257498.com - robtex.com
257498.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-1479.awsdns-56.org ⭐ | ||||||
| A | 2600:9000:5305:c700::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront | ||||||
| PTR | ns-1479.awsdns-56.org | ||||||
| A | 205.251.197.199🇺🇸 Amazon205.251.197.0/24 prefix | ||||||
| PTR | ns-1479.awsdns-56.org | ||||||
| NS | ns-1957.awsdns-52.co.uk | ||||||
| A | 2600:9000:5307:a500::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront | ||||||
| PTR | ns-1957.awsdns-52.co.uk | ||||||
| A | 205.251.199.165🇺🇸 Amazon205.251.199.0/24 prefix | ||||||
| PTR | ns-1957.awsdns-52.co.uk | ||||||
| NS | ns-477.awsdns-59.com | ||||||
| A | 2600:9000:5301:dd00::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront | ||||||
| PTR | ns-477.awsdns-59.com | ||||||
| A | 205.251.193.221🇺🇸 Amazon205.251.193.0/24 prefix | ||||||
| PTR | ns-477.awsdns-59.com | ||||||
| NS | ns-554.awsdns-05.net | ||||||
| A | 2600:9000:5302:2a00::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront | ||||||
| PTR | ns-554.awsdns-05.net | ||||||
| A | 205.251.194.42🇺🇸 Amazon205.251.194.0/24 prefix | ||||||
| PTR | ns-554.awsdns-05.net | ||||||
| SOA | ns-1479.awsdns-56.orgawsdns-hostmaster@amazon.com serial=1 | ||||||
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=1785182417 | ||||||
Same first word
257498.com |
Similar names
DNS History
7 records (4 active, 3 former)
○NSf1g1ns1.dnspod.net2017-09-28 → 2017-09-28 · 3 obs
○ 2026-07-04 05:11:20
○ 2026-07-27 20:30:08
○NSf1g1ns2.dnspod.net2017-09-28 → 2017-09-28 · 3 obs
○ 2026-07-04 05:11:20
○ 2026-07-27 20:30:08
●NSns-1479.awsdns-56.org2026-07-04 → 2026-07-27 · 3 obs
● 2026-07-04 05:11:20
● 2026-07-27 20:30:08
●NSns-1957.awsdns-52.co.uk2026-07-04 → 2026-07-27 · 3 obs
● 2026-07-04 05:11:20
● 2026-07-27 20:30:08
●NSns-477.awsdns-59.com2026-07-04 → 2026-07-27 · 3 obs
● 2026-07-04 05:11:20
● 2026-07-27 20:30:08
●NSns-554.awsdns-05.net2026-07-04 → 2026-07-27 · 3 obs
● 2026-07-04 05:11:20
● 2026-07-27 20:30:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| 257498.com | ns-554.awsdns-05.net, ns-477.awsdns-59.com, ns-1479.awsdns-56.org, ns-1957.awsdns-52.co.uk | 2 records |
✅ Authoritative Response
Server:205.251.194.42
NS records: ns-554.awsdns-05.net, ns-477.awsdns-59.com, ns-1479.awsdns-56.org, ns-1957.awsdns-52.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 257498.com (unsigned zone)
⏱️ Timing
Total: 406ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-1479.awsdns-56.org, ns-1957.awsdns-52.co.uk... |
| SOA | 1 | ns-1479.awsdns-56.org awsdns-hostmaster. |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns-477.awsdns-59.com, ns-477.awsdns-59.com)
Analysis
Name Servers
Four name servers handle the delegation for 257498.com: ns-477.awsdns-59.com, ns-554.awsdns-05.net, ns-1479.awsdns-56.org and ns-1957.awsdns-52.co.uk.
At least some of 257498.com's name servers are shared with other domains, for example marsbiobank.com, klouds.io, onecampus.com and two more.
Four hostnames, each resolving to a pair of IP addresses: ns-477.awsdns-59.com directs to 205.251.193.221 and 2600:9000:5301:dd00::1; ns-554.awsdns-05.net directs to 205.251.194.42 and 2600:9000:5302:2a00::1; ns-1479.awsdns-56.org directs to 205.251.197.199 and 2600:9000:5305:c700::1; ns-1957.awsdns-52.co.uk directs to 205.251.199.165 and 2600:9000:5307:a500::1.