● 2026-04-05 02:23:52
● 2026-08-06 09:28:40
●MXaspmx3.googlemail.com2026-04-05 → 2026-08-06 · 3 obs
● 2026-04-05 02:23:52
● 2026-08-06 09:28:40
○MXcerttec.com2015-05-30 → 2017-06-24 · 4 obs
● 2017-06-24 19:57:48
○ 2026-04-05 02:23:52
○ 2026-08-06 09:28:40
●A15.204.43.902026-04-05 → 2026-08-06 · 3 obs
● 2026-04-05 02:23:52
● 2026-08-06 09:28:40
○A72.21.22.1222015-05-30 → 2017-06-24 · 4 obs
● 2017-06-24 19:57:48
○ 2026-04-05 02:23:52
○ 2026-08-06 09:28:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | d.gtld-servers.net, h.gtld-servers.net, f.gtld-servers.net, a.gtld-servers.net... | - |
| certtec.com | ns73.domaincontrol.com, ns74.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:97.74.106.47
NS records: ns73.domaincontrol.com, ns74.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for certtec.com (unsigned zone)
⏱️ Timing
Total: 152ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 15.204.43.90 |
| NS | 2 | ns73.domaincontrol.com, ns74.domaincontrol.com |
| MX | 5 | aspmx.l.google.com (pri: 10), alt1.aspmx.l.google.com (pri: 20)... |
| TXT | 1 | google-site-verification=8yQVUoRewM_tizl |
| SOA | 1 | ns73.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns73.domaincontrol.com, ns73.domaincontrol.com, ns74.domaincontrol.com...)
Analysis
IP Addresses
certtec.com resolves to just one IP address, 15.204.43.90.
Two other host names, along with spacetec.org, spacetec.us and credentialtesting.com, also share IP numbers with certtec.com.
Name Servers
certtec.com has two authoritative name servers — ns73.domaincontrol.com and ns74.domaincontrol.com.
certtec.com shares its NS records with other domains, for example shoemo.com, mbtls.com, lucabruno.com and two others.
The name servers for certtec.com overlap at least partially with those of other domains — for example wfbll.com.
Both ns73.domaincontrol.com and ns74.domaincontrol.com have two IP addresses each. ns73.domaincontrol.com resolves to 97.74.106.47 and 2603:5:21a4::2f; ns74.domaincontrol.com resolves to 173.201.74.47 and 2603:5:22a4::2f.
Mail Servers
certtec.com has five mail servers, which are aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.
There is at least a partial MX overlap between certtec.com and other domains, including op.co.nz, ns500671.ns500731.ns500742.ns500731.ns500671.ns500704.ns500704.ns500731.ns500688.ns500688.ns500291.ns500666.lustychickser.com, ns500821.ns500794.ns500794.ns500841.ns500794.ns500821.ns500821.ns500821.ns500821.ns500794.ns500795.ns500794.ns500821.ns500821.ns500795.ns500790.ns500795.lustypartnersfinder.com and two others.
These mail servers tend to appear in combination with mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 others.
Host names that have two IP addresses:
aspmx2.googlemail.com resolves to 108.177.123.26 and 2800:3f0:4003:c0f::1b.
aspmx3.googlemail.com resolves to 172.253.116.27 and 2a00:1450:400b:c02::1a.
aspmx.l.google.com resolves to 64.233.180.26 and 2607:f8b0:4004:c09::1a.
alt1.aspmx.l.google.com resolves to 108.177.123.27 and 2800:3f0:4003:c0f::1a.
alt2.aspmx.l.google.com resolves to 172.253.116.26 and 2a00:1450:400b:c02::1a.
The host names aspmx3.googlemail.com and alt2.aspmx.l.google.com both resolve to 2a00:1450:400b:c02::1a IP addresses.