dallaserf.com - robtex.com
dallaserf.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 70.118.15.3🇺🇸 CBO_IPAM70.118.0.0/17 RR-Route | ||||||
| PTR | syn-070-118-015-003.biz.spectrum.com | ||||||
| NS | auth1.dns.cogentco.com ⭐ | ||||||
| A | 2001:550:1:a::d🇺🇸 COGENT2001:550::/32 Cogent Communications | ||||||
| PTR | auth1.dns.cogentco.com | ||||||
| A | 66.28.0.14🇺🇸 COGENT66.28.0.0/16 Cogent | ||||||
| PTR | auth1.dns.cogentco.com | ||||||
| NS | auth2.dns.cogentco.com | ||||||
| A | 2001:550:1:b::d🇺🇸 COGENT2001:550::/32 Cogent Communications | ||||||
| PTR | auth2.dns.cogentco.com | ||||||
| A | 66.28.0.30🇺🇸 COGENT66.28.0.0/16 Cogent | ||||||
| PTR | auth2.dns.cogentco.com | ||||||
| SOA | auth1.dns.cogentco.comdns@cogentco.com 2017-11-06 #5 | ||||||
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=1774562402 | ||||||
Subdomains
www.dallaserf.com |
Same first word
dallaserf.net |
dallaserf.org |
dallaserf.com |
Similar names
DNS History
9 records (3 active, 6 former)
●NSauth1.dns.cogentco.com2015-06-21 → 2026-03-26 · 2 obs
● 2026-03-26 22:15:12
●NSauth2.dns.cogentco.com2015-06-21 → 2026-03-26 · 2 obs
● 2026-03-26 22:15:12
○NSauth4.dns.cogentco.com2015-06-21 → 2020-03-22 · 4 obs
● 2020-03-22 01:43:32
○ 2026-03-26 22:15:10
○ 2026-03-26 22:15:12
○NSauth5.dns.cogentco.com2015-06-21 → 2020-03-22 · 4 obs
● 2020-03-22 01:43:32
○ 2026-03-26 22:15:10
○ 2026-03-26 22:15:12
○MXbackupmx1.mail.cogentco.com2015-06-21 → 2016-08-05 · 4 obs
● 2016-08-05 09:11:50
○ 2020-03-22 01:43:32
○ 2026-03-26 22:15:12
○MXbackupmx2.mail.cogentco.com2015-06-21 → 2016-08-05 · 4 obs
● 2016-08-05 09:11:50
○ 2020-03-22 01:43:32
○ 2026-03-26 22:15:12
○MXmail.dallaserf.com2015-06-21 → 2016-08-05 · 4 obs
● 2016-08-05 09:11:50
○ 2020-03-22 01:43:32
○ 2026-03-26 22:15:12
○A38.96.220.2182015-06-21 → 2016-08-05 · 4 obs
● 2016-08-05 09:11:50
○ 2020-03-22 01:43:32
○ 2026-03-26 22:15:12
●A70.118.15.32020-03-22 → 2026-03-26 · 3 obs
● 2020-03-22 01:43:32
● 2026-03-26 22:15:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, b.gtld-servers.net, l.gtld-servers.net, k.gtld-servers.net... | - |
| dallaserf.com | auth1.dns.cogentco.com, auth2.dns.cogentco.com | 3 records |
✅ Authoritative Response
Server:66.28.0.30
NS records: auth1.dns.cogentco.com, auth2.dns.cogentco.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dallaserf.com (unsigned zone)
⏱️ Timing
Total: 132ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 70.118.15.3 |
| NS | 2 | auth1.dns.cogentco.com, auth2.dns.cogentco.com |
| SOA | 1 | auth1.dns.cogentco.com dns.cogentco.com |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (auth1.dns.cogentco.com, auth1.dns.cogentco.com, auth2.dns.cogentco.com)
Analysis
Hierarchy
The parent of www.dallaserf.com is dallaserf.com.
IP Addresses
dallaserf.com points to an IP address: 70.118.15.3.
Other host names, for instance syn-070-118-015-003.biz.spectrum.com and www.dallaserf.com, share IP numbers with dallaserf.com.
Name Servers
Two name servers auth1.dns.cogentco.com and auth2.dns.cogentco.com handle the delegation for dallaserf.com.
dallaserf.com shares the same name server setup as other domains, for instance 200.50.154.in-addr.arpa, 101.128.38.in-addr.arpa, lcy01.atlas.cogentco.com, 72.54.154.in-addr.arpa and 177.99.38.in-addr.arpa.
dallaserf.com at least partially shares name servers with other domains, for instance 214.177.38.in-addr.arpa, 24.234.207.in-addr.arpa, railmaster.be, rbb-text.mobi and 115.248.204.in-addr.arpa.
these name servers are commonly used with cbru.br.ns.els-gms.att.net, cmtu.mt.ns.els-gms.att.net, pri7.dns.psi.net, pri8.dns.psi.net, pri9.dns.psi.net, ns4.arcadiz.be, dns.infrabel.be, secdns.infrabel.be, ns3.arcadiz.net and nsa.ups.com.
Host names with two IP numbers:
auth1.dns.cogentco.com points to 2001:550:1:a::d and 66.28.0.14.
auth2.dns.cogentco.com points to 2001:550:1:b::d and 66.28.0.30.