refcru.com - robtex.com
refcru.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-1381.awsdns-44.org ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5305:6500::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront | ||||||
| PTR | ns-1381.awsdns-44.org | ||||||
| A | 205.251.197.101🇺🇸 Amazon205.251.197.0/24 prefix | ||||||
| PTR | ns-1381.awsdns-44.org | ||||||
| NS | ns-1952.awsdns-52.co.uk ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5307:a000::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront | ||||||
| PTR | ns-1952.awsdns-52.co.uk | ||||||
| A | 205.251.199.160🇺🇸 Amazon205.251.199.0/24 prefix | ||||||
| PTR | ns-1952.awsdns-52.co.uk | ||||||
| NS | ns-30.awsdns-03.com ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5300:1e00::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront | ||||||
| PTR | ns-30.awsdns-03.com | ||||||
| A | 205.251.192.30🇺🇸 Amazon205.251.192.0/24 prefix | ||||||
| PTR | ns-30.awsdns-03.com | ||||||
| NS | ns-703.awsdns-23.net ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5302:bf00::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront | ||||||
| PTR | ns-703.awsdns-23.net | ||||||
| A | 205.251.194.191🇺🇸 Amazon205.251.194.0/24 prefix | ||||||
| PTR | ns-703.awsdns-23.net | ||||||
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=1784416422 | ||||||
Same first word
refcru.com |
Similar names
DNS History
6 records (4 active, 2 former)
●NSns-1381.awsdns-44.org2016-12-13 → 2026-07-18 · 2 obs
● 2026-07-18 23:43:08
●NSns-1952.awsdns-52.co.uk2016-12-13 → 2026-07-18 · 2 obs
● 2026-07-18 23:43:08
●NSns-30.awsdns-03.com2016-12-13 → 2026-07-18 · 2 obs
● 2026-07-18 23:43:08
●NSns-703.awsdns-23.net2016-12-13 → 2026-07-18 · 2 obs
● 2026-07-18 23:43:08
○A52.192.223.312016-12-13 → 2016-12-13 · 3 obs
○ 2017-05-17 01:24:08
○ 2026-07-18 23:43:08
○A54.64.214.1502016-12-13 → 2017-05-17 · 4 obs
● 2017-05-17 01:24:08
○ 2026-04-04 03:17:38
○ 2026-07-18 23:43:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, i.gtld-servers.net, a.gtld-servers.net, b.gtld-servers.net... | - |
| refcru.com | ns-30.awsdns-03.com, ns-703.awsdns-23.net, ns-1952.awsdns-52.co.uk, ns-1381.awsdns-44.org | 2 records |
✅ Authoritative Response
Server:205.251.199.160
NS records: ns-30.awsdns-03.com, ns-703.awsdns-23.net, ns-1952.awsdns-52.co.uk, ns-1381.awsdns-44.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for refcru.com (unsigned zone)
⏱️ Timing
Total: 210ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns-30.awsdns-03.com, ns-30.awsdns-03.com)
Analysis
Name Servers
The domain refcru.com is delegated to these four name servers: ns-30.awsdns-03.com, ns-703.awsdns-23.net, ns-1381.awsdns-44.org and ns-1952.awsdns-52.co.uk.
refcru.com has at least partial name server overlap with other domains, such as ziejy.com, sethero.com, insted.nl and two others.
ns-30.awsdns-03.com, ns-703.awsdns-23.net, ns-1381.awsdns-44.org and ns-1952.awsdns-52.co.uk all point to exactly two IP numbers each: ns-30.awsdns-03.com → 205.251.192.30 and 2600:9000:5300:1e00::1; ns-703.awsdns-23.net → 205.251.194.191 and 2600:9000:5302:bf00::1; ns-1381.awsdns-44.org → 205.251.197.101 and 2600:9000:5305:6500::1; ns-1952.awsdns-52.co.uk → 205.251.199.160 and 2600:9000:5307:a000::1.