courseval.info - robtex.com
courseval.info
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-1611.awsdns-09.co.uk ⭐ | ||||||
| A | 2600:9000:5306:4b00::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront | ||||||
| PTR | ns-1611.awsdns-09.co.uk | ||||||
| A | 205.251.198.75🇺🇸 Amazon205.251.198.0/24 prefix | ||||||
| PTR | ns-1611.awsdns-09.co.uk | ||||||
| NS | ns-1311.awsdns-35.org | ||||||
| A | 2600:9000:5305:1f00::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront | ||||||
| PTR | ns-1311.awsdns-35.org | ||||||
| A | 205.251.197.31🇺🇸 Amazon205.251.197.0/24 prefix | ||||||
| PTR | ns-1311.awsdns-35.org | ||||||
| NS | ns-454.awsdns-56.com | ||||||
| A | 2600:9000:5301:c600::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront | ||||||
| PTR | ns-454.awsdns-56.com | ||||||
| A | 205.251.193.198🇺🇸 Amazon205.251.193.0/24 prefix | ||||||
| PTR | ip-205-251-193-198.defastlink.net | ||||||
| NS | ns-909.awsdns-49.net | ||||||
| A | 2600:9000:5303:8d00::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront | ||||||
| PTR | ns-909.awsdns-49.net | ||||||
| A | 205.251.195.141🇺🇸 Amazon205.251.195.0/24 prefix | ||||||
| PTR | ns-909.awsdns-49.net | ||||||
| TXT | google-site-verification=HrFqnHqqUqZZjTAuUxLOnUBJerqWOB_VHegD5A1K1_M | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns-1611.awsdns-09.co.ukawsdns-hostmaster@amazon.com serial=1 | ||||||
info
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.info.afilias-nst.info ⭐ | ||||||
| NS | a2.info.afilias-nst.info | ||||||
| NS | b0.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| NS | b2.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| NS | c0.info.afilias-nst.info | ||||||
| NS | d0.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| SOA | a0.info.afilias-nst.infohostmaster@donuts.email serial=1776252818 | ||||||
Same first word
Similar names
DNS History
10 records (4 active, 6 former)
●NSns-1311.awsdns-35.org2026-03-27 → 2026-04-15 · 3 obs
● 2026-03-27 00:35:22
● 2026-04-15 11:56:50
●NSns-1611.awsdns-09.co.uk2026-03-27 → 2026-04-15 · 3 obs
● 2026-03-27 00:35:22
● 2026-04-15 11:56:50
●NSns-454.awsdns-56.com2026-03-27 → 2026-04-15 · 3 obs
● 2026-03-27 00:35:22
● 2026-04-15 11:56:50
●NSns-909.awsdns-49.net2026-03-27 → 2026-04-15 · 3 obs
● 2026-03-27 00:35:22
● 2026-04-15 11:56:50
○NSns45.domaincontrol.com2015-08-18 → 2020-02-08 · 4 obs
● 2020-02-08 14:41:10
○ 2026-03-27 00:35:22
○ 2026-04-15 11:56:50
○NSns46.domaincontrol.com2015-08-18 → 2020-02-08 · 4 obs
● 2020-02-08 14:41:10
○ 2026-03-27 00:35:22
○ 2026-04-15 11:56:50
○MXmailstore1.secureserver.net2015-08-18 → 2020-02-08 · 4 obs
● 2020-02-08 14:41:10
○ 2026-03-27 00:35:22
○ 2026-04-15 11:56:50
○MXsmtp.secureserver.net2015-08-18 → 2020-02-08 · 4 obs
● 2020-02-08 14:41:10
○ 2026-03-27 00:35:22
○ 2026-04-15 11:56:50
○A184.168.221.242015-08-18 → 2017-03-27 · 4 obs
● 2017-03-27 07:17:00
○ 2020-02-08 14:41:10
○ 2026-04-15 11:56:50
○A50.63.202.362020-02-08 → 2020-02-08 · 4 obs
● 2020-02-08 14:41:10
○ 2026-03-27 00:35:22
○ 2026-04-15 11:56:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| info | a0.info.afilias-nst.info, a2.info.afilias-nst.info, c0.info.afilias-nst.info | - |
| courseval.info | ns-454.awsdns-56.com, ns-1311.awsdns-35.org, ns-1611.awsdns-09.co.uk, ns-909.awsdns-49.net | - |
✅ Authoritative Response
Server:205.251.193.198
NS records: ns-454.awsdns-56.com, ns-1311.awsdns-35.org, ns-1611.awsdns-09.co.uk, ns-909.awsdns-49.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for courseval.info (unsigned zone)
⏱️ Timing
Total: 785ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-1311.awsdns-35.org, ns-1611.awsdns-09.co.uk... |
| TXT | 2 | google-site-verification=HrFqnHqqUqZZjTA, v=spf1 -all |
| SOA | 1 | ns-1611.awsdns-09.co.uk awsdns-hostmaste |
Analysis
Name Servers
courseval.info is delegated to four name servers: ns-454.awsdns-56.com, ns-909.awsdns-49.net, ns-1311.awsdns-35.org and ns-1611.awsdns-09.co.uk.
courseval.info at least partially shares its name servers with other domains, for instance d2qt8hyco21xlu.cloudfront.net, openrpps.com, ysgco.com, decypha.com and randstad-esolutions.com.
These name servers are commonly used with ns-1606.awsdns-08.co.uk, ns-504.awsdns-63.com and ns-1256.awsdns-29.org.
Host names with two IPs: ns-454.awsdns-56.com points to 2600:9000:5301:c600::1 and 205.251.193.198; ns-909.awsdns-49.net points to 2600:9000:5303:8d00::1 and 205.251.195.141; ns-1311.awsdns-35.org points to 2600:9000:5305:1f00::1 and 205.251.197.31; ns-1611.awsdns-09.co.uk points to 2600:9000:5306:4b00::1 and 205.251.198.75.