mfchang.org - robtex.com
mfchang.org
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=1775171245 | ||||||
Same first word
mfchang.org |
DNS History
15 records (5 active, 10 former)
○NSns57.domaincontrol.com2015-07-15 → 2017-11-11 · 4 obs
● 2017-11-11 18:59:12
○ 2026-03-30 23:40:56
○ 2026-04-02 23:34:50
○NSns58.domaincontrol.com2015-07-15 → 2017-11-11 · 4 obs
● 2017-11-11 18:59:12
○ 2026-03-30 23:40:56
○ 2026-04-02 23:34:50
●NSpdns03.domaincontrol.com2026-03-30 → 2026-04-02 · 3 obs
● 2026-03-30 23:40:56
● 2026-04-02 23:34:50
●NSpdns04.domaincontrol.com2026-03-30 → 2026-04-02 · 3 obs
● 2026-03-30 23:40:56
● 2026-04-02 23:34:50
○MXalt1.aspmx.l.google.com2015-07-15 → 2017-11-11 · 4 obs
● 2017-11-11 18:59:12
○ 2026-03-30 23:40:56
○ 2026-04-02 23:34:50
○MXalt2.aspmx.l.google.com2015-07-15 → 2017-11-11 · 4 obs
● 2017-11-11 18:59:12
○ 2026-03-30 23:40:56
○ 2026-04-02 23:34:50
○MXaspmx.l.google.com2015-07-15 → 2017-11-11 · 4 obs
● 2017-11-11 18:59:12
○ 2026-03-30 23:40:56
○ 2026-04-02 23:34:50
○MXaspmx2.googlemail.com2015-07-15 → 2017-11-11 · 4 obs
● 2017-11-11 18:59:12
○ 2026-03-30 23:40:56
○ 2026-04-02 23:34:50
○MXaspmx3.googlemail.com2015-07-15 → 2017-11-11 · 4 obs
● 2017-11-11 18:59:12
○ 2026-03-30 23:40:56
○ 2026-04-02 23:34:50
○MXaspmx4.googlemail.com2015-07-15 → 2017-11-11 · 4 obs
● 2017-11-11 18:59:12
○ 2026-03-30 23:40:56
○ 2026-04-02 23:34:50
○MXaspmx5.googlemail.com2015-07-15 → 2017-11-11 · 4 obs
● 2017-11-11 18:59:12
○ 2026-03-30 23:40:56
○ 2026-04-02 23:34:50
●MXsmtp.google.com2026-03-30 → 2026-04-02 · 3 obs
● 2026-03-30 23:40:56
● 2026-04-02 23:34:50
●A15.197.225.1282026-03-30 → 2026-04-02 · 3 obs
● 2026-03-30 23:40:56
● 2026-04-02 23:34:50
●A3.33.251.1682026-03-30 → 2026-04-02 · 3 obs
● 2026-03-30 23:40:56
● 2026-04-02 23:34:50
○A50.63.202.292015-07-15 → 2017-11-11 · 4 obs
● 2017-11-11 18:59:12
○ 2026-03-30 23:40:56
○ 2026-04-02 23:34:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| mfchang.org | pdns03.domaincontrol.com, pdns04.domaincontrol.com | - |
✅ Authoritative Response
Server:97.74.111.51
NS records: pdns03.domaincontrol.com, pdns04.domaincontrol.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 450ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 15.197.225.128, 3.33.251.168 |
| NS | 2 | pdns03.domaincontrol.com, pdns04.domaincontrol.com |
| MX | 1 | smtp.google.com (pri: 1) |
| TXT | 1 | v=spf1 include:_spf.google.com ~all |
| SOA | 1 | pdns03.domaincontrol.com dns.jomax.net |
Analysis
IP Addresses
mfchang.org resolves to two IP numbers: 3.33.251.168 and 15.197.225.128.
other host names including yihao.org, mydaughtersdoultons.com, consultingit.net, launchfcu.com and cepheid.in share IP numbers with mfchang.org.
Name Servers
mfchang.org is delegated to two name servers pdns03.domaincontrol.com and pdns04.domaincontrol.com.
mfchang.org shares the same name server setup as other domains, for instance munialerts.info, slbees.com, angledusb.com, undb.com and dermelc.com.
mfchang.org shares at least some name servers with other domains, for example spamquarantine.com, 42387e.com and vwhub.com.
Host names with two IP numbers:
The host name pdns03.domaincontrol.com points to 2603:5:21f0::33 and 97.74.111.51; the host name pdns04.domaincontrol.com points to 2603:5:22f0::33 and 173.201.79.51.
Mail Servers
mfchang.org is handled by a single mail server, smtp.google.com.
mfchang.org shares the same mail server setup as other domains, for instance walkerinterpret.com, reads.it, yinzer.tech, deisgroup.com and space-office-lab.com.
mfchang.org shares some mail servers with other domains, at least partially, for instance omearagroup.com, the-star.co.ke, scanlonconstruction.com, nerdiq.net and 3mtourism.com.
these mail servers are commonly used with the mail servers aspmx.l.google.com.
smtp.google.com points to nine IPs: 2607:f8b0:4004:c06::1a, 2607:f8b0:4004:c06::1b, 2607:f8b0:4004:c25::1a, 2607:f8b0:4004:c25::1b, 172.253.115.26, 172.253.115.27, 172.253.122.26, 192.178.218.26 and 192.178.218.27.