precertify.ai - robtex.com
precertify.ai
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.223.154.57🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix | ||||||
| PTR | ec2-13-223-154-57.compute-1.amazonaws.com | ||||||
| A | 23.23.124.68🇺🇸 Amazon23.22.0.0/15 EC2 IAD prefix | ||||||
| NS | ns-1312.awsdns-36.org ⭐ | ||||||
| A | 2600:9000:5305:2000::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront | ||||||
| PTR | ns-1312.awsdns-36.org | ||||||
| A | 205.251.197.32🇺🇸 Amazon205.251.197.0/24 prefix | ||||||
| PTR | ns-1312.awsdns-36.org | ||||||
| NS | ns-1724.awsdns-23.co.uk | ||||||
| A | 2600:9000:5306:bc00::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront | ||||||
| PTR | ns-1724.awsdns-23.co.uk | ||||||
| A | 205.251.198.188🇺🇸 Amazon205.251.198.0/24 prefix | ||||||
| PTR | ns-1724.awsdns-23.co.uk | ||||||
| NS | ns-432.awsdns-54.com | ||||||
| A | 2600:9000:5301:b000::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront | ||||||
| PTR | ns-432.awsdns-54.com | ||||||
| A | 205.251.193.176🇺🇸 Amazon205.251.193.0/24 prefix | ||||||
| PTR | ns-432.awsdns-54.com | ||||||
| NS | ns-535.awsdns-02.net | ||||||
| A | 2600:9000:5302:1700::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront | ||||||
| PTR | ns-535.awsdns-02.net | ||||||
| A | 205.251.194.23🇺🇸 Amazon205.251.194.0/24 prefix | ||||||
| PTR | ns-535.awsdns-02.net | ||||||
| SOA | ns-1312.awsdns-36.orgawsdns-hostmaster@amazon.com serial=1 | ||||||
ai
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | v0n0.nic.ai ⭐ | ||||||
| NS | v0n1.nic.ai | ||||||
| NS | v0n2.nic.ai | ||||||
| NS | v0n3.nic.ai | ||||||
| NS | v2n0.nic.ai | ||||||
| NS | v2n1.nic.ai | ||||||
| SOA | v0n0.nic.aihostmaster@donuts.email serial=1772386746 | ||||||
Same first word
precertify.ai |
DNS History
6 records (6 active, 0 former)
●NSns-1312.awsdns-36.org2026-03-01 → 2026-03-01 · 2 obs
● 2026-03-01 23:36:12
●NSns-1724.awsdns-23.co.uk2026-03-01 → 2026-03-01 · 2 obs
● 2026-03-01 23:36:12
●NSns-432.awsdns-54.com2026-03-01 → 2026-03-01 · 2 obs
● 2026-03-01 23:36:12
●NSns-535.awsdns-02.net2026-03-01 → 2026-03-01 · 2 obs
● 2026-03-01 23:36:12
●A13.223.154.572026-03-01 → 2026-03-01 · 2 obs
● 2026-03-01 23:36:12
●A23.23.124.682026-03-01 → 2026-03-01 · 2 obs
● 2026-03-01 23:36:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ai | v0n0.nic.ai, v0n2.nic.ai, v2n1.nic.ai, v2n0.nic.ai... | 12 records |
| precertify.ai | ns-1312.awsdns-36.org, ns-432.awsdns-54.com, ns-1724.awsdns-23.co.uk, ns-535.awsdns-02.net | - |
✅ Authoritative Response
Server: 205.251.198.188
NS records: ns-1312.awsdns-36.org, ns-432.awsdns-54.com, ns-1724.awsdns-23.co.uk, ns-535.awsdns-02.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for precertify.ai (unsigned zone)
⏱️ Timing
Total: 431ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 13.223.154.57, 23.23.124.68 |
| NS | 4 | ns-1312.awsdns-36.org, ns-1724.awsdns-23.co.uk... |
| SOA | 1 | ns-1312.awsdns-36.org awsdns-hostmaster. |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (v0n0.nic.ai, v0n0.nic.ai, v0n2.nic.ai...)
Analysis
IP Addresses
precertify.ai points to two IP numbers: 13.223.154.57 and 23.23.124.68.
Name Servers
precertify.ai is delegated to four name servers: ns-432.awsdns-54.com, ns-535.awsdns-02.net, ns-1312.awsdns-36.org and ns-1724.awsdns-23.co.uk.
precertify.ai at least partially shares name servers with other domains, for instance kja.jp, 0rchestra.net, vanausdall.com, optaview.com and stg-data-kh.ads.heytapmobile.com.
These name servers are commonly used together with ns-219.awsdns-27.com, ns-706.awsdns-24.net and ns-1682.awsdns-18.co.uk.
Host names with two IP numbers: ns-432.awsdns-54.com points to 2600:9000:5301:b000::1 and 205.251.193.176; ns-535.awsdns-02.net points to 2600:9000:5302:1700::1 and 205.251.194.23; ns-1312.awsdns-36.org points to 2600:9000:5305:2000::1 and 205.251.197.32; ns-1724.awsdns-23.co.uk points to 2600:9000:5306:bc00::1 and 205.251.198.188.