perf.dev - robtex.com
perf.dev
dev
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns-tld1.charlestonroadregistry.com ⭐ | ||||||
| NS | ns-tld2.charlestonroadregistry.com | ||||||
| NS | ns-tld3.charlestonroadregistry.com | ||||||
| NS | ns-tld4.charlestonroadregistry.com | ||||||
| NS | ns-tld5.charlestonroadregistry.com | ||||||
| SOA | ns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=1 | ||||||
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DNS History
10 records (10 active, 0 former)
●NSns-cloud-b1.googledomains.com2026-09-03 → 2026-09-24 · 2 obs
● 2026-09-24 05:25:30
●NSns-cloud-b2.googledomains.com2026-09-03 → 2026-09-24 · 2 obs
● 2026-09-24 05:25:30
●NSns-cloud-b3.googledomains.com2026-09-03 → 2026-09-24 · 2 obs
● 2026-09-24 05:25:30
●NSns-cloud-b4.googledomains.com2026-09-03 → 2026-09-24 · 2 obs
● 2026-09-24 05:25:30
●MXalt1.aspmx.l.google.com2026-09-03 → 2026-09-24 · 2 obs
● 2026-09-24 05:25:30
●MXalt2.aspmx.l.google.com2026-09-03 → 2026-09-24 · 2 obs
● 2026-09-24 05:25:30
●MXalt3.aspmx.l.google.com2026-09-03 → 2026-09-24 · 2 obs
● 2026-09-24 05:25:30
●MXalt4.aspmx.l.google.com2026-09-03 → 2026-09-24 · 2 obs
● 2026-09-24 05:25:30
●MXaspmx.l.google.com2026-09-03 → 2026-09-24 · 2 obs
● 2026-09-24 05:25:30
●A76.76.21.212026-09-03 → 2026-09-24 · 2 obs
● 2026-09-24 05:25:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dev | ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com... | 10 records |
| perf.dev | ns-cloud-b4.googledomains.com, ns-cloud-b3.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b1.googledomains.com | - |
✅ Authoritative Response
Server:216.239.38.107
NS records: ns-cloud-b4.googledomains.com, ns-cloud-b3.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b1.googledomains.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1293ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 76.76.21.21 |
| NS | 4 | ns-cloud-b4.googledomains.com, ns-cloud-b1.googledomains.com... |
| MX | 5 | alt4.aspmx.l.google.com (pri: 10), aspmx.l.google.com (pri: 1)... |
| TXT | 1 | v=spf1 include:_spf.google.com ~all |
| SOA | 1 | ns-cloud-b1.googledomains.com cloud-dns- |
📌 Glue Records Collected
Total: 10
Out-of-bailiwick: 10 (ns-tld1.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)
Analysis
IP Addresses
perf.dev resolves to just one IP address, 76.76.21.21.
Two other host names, along with fedufo.cn, recamoving.com and realpolitik.world, also share IP numbers with perf.dev.
Name Servers
The NS records for perf.dev point to four name servers: ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com and ns-cloud-b4.googledomains.com.
perf.dev partially shares its NS delegation with several other domains, including perkns.store, queuecrewco.com, ikeel.net and two others.
ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com and ns-cloud-b4.googledomains.com each carry two IP addresses. ns-cloud-b1.googledomains.com has 216.239.32.107 and 2001:4860:4802:32::6b; ns-cloud-b2.googledomains.com has 216.239.34.107 and 2001:4860:4802:34::6b; ns-cloud-b3.googledomains.com has 216.239.36.107 and 2001:4860:4802:36::6b; ns-cloud-b4.googledomains.com has 216.239.38.107 and 2001:4860:4802:38::6b.
Mail Servers
perf.dev is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
There is at least a partial MX overlap between perf.dev and other domains, including rmhpconsulting.com, wcsuk.com, agrimelillo.com and two others.
alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx3.googlemail.com and aspmx2.googlemail.com are mail servers that frequently appear together with these mail servers.
Host names that have two IP addresses:
aspmx.l.google.com resolves to 172.253.139.26 and 2607:f8b0:4004:c2f::1b.
alt1.aspmx.l.google.com resolves to 192.178.234.27 and 2800:3f0:4003:c14::1b.
alt2.aspmx.l.google.com resolves to 172.253.116.27 and 2a00:1450:400b:c02::1b.
alt3.aspmx.l.google.com resolves to 192.178.223.27 and 2a00:1450:4009:c0f::1b.
alt4.aspmx.l.google.com resolves to 172.253.157.27 and 2a00:1450:400c:c23::1b.