u4g.com - robtex.com
u4g.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-1511.awsdns-60.org ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5305:e700::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront | ||||||
| PTR | ns-1511.awsdns-60.org | ||||||
| A | 205.251.197.231🇺🇸 Amazon205.251.197.0/24 prefix | ||||||
| PTR | ns-1511.awsdns-60.org | ||||||
| NS | ns-1594.awsdns-07.co.uk ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5306:3a00::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront | ||||||
| PTR | ns-1594.awsdns-07.co.uk | ||||||
| A | 205.251.198.58🇺🇸 Amazon205.251.198.0/24 prefix | ||||||
| PTR | ns-1594.awsdns-07.co.uk | ||||||
| NS | ns-175.awsdns-21.com ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5300:af00::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront | ||||||
| PTR | ns-175.awsdns-21.com | ||||||
| A | 205.251.192.175🇺🇸 Amazon205.251.192.0/24 prefix | ||||||
| PTR | ns-175.awsdns-21.com | ||||||
| NS | ns-888.awsdns-47.net ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5303:7800::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront | ||||||
| PTR | ns-888.awsdns-47.net | ||||||
| A | 205.251.195.120🇺🇸 Amazon205.251.195.0/24 prefix | ||||||
| PTR | ns-888.awsdns-47.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=1774636922 | ||||||
Same first word
Similar names
DNS History
21 records (4 active, 17 former)
●NSns-1511.awsdns-60.org2015-12-18 → 2026-03-27 · 3 obs
● 2015-12-18 06:00:52
● 2026-03-27 18:59:32
●NSns-1594.awsdns-07.co.uk2015-12-18 → 2026-03-27 · 3 obs
● 2015-12-18 06:00:52
● 2026-03-27 18:59:32
●NSns-175.awsdns-21.com2015-12-18 → 2026-03-27 · 3 obs
● 2015-12-18 06:00:52
● 2026-03-27 18:59:32
●NSns-888.awsdns-47.net2015-12-18 → 2026-03-27 · 3 obs
● 2015-12-18 06:00:52
● 2026-03-27 18:59:32
○NSns71.domaincontrol.com2015-08-08 → 2015-08-08 · 3 obs
○ 2015-12-18 06:00:52
○ 2026-03-27 18:59:32
○NSns72.domaincontrol.com2015-08-08 → 2015-08-08 · 3 obs
○ 2015-12-18 06:00:52
○ 2026-03-27 18:59:32
○MXalt1.aspmx.l.google.com2015-08-08 → 2017-07-27 · 3 obs
● 2017-07-27 14:17:14
○ 2026-03-27 18:59:32
○MXalt2.aspmx.l.google.com2015-08-08 → 2017-07-27 · 3 obs
● 2017-07-27 14:17:14
○ 2026-03-27 18:59:32
○MXaspmx.l.google.com2015-08-08 → 2017-07-27 · 3 obs
● 2017-07-27 14:17:14
○ 2026-03-27 18:59:32
○MXaspmx2.googlemail.com2015-08-08 → 2017-07-27 · 3 obs
● 2017-07-27 14:17:14
○ 2026-03-27 18:59:32
○MXaspmx3.googlemail.com2015-08-08 → 2017-07-27 · 3 obs
● 2017-07-27 14:17:14
○ 2026-03-27 18:59:32
○A34.193.69.1122017-01-09 → 2017-01-09 · 4 obs
● 2017-01-09 06:59:46
○ 2017-07-27 14:17:14
○ 2026-03-27 18:59:32
○A50.16.90.1122016-07-22 → 2016-07-22 · 4 obs
● 2016-07-22 03:25:18
○ 2017-01-09 06:59:46
○ 2026-03-27 18:59:32
○A52.3.3.1802016-03-24 → 2016-03-24 · 4 obs
● 2016-03-24 03:36:34
○ 2016-07-22 03:25:18
○ 2026-03-27 18:59:32
○A52.4.83.332015-08-08 → 2015-08-08 · 3 obs
○ 2015-12-18 06:00:52
○ 2026-03-27 18:59:32
○A52.45.220.2162017-01-09 → 2017-01-09 · 4 obs
● 2017-01-09 06:59:46
○ 2017-07-27 14:17:14
○ 2026-03-27 18:59:32
○A52.71.81.152016-03-24 → 2016-03-24 · 4 obs
● 2016-03-24 03:36:34
○ 2016-07-22 03:25:18
○ 2026-03-27 18:59:32
○A52.73.106.2352016-07-22 → 2016-07-22 · 4 obs
● 2016-07-22 03:25:18
○ 2017-01-09 06:59:46
○ 2026-03-27 18:59:32
○A54.209.164.2262015-12-18 → 2015-12-18 · 4 obs
● 2015-12-18 06:00:52
○ 2016-03-24 03:36:34
○ 2026-03-27 18:59:32
○A54.234.245.02017-07-27 → 2017-07-27 · 3 obs
● 2017-07-27 14:17:14
○ 2026-03-27 18:59:32
○A54.86.123.622015-12-18 → 2015-12-18 · 4 obs
● 2015-12-18 06:00:52
○ 2016-03-24 03:36:34
○ 2026-03-27 18:59:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| u4g.com | ns-175.awsdns-21.com, ns-888.awsdns-47.net, ns-1594.awsdns-07.co.uk, ns-1511.awsdns-60.org | 1 record |
✅ Authoritative Response
Server:205.251.192.175
NS records: ns-175.awsdns-21.com, ns-888.awsdns-47.net, ns-1594.awsdns-07.co.uk, ns-1511.awsdns-60.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for u4g.com (unsigned zone)
⏱️ Timing
Total: 232ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (ns-175.awsdns-21.com)
Analysis
Name Servers
u4g.com is delegated to four name servers: ns-175.awsdns-21.com, ns-888.awsdns-47.net, ns-1511.awsdns-60.org and ns-1594.awsdns-07.co.uk.
u4g.com at least partially shares name servers with other domains, for instance 106.94.3.in-addr.arpa, 50.174.35.in-addr.arpa, 174.163.16.in-addr.arpa, 90.216.13.in-addr.arpa and 131.27.100.in-addr.arpa.
these name servers are commonly used with the name servers ns1-24-us-east-1.ec2-rdns.amazonaws.com, ns2-24-us-east-1.ec2-rdns.amazonaws.com, ns3-24-us-east-1.ec2-rdns.amazonaws.com, ns4-24-us-east-1.ec2-rdns.amazonaws.com, ns1-24-ap-east-1.ec2-rdns.amazonaws.com, ns2-24-ap-east-1.ec2-rdns.amazonaws.com, ns3-24-ap-east-1.ec2-rdns.amazonaws.com and ns4-24-ap-east-1.ec2-rdns.amazonaws.com.
Host names with two IP numbers:
ns-175.awsdns-21.com points to 2600:9000:5300:af00::1 and 205.251.192.175; ns-888.awsdns-47.net points to 2600:9000:5303:7800::1 and 205.251.195.120; ns-1511.awsdns-60.org points to 2600:9000:5305:e700::1 and 205.251.197.231; ns-1594.awsdns-07.co.uk points to 2600:9000:5306:3a00::1 and 205.251.198.58.