phdchousing.org - robtex.com
phdchousing.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 71.19.146.38🇺🇸 PRGMRCOM-171.19.146.0/24 prgmr.com, Inc | ||||||
| PTR | voyage.xen.prgmr.com | ||||||
| NS | ns1.vultr.com ⭐ ⚠️ Not in zone NS records | ||||||
| A | 2001:19f0:ccc::1🇺🇸 AS-VULTR2001:19f0:ccc::/48 DNS1 | ||||||
| A | 2001:19f0:ccd::1🇺🇸 AS-VULTR2001:19f0:ccd::/48 Vultr Assigned Prefix | ||||||
| PTR | ns1.vultr.com | ||||||
| A | 173.199.96.96🇺🇸 AS-VULTR173.199.96.0/24 Vultr Assigned Prefix | ||||||
| PTR | ns1.vultrusercontent.com | ||||||
| NS | ns2.vultr.com ⚠️ Not in zone NS records | ||||||
| A | 2001:19f0:ccc::2🇺🇸 AS-VULTR2001:19f0:ccc::/48 DNS1 | ||||||
| A | 2001:19f0:ccd::2🇺🇸 AS-VULTR2001:19f0:ccd::/48 Vultr Assigned Prefix | ||||||
| PTR | ns2.vultr.com | ||||||
| A | 173.199.96.97🇺🇸 AS-VULTR173.199.96.0/24 Vultr Assigned Prefix | ||||||
| PTR | ns2.vultrusercontent.com | ||||||
| MX | mail.phdchousing.org ⭐ | ||||||
| A | 71.19.146.38🇺🇸 PRGMRCOM-171.19.146.0/24 prgmr.com, Inc | ||||||
| PTR | voyage.xen.prgmr.com | ||||||
| SOA | ns1.vultr.comdnsadm@choopa.com serial=0 | ||||||
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=1774387506 | ||||||
Subdomains
Same first word
phdchousing.org |
DNS History
8 records (4 active, 4 former)
●NSns1.vultr.com2026-02-16 → 2026-03-24 · 3 obs
● 2026-02-16 15:23:52
● 2026-03-24 21:34:50
●NSns2.vultr.com2026-02-16 → 2026-03-24 · 3 obs
● 2026-02-16 15:23:52
● 2026-03-24 21:34:50
○NSns35.domaincontrol.com2015-09-02 → 2017-09-05 · 4 obs
● 2017-09-05 10:12:40
○ 2026-02-16 15:23:52
○ 2026-03-24 21:34:50
○NSns36.domaincontrol.com2015-09-02 → 2017-09-05 · 4 obs
● 2017-09-05 10:12:40
○ 2026-02-16 15:23:52
○ 2026-03-24 21:34:50
●MXmail.phdchousing.org2015-09-02 → 2026-03-24 · 2 obs
● 2026-03-24 21:34:50
○MXsmtp.phdchousing.org2015-09-02 → 2017-09-05 · 4 obs
● 2017-09-05 10:12:40
○ 2026-02-16 15:23:52
○ 2026-03-24 21:34:50
○A192.186.209.1292015-09-02 → 2017-09-05 · 4 obs
● 2017-09-05 10:12:40
○ 2026-02-16 15:23:52
○ 2026-03-24 21:34:50
●A71.19.146.382026-02-16 → 2026-03-24 · 3 obs
● 2026-02-16 15:23:52
● 2026-03-24 21:34:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| phdchousing.org | ns1.vultr.com, ns2.vultr.com | - |
✅ Authoritative Response
Server:173.199.96.96
NS records: ns1.vultr.com, ns2.vultr.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for phdchousing.org (unsigned zone)
⏱️ Timing
Total: 346ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 71.19.146.38 |
| MX | 1 | mail.phdchousing.org (pri: 10) |
| SOA | 1 | ns1.vultr.com dnsadm.choopa.com |
Analysis
Hierarchy
phdchousing.org is a parent of www.phdchousing.org and mail.phdchousing.org.
IP Addresses
phdchousing.org points to a single IP number: 71.19.146.38.
Other host names, for instance mx1.chazakonline.com, dandilionwellness.com, the-wildwoods.com, mail.optionbinaire-avis.net and meshnode.org share IP numbers with phdchousing.org.
Name Servers
phdchousing.org is delegated to two name servers: ns1.vultr.com and ns2.vultr.com.
phdchousing.org uses the same name server setup as other domains, for instance bolu-rehberi.com, opmmax.com, woestijnroos.info, wa-serv.com and behappi.org.
phdchousing.org shares name servers with other domains at least partially, for instance dfs-host.com, doctor-george.net, anyway-traveload.com, drkolstad.com and atoztech.com.au.
these name servers are often used with ns1.wpdns.host, ns2.wpdns.host and ns3.wpdns.host.
Host names with three IP numbers: ns1.vultr.com points to 2001:19f0:ccc::1, 2001:19f0:ccd::1 and 173.199.96.96; ns2.vultr.com points to 2001:19f0:ccc::2, 2001:19f0:ccd::2 and 173.199.96.97.
Mail Servers
The mail server for phdchousing.org is mail.phdchousing.org.
Host name mail.phdchousing.org resolves to IP 71.19.146.38.