dufftech.com - dns.ninja
dufftech.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=1781420945 | ||||||
Subdomains
Same first word
DNS History
16 records (8 active, 8 former)
●NSdns101.register.com2026-03-28 → 2026-06-14 · 3 obs
● 2026-03-28 13:08:20
● 2026-06-14 07:32:12
●NSdns102.register.com2026-03-28 → 2026-06-14 · 3 obs
● 2026-03-28 13:08:20
● 2026-06-14 07:32:12
○NSdns105.b.register.com2015-05-30 → 2017-06-24 · 5 obs
● 2015-05-30 01:52:02
● 2017-06-24 08:06:36
○ 2026-03-28 13:08:20
○ 2026-06-14 07:32:12
○NSdns119.c.register.com2015-05-30 → 2017-06-24 · 5 obs
● 2015-05-30 01:52:02
● 2017-06-24 08:06:36
○ 2026-03-28 13:08:20
○ 2026-06-14 07:32:12
○NSdns191.a.register.com2015-05-30 → 2017-06-24 · 5 obs
● 2015-05-30 01:52:02
● 2017-06-24 08:06:36
○ 2026-03-28 13:08:20
○ 2026-06-14 07:32:12
○NSdns249.d.register.com2015-05-30 → 2017-06-24 · 5 obs
● 2015-05-30 01:52:02
● 2017-06-24 08:06:36
○ 2026-03-28 13:08:20
○ 2026-06-14 07:32:12
○NSns1.dufftech.com2007-08-14 → 2007-08-14 · 3 obs
○ 2015-05-30 01:52:02
○ 2026-06-14 07:32:12
●MXalt1.aspmx.l.google.com2015-05-30 → 2026-06-14 · 3 obs
● 2015-05-30 01:52:02
● 2026-06-14 07:32:12
●MXalt2.aspmx.l.google.com2015-05-30 → 2026-06-14 · 3 obs
● 2015-05-30 01:52:02
● 2026-06-14 07:32:12
●MXaspmx.l.google.com2015-05-30 → 2026-06-14 · 3 obs
● 2015-05-30 01:52:02
● 2026-06-14 07:32:12
●MXaspmx2.googlemail.com2015-05-30 → 2026-06-14 · 3 obs
● 2015-05-30 01:52:02
● 2026-06-14 07:32:12
●MXaspmx3.googlemail.com2015-05-30 → 2026-06-14 · 3 obs
● 2015-05-30 01:52:02
● 2026-06-14 07:32:12
○MXmail.dufftech.com2007-08-14 → 2007-08-14 · 3 obs
○ 2015-05-30 01:52:02
○ 2026-06-14 07:32:12
○MXmail.houseonbroadway.com2007-08-14 → 2007-08-14 · 3 obs
○ 2015-05-30 01:52:02
○ 2026-06-14 07:32:12
●A216.21.239.1972015-05-30 → 2026-06-14 · 6 obs
● 2015-05-30 01:52:02
● 2026-03-28 13:08:20
○ 2026-04-03 18:40:40
● 2026-04-13 19:53:24
● 2026-06-14 07:32:12
○A69.57.156.292007-08-14 → 2007-08-14 · 3 obs
○ 2015-05-30 01:52:02
○ 2026-06-14 07:32:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| dufftech.com | dns101.register.com, dns102.register.com | 2 records |
✅ Authoritative Response
Server:162.159.25.158
NS records: dns101.register.com, dns102.register.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dufftech.com (unsigned zone)
⏱️ Timing
Total: 222ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.21.239.197 |
| NS | 2 | dns102.register.com, dns101.register.com |
| MX | 5 | aspmx.l.google.com (pri: 0), alt2.aspmx.l.google.com (pri: 5)... |
| SOA | 1 | DNS101.REGISTER.com root.REGISTER.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (dns101.register.com, dns102.register.com)
Analysis
Hierarchy
mail.dufftech.com, ns1.dufftech.com and bigeats.dufftech.com each fall under the parent domain dufftech.com.
IP Addresses
dufftech.com resolves to just one IP address, 216.21.239.197.
Two other host names, along with alexsar.net, verdicity.co and delexios.com, also share IP numbers with dufftech.com.
Name Servers
Two name servers handle the delegation for dufftech.com: dns101.register.com and dns102.register.com.
dufftech.com shares its NS records with other domains, for example dahaninc.com, our-turn.net, eastoncoach.com and two others.
dns101.register.com resolves to 162.159.24.117. dns102.register.com resolves to 162.159.25.158. Both host names point to a single IP number.
Mail Servers
Mail for dufftech.com is handled by five mail servers, namely aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.
There is at least a partial MX overlap between dufftech.com and other domains, including ns500698.ns500698.ns500759.ns500759.ns500698.ns500708.ns500708.ns500708.ns500619.ns500615.tracksymphony.com, ns500731.ns500671.ns500754.ns500754.ns500754.ns500754.ns500742.ns500731.ns500671.ns500705.ns500671.ns500688.ns500649.ns500666.lustychickser.com, hetprinsenhof.be and two others.
These mail servers tend to appear in combination with mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt4.aspmx.l.google.com and 3 others.
Host names that have two IP addresses:
aspmx2.googlemail.com resolves to two addresses: 108.177.123.26 and 2800:3f0:4003:c0f::1b.
aspmx3.googlemail.com resolves to two addresses: 172.253.116.26 and 2a00:1450:400b:c02::1b.
aspmx.l.google.com resolves to two addresses: 172.253.62.26 and 2607:f8b0:4004:c23::1a.
alt1.aspmx.l.google.com resolves to two addresses: 108.177.123.27 and 2800:3f0:4003:c0f::1a.
alt2.aspmx.l.google.com resolves to two addresses: 172.253.116.26 and 2a00:1450:400b:c02::1b.
aspmx3.googlemail.com along with alt2.aspmx.l.google.com each resolve to 2a00:1450:400b:c02::1b IP addresses.
aspmx3.googlemail.com along with alt2.aspmx.l.google.com each resolve to 172.253.116.26 IP addresses.