erstwhile.co - dns.ninja
erstwhile.co
co
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns0.centralnic.net ⭐ | ||||||
| NS | a.registrydns.co | ||||||
| NS | b.registrydns.co | ||||||
| NS | c.registrydns.co | ||||||
| NS | d.registrydns.co | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=1759729474 | ||||||
Subdomains
mail.erstwhile.co |
Same first word
erstwhile.be |
erstwhile.org |
erstwhile.us |
erstwhile.co |
Similar names
DNS History
15 records (11 active, 4 former)
●NSns1.a2hosting.com2026-04-03 → 2026-08-10 · 3 obs
● 2026-04-03 18:56:00
● 2026-08-10 09:45:32
●NSns2.a2hosting.com2026-04-03 → 2026-08-10 · 3 obs
● 2026-04-03 18:56:00
● 2026-08-10 09:45:32
●NSns3.a2hosting.com2026-04-03 → 2026-08-10 · 3 obs
● 2026-04-03 18:56:00
● 2026-08-10 09:45:32
●NSns4.a2hosting.com2026-04-03 → 2026-08-10 · 3 obs
● 2026-04-03 18:56:00
● 2026-08-10 09:45:32
○NSns51.1and1.com2015-08-05 → 2016-02-26 · 4 obs
● 2016-02-26 11:52:28
○ 2026-04-03 18:56:00
○ 2026-08-10 09:45:32
○NSns52.1and1.com2015-08-05 → 2016-02-26 · 4 obs
● 2016-02-26 11:52:28
○ 2026-04-03 18:56:00
○ 2026-08-10 09:45:32
●MXalt1.aspmx.l.google.com2015-08-05 → 2026-08-10 · 2 obs
● 2026-08-10 09:45:32
●MXalt2.aspmx.l.google.com2015-08-05 → 2026-08-10 · 2 obs
● 2026-08-10 09:45:32
●MXalt3.aspmx.l.google.com2026-04-03 → 2026-08-10 · 3 obs
● 2026-04-03 18:56:00
● 2026-08-10 09:45:32
●MXalt4.aspmx.l.google.com2026-04-03 → 2026-08-10 · 3 obs
● 2026-04-03 18:56:00
● 2026-08-10 09:45:32
●MXaspmx.l.google.com2015-08-05 → 2026-08-10 · 2 obs
● 2026-08-10 09:45:32
○MXaspmx2.googlemail.com2015-08-05 → 2016-02-26 · 4 obs
● 2016-02-26 11:52:28
○ 2026-04-03 18:56:00
○ 2026-08-10 09:45:32
●MXmail.erstwhile.co2026-04-03 → 2026-08-10 · 3 obs
● 2026-04-03 18:56:00
● 2026-08-10 09:45:32
○A198.251.70.1292015-08-05 → 2016-02-26 · 4 obs
● 2016-02-26 11:52:28
○ 2026-04-03 18:56:00
○ 2026-08-10 09:45:32
●A23.227.38.682026-04-03 → 2026-08-10 · 3 obs
● 2026-04-03 18:56:00
● 2026-08-10 09:45:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| co | a.registrydns.co, b.registrydns.co, c.registrydns.co, d.registrydns.co | - |
| erstwhile.co | ns1.a2hosting.com, ns2.a2hosting.com, ns3.a2hosting.com, ns4.a2hosting.com | - |
✅ Authoritative Response
Server:99.83.147.209
NS records: ns1.a2hosting.com, ns2.a2hosting.com, ns3.a2hosting.com, ns4.a2hosting.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for erstwhile.co (unsigned zone)
⏱️ Timing
Total: 403ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 23.227.38.68 |
| NS | 4 | ns2.a2hosting.com, ns1.a2hosting.com... |
| MX | 6 | alt4.aspmx.l.google.com (pri: 10), alt2.aspmx.l.google.com (pri: 5)... |
| TXT | 2 | google-site-verification=Uw8ECGmVZw7N0EO, v=spf1 +mx +a +ip4:103.227.176.29 +inclu |
| SOA | 1 | ns1.a2hosting.com root.sg1-ss16.a2hostin |
Analysis
Hierarchy
erstwhile.co serves as the parent of mail.erstwhile.co.
IP Addresses
erstwhile.co directs to one IP number, which is 23.227.38.68.
Among the host names that share IP numbers with erstwhile.co are jkrtrading.com, eatonmotorworks.com, bluestreakcrystals.com and two others.
Name Servers
The domain erstwhile.co is delegated to these four name servers: ns1.a2hosting.com, ns2.a2hosting.com, ns3.a2hosting.com and ns4.a2hosting.com.
erstwhile.co has at least partial name server overlap with other domains, such as socialfave.net, vcprodatabase.com, pckare.com and two others.
It is common to see these name servers used together with name servers ns1.supercp.com and ns2.supercp.com.
ns1.a2hosting.com resolves to 13.248.158.180. ns2.a2hosting.com resolves to 75.2.118.134. ns3.a2hosting.com resolves to 76.223.26.245. ns4.a2hosting.com resolves to 99.83.147.209. All four hosts carry exactly one IP address.
Mail Servers
Mail for erstwhile.co is routed through 6 mail servers, including mail.erstwhile.co, aspmx.l.google.com, alt1.aspmx.l.google.com and 3 other.
erstwhile.co shares at least some of its mail servers with other domains — for example boltcms.com, gamzu.com, ns500698.ns500698.ns500758.ns500759.ns500758.ns500759.ns500736.ns500735.ns500735.ns500708.ns500576.ns500576.ns500708.ns500576.ns500686.ns500576.ns500619.trackreceptor.com and two more.
These mail servers tend to be used in conjunction with alt2.aspmx.l.google.com, alt3.aspmx.l.google.com, alt4.aspmx.l.google.com and two additional mail servers.
Hosts with two IP numbers each:
aspmx.l.google.com resolves to 172.253.62.27 and 2607:f8b0:4004:c08::1a.
alt1.aspmx.l.google.com resolves to 192.178.234.27 and 2800:3f0:4003:c14::1a.
alt2.aspmx.l.google.com resolves to 172.253.116.26 and 2a00:1450:400b:c02::1a.
alt3.aspmx.l.google.com resolves to 192.178.223.27 and 2a00:1450:4009:c0f::1a.
alt4.aspmx.l.google.com resolves to 172.253.157.27 and 2a00:1450:400c:c23::1a.