mdguidelines.org - robtex.com
mdguidelines.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 204.74.99.100🇺🇸 MAINT-ID-12008204.74.99.0/24 Neustar | ||||||
| PTR | crs.ultradns.net | ||||||
| NS | ns1-us.alight.com ⭐ | ||||||
| A | 204.152.232.53🇺🇸 Amazon204.152.232.0/24 EC2 Prefix | ||||||
| PTR | ns1-us.alight.com | ||||||
| NS | ns1-eu.alight.com | ||||||
| A | 204.152.234.53🇺🇸 Amazon204.152.234.0/24 EC2 Prefix | ||||||
| PTR | ns1-eu.alight.com | ||||||
| NS | ns2-eu.alight.net | ||||||
| A | 204.152.234.153🇺🇸 Amazon204.152.234.0/24 EC2 Prefix | ||||||
| PTR | ns2-eu.alight.net | ||||||
| NS | ns2-us.alight.net | ||||||
| A | 204.152.233.53🇺🇸 Amazon204.152.233.0/24 EC2 Prefix | ||||||
| PTR | ns2-us.alight.net | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns1-us.alight.comdomain_master@alight.com 2021-01-21 #41 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1783434437 | ||||||
Same first word
mdguidelines.info |
mdguidelines.org |
mdguidelines.net |
mdguidelines.com |
DNS History
11 records (5 active, 6 former)
●NSns1-eu.alight.com2026-06-15 → 2026-07-07 · 3 obs
● 2026-06-15 09:53:24
● 2026-07-07 14:45:22
●NSns1-us.alight.com2026-06-15 → 2026-07-07 · 3 obs
● 2026-06-15 09:53:24
● 2026-07-07 14:45:22
○NSns1.domaindiscover.com2015-05-11 → 2017-04-19 · 4 obs
● 2017-04-19 22:47:38
○ 2026-06-15 09:53:24
○ 2026-07-07 14:45:22
●NSns2-eu.alight.net2026-06-15 → 2026-07-07 · 3 obs
● 2026-06-15 09:53:24
● 2026-07-07 14:45:22
●NSns2-us.alight.net2026-06-15 → 2026-07-07 · 3 obs
● 2026-06-15 09:53:24
● 2026-07-07 14:45:22
○NSns2.domaindiscover.com2015-05-11 → 2017-04-19 · 4 obs
● 2017-04-19 22:47:38
○ 2026-06-15 09:53:24
○ 2026-07-07 14:45:22
○MXmx1.daemonmail.net2015-05-11 → 2017-04-19 · 4 obs
● 2017-04-19 22:47:38
○ 2026-06-15 09:53:24
○ 2026-07-07 14:45:22
○MXmx2.daemonmail.net2015-05-11 → 2017-04-19 · 4 obs
● 2017-04-19 22:47:38
○ 2026-06-15 09:53:24
○ 2026-07-07 14:45:22
●A204.74.99.1002026-06-15 → 2026-07-07 · 3 obs
● 2026-06-15 09:53:24
● 2026-07-07 14:45:22
○A216.104.165.242015-05-11 → 2017-04-19 · 4 obs
● 2017-04-19 22:47:38
○ 2026-06-15 09:53:24
○ 2026-07-07 14:45:22
○A216.104.165.842015-05-11 → 2017-04-19 · 4 obs
● 2017-04-19 22:47:38
○ 2026-06-15 09:53:24
○ 2026-07-07 14:45:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | d0.org.afilias-nst.org, b0.org.afilias-nst.org, b2.org.afilias-nst.org | - |
| mdguidelines.org | ns1-eu.alight.com, ns2-us.alight.net, ns2-eu.alight.net, ns1-us.alight.com | - |
✅ Authoritative Response
Server:204.152.232.53
NS records: ns1-eu.alight.com, ns2-us.alight.net, ns2-eu.alight.net, ns1-us.alight.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mdguidelines.org (unsigned zone)
⏱️ Timing
Total: 551ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 204.74.99.100 |
| NS | 4 | ns2-us.alight.net, ns2-eu.alight.net... |
| MX | 1 | . (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns1-us.alight.com domain_master.alight.c |
Analysis
IP Addresses
mdguidelines.org has exactly one IP address — 204.74.99.100.
wwwtwdirect.net, bio-medcentral.com, thedesignory.info plus two other host names have IP numbers in common with mdguidelines.org.
Name Servers
Four name servers handle the delegation for mdguidelines.org: ns1-eu.alight.com, ns1-us.alight.com, ns2-eu.alight.net and ns2-us.alight.net.
mdguidelines.org shares at least some of its name servers with other domains, including medicaldecisionsupport.com, alighthighereducationsolutions.com, cliffsbenefits.com and two others.
Four host names, each with one IP address: ns1-eu.alight.com has 204.152.234.53, ns1-us.alight.com has 204.152.232.53, ns2-eu.alight.net has 204.152.234.153 and ns2-us.alight.net has 204.152.233.53.