mdass.com - robtex.com
mdass.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2600:1f18:7d0a:7b00:290f:89e5:a155:9c1f🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix | ||||||
| A | 98.85.4.4🇺🇸 Amazon98.80.0.0/13 EC2 IAD Prefix | ||||||
| NS | ns-752.awsdns-30.net ⭐ | ||||||
| A | 2600:9000:5302:f000::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront | ||||||
| PTR | ns-752.awsdns-30.net | ||||||
| A | 205.251.194.240🇺🇸 Amazon205.251.194.0/24 prefix | ||||||
| PTR | ns-752.awsdns-30.net | ||||||
| NS | ns-1477.awsdns-56.org | ||||||
| A | 2600:9000:5305:c500::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront | ||||||
| PTR | ns-1477.awsdns-56.org | ||||||
| A | 205.251.197.197🇺🇸 Amazon205.251.197.0/24 prefix | ||||||
| PTR | ns-1477.awsdns-56.org | ||||||
| NS | ns-1615.awsdns-09.co.uk | ||||||
| A | 2600:9000:5306:4f00::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront | ||||||
| PTR | ns-1615.awsdns-09.co.uk | ||||||
| A | 205.251.198.79🇺🇸 Amazon205.251.198.0/24 prefix | ||||||
| NS | ns-449.awsdns-56.com | ||||||
| A | 2600:9000:5301:c100::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront | ||||||
| PTR | ns-449.awsdns-56.com | ||||||
| A | 205.251.193.193🇺🇸 Amazon205.251.193.0/24 prefix | ||||||
| PTR | ns-449.awsdns-56.com | ||||||
| SOA | ns-752.awsdns-30.netawsdns-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=1784804717 | ||||||
Previously MX for
mdass.com |
Same first word
Similar names
DNS History
11 records (6 active, 5 former)
●NSns-1477.awsdns-56.org2026-07-01 → 2026-07-23 · 3 obs
● 2026-07-01 21:01:48
● 2026-07-23 11:08:34
●NSns-1615.awsdns-09.co.uk2026-07-01 → 2026-07-23 · 3 obs
● 2026-07-01 21:01:48
● 2026-07-23 11:08:34
●NSns-449.awsdns-56.com2026-07-01 → 2026-07-23 · 3 obs
● 2026-07-01 21:01:48
● 2026-07-23 11:08:34
●NSns-752.awsdns-30.net2026-07-01 → 2026-07-23 · 3 obs
● 2026-07-01 21:01:48
● 2026-07-23 11:08:34
○NSns2317.hostgator.com2015-06-18 → 2020-03-07 · 4 obs
● 2020-03-07 02:53:50
○ 2026-07-01 21:01:48
○ 2026-07-23 11:08:34
○NSns2318.hostgator.com2015-06-18 → 2020-03-07 · 4 obs
● 2020-03-07 02:53:50
○ 2026-07-01 21:01:48
○ 2026-07-23 11:08:34
○NSns8015.hostgator.com2015-06-18 → 2020-03-07 · 4 obs
● 2020-03-07 02:53:50
○ 2026-07-01 21:01:48
○ 2026-07-23 11:08:34
○MXmdass.com2015-06-18 → 2020-03-07 · 4 obs
● 2020-03-07 02:53:50
○ 2026-07-01 21:01:48
○ 2026-07-23 11:08:34
○A192.185.16.632015-06-18 → 2020-03-07 · 4 obs
● 2020-03-07 02:53:50
○ 2026-07-01 21:01:48
○ 2026-07-23 11:08:34
●A2600:1f18:7d0a:7b00:290f:89e5:a155:9c1f2026-07-01 → 2026-07-23 · 3 obs
● 2026-07-01 21:01:48
● 2026-07-23 11:08:34
●A98.85.4.42026-07-01 → 2026-07-23 · 3 obs
● 2026-07-01 21:01:48
● 2026-07-23 11:08:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | f.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net, b.gtld-servers.net... | - |
| mdass.com | ns-752.awsdns-30.net, ns-449.awsdns-56.com, ns-1615.awsdns-09.co.uk, ns-1477.awsdns-56.org | 2 records |
✅ Authoritative Response
Server:205.251.197.197
NS records: ns-752.awsdns-30.net, ns-449.awsdns-56.com, ns-1615.awsdns-09.co.uk, ns-1477.awsdns-56.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mdass.com (unsigned zone)
⏱️ Timing
Total: 381ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 98.85.4.4 |
| AAAA | 1 | 2600:1f18:7d0a:7b00:290f:89e5:a155:9c1f |
| NS | 4 | ns-1477.awsdns-56.org, ns-1615.awsdns-09.co.uk... |
| SOA | 1 | ns-752.awsdns-30.net awsdns-hostmaster.a |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns-449.awsdns-56.com, ns-449.awsdns-56.com)
Analysis
IP Addresses
mdass.com has two IP addresses: 98.85.4.4 and 2600:1f18:7d0a:7b00:290f:89e5:a155:9c1f
Name Servers
The authoritative name servers for mdass.com are ns-449.awsdns-56.com, ns-752.awsdns-30.net, ns-1477.awsdns-56.org and ns-1615.awsdns-09.co.uk.
There is at least partial name server overlap between mdass.com and other domains — dukeswalk.net, psicowebnicaragua.com, foradian.org and two more among them.
These name servers are routinely deployed together with the name servers ns-1740.awsdns-25.co.uk.
All four hostnames — ns-449.awsdns-56.com, ns-752.awsdns-30.net, ns-1477.awsdns-56.org and ns-1615.awsdns-09.co.uk — resolve to two IP numbers apiece: ns-449.awsdns-56.com to 205.251.193.193 and 2600:9000:5301:c100::1; ns-752.awsdns-30.net to 205.251.194.240 and 2600:9000:5302:f000::1; ns-1477.awsdns-56.org to 205.251.197.197 and 2600:9000:5305:c500::1; ns-1615.awsdns-09.co.uk to 205.251.198.79 and 2600:9000:5306:4f00::1.