mathdev.com - robtex.com
mathdev.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-1423.awsdns-49.org ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5305:8f00::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront | ||||||
| PTR | ns-1423.awsdns-49.org | ||||||
| A | 205.251.197.143🇺🇸 Amazon205.251.197.0/24 prefix | ||||||
| PTR | ns-1423.awsdns-49.org | ||||||
| NS | ns-1839.awsdns-37.co.uk ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5307:2f00::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront | ||||||
| PTR | ns-1839.awsdns-37.co.uk | ||||||
| A | 205.251.199.47🇺🇸 Amazon205.251.199.0/24 prefix | ||||||
| PTR | ns-1839.awsdns-37.co.uk | ||||||
| NS | ns-489.awsdns-61.com ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5301:e900::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront | ||||||
| PTR | ns-489.awsdns-61.com | ||||||
| A | 205.251.193.233🇺🇸 Amazon205.251.193.0/24 prefix | ||||||
| PTR | ns-489.awsdns-61.com | ||||||
| NS | ns-988.awsdns-59.net ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5303:dc00::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront | ||||||
| PTR | ns-988.awsdns-59.net | ||||||
| A | 205.251.195.220🇺🇸 Amazon205.251.195.0/24 prefix | ||||||
| PTR | ns-988.awsdns-59.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=1788168290 | ||||||
Same first word
Similar names
ahmedtv.net |
thamdev.com |
ahmedtv.app |
thadvme.com |
ahmedtv.com |
dmvheat.com |
thamdev.net |
vedmath.com |
veamthd.com |
dhvteam.com |
demhatv.ma |
hamedtv.com |
devmath.com |
dthmeva.com |
thadvme.bet |
Previous names
Next names
mathdevidal.com |
mathdex.com |
mathdeziel.com |
mathdf.com |
mathdia.com |
mathdiagnostics.com |
mathdiagrams.com |
mathdial.com |
mathdialog.com |
mathdiaries.com |
mathdic.com |
mathdice.com |
mathdict.com |
mathdictionaries.com |
DNS History
8 records (4 active, 4 former)
●NSns-1423.awsdns-49.org2026-08-22 → 2026-08-31 · 3 obs
● 2026-08-22 12:19:52
● 2026-08-31 09:41:02
●NSns-1839.awsdns-37.co.uk2026-08-22 → 2026-08-31 · 3 obs
● 2026-08-22 12:19:52
● 2026-08-31 09:41:02
●NSns-489.awsdns-61.com2026-08-22 → 2026-08-31 · 3 obs
● 2026-08-22 12:19:52
● 2026-08-31 09:41:02
●NSns-988.awsdns-59.net2026-08-22 → 2026-08-31 · 3 obs
● 2026-08-22 12:19:52
● 2026-08-31 09:41:02
○NSns1.yourhostingaccount.com2015-06-01 → 2016-07-09 · 4 obs
● 2016-07-09 14:25:24
○ 2026-08-22 12:19:52
○ 2026-08-31 09:41:02
○NSns2.yourhostingaccount.com2015-06-01 → 2016-07-09 · 4 obs
● 2016-07-09 14:25:24
○ 2026-08-22 12:19:52
○ 2026-08-31 09:41:02
○MXmx.mathdev.com2015-06-01 → 2016-07-09 · 4 obs
● 2016-07-09 14:25:24
○ 2026-08-22 12:19:52
○ 2026-08-31 09:41:02
○A127.0.0.12015-06-01 → 2016-07-09 · 4 obs
● 2016-07-09 14:25:24
○ 2026-08-22 12:19:52
○ 2026-08-31 09:41:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| mathdev.com | ns-489.awsdns-61.com, ns-988.awsdns-59.net, ns-1839.awsdns-37.co.uk, ns-1423.awsdns-49.org | 2 records |
✅ Authoritative Response
Server:205.251.197.143
NS records: ns-489.awsdns-61.com, ns-988.awsdns-59.net, ns-1839.awsdns-37.co.uk, ns-1423.awsdns-49.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mathdev.com (unsigned zone)
⏱️ Timing
Total: 417ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns-489.awsdns-61.com, ns-489.awsdns-61.com)
Analysis
Name Servers
The authoritative name servers for mathdev.com are ns-489.awsdns-61.com, ns-988.awsdns-59.net, ns-1423.awsdns-49.org and ns-1839.awsdns-37.co.uk.
mathdev.com shares at least some of its name servers with other domains, including 196.114.3.in-addr.arpa, voyantlab.com, d2tf4tdrk4ovan.cloudfront.net and two others.
These name servers are frequently seen alongside the name servers ns1-24-ap-northeast-1.ec2-rdns.amazonaws.com, ns2-24-ap-northeast-1.ec2-rdns.amazonaws.com, ns3-24-ap-northeast-1.ec2-rdns.amazonaws.com and ns4-24-ap-northeast-1.ec2-rdns.amazonaws.com.
The host names ns-489.awsdns-61.com, ns-988.awsdns-59.net, ns-1423.awsdns-49.org and ns-1839.awsdns-37.co.uk each resolve to two IP addresses: ns-489.awsdns-61.com resolves to 205.251.193.233 and 2600:9000:5301:e900::1; ns-988.awsdns-59.net resolves to 205.251.195.220 and 2600:9000:5303:dc00::1; ns-1423.awsdns-49.org resolves to 205.251.197.143 and 2600:9000:5305:8f00::1; ns-1839.awsdns-37.co.uk resolves to 205.251.199.47 and 2600:9000:5307:2f00::1.