rrdc.info - robtex.com
rrdc.info
| DNSSEC | ⚠️ Not signed | ||||||
| A | 128.210.7.254🇺🇸 ASN17128.210.0.0/16 Purdue University | ||||||
| PTR | purduemesonet.org | ||||||
| PTR | tranlabrna.org | ||||||
| PTR | learn.pfw.edu | ||||||
| PTR | stream.pfw.edu | ||||||
| PTR | redirect.www.purdue.edu | ||||||
| NS | ns3.purdue.edu ⭐ | ||||||
| A | 2001:18e8:800:200::a🇺🇸 ASN172001:18e8:800::/44 Purdue University | ||||||
| A | 128.210.224.226🇺🇸 ASN17128.210.0.0/16 Purdue University | ||||||
| NS | ns4.purdue.edu | ||||||
| A | 2001:18e8:800:201::a🇺🇸 ASN172001:18e8:800::/44 Purdue University | ||||||
| PTR | ns4.purdue.edu | ||||||
| A | 128.210.224.234🇺🇸 ASN17128.210.0.0/16 Purdue University | ||||||
| PTR | ns4.purdue.edu | ||||||
| NS | ns5.purdue.edu | ||||||
| A | 20.241.160.48🇺🇸 Microsoft20.192.0.0/10 | ||||||
| TXT | Contacts=Mary Breidenbach,mabreide@purdue.edu;Shelly Surber,surber@purdue.edu; | ||||||
| SOA | ns3.purdue.eduhostmaster@purdue.edu serial=726238981 | ||||||
info
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.info.afilias-nst.info ⭐ | ||||||
| NS | a2.info.afilias-nst.info | ||||||
| NS | b0.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| NS | b2.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| NS | c0.info.afilias-nst.info | ||||||
| NS | d0.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| SOA | a0.info.afilias-nst.infohostmaster@donuts.email serial=1774481488 | ||||||
Same first word
Similar names
DNS History
7 records (4 active, 3 former)
○NSns1.msstate.edu2015-07-17 → 2016-10-07 · 4 obs
● 2016-10-07 22:34:38
○ 2026-02-17 09:35:00
○ 2026-03-25 23:56:48
○NSns2.msstate.edu2015-07-17 → 2016-10-07 · 4 obs
● 2016-10-07 22:34:38
○ 2026-02-17 09:35:00
○ 2026-03-25 23:56:48
●NSns3.purdue.edu2026-02-17 → 2026-03-25 · 3 obs
● 2026-02-17 09:35:00
● 2026-03-25 23:56:48
●NSns4.purdue.edu2026-02-17 → 2026-03-25 · 3 obs
● 2026-02-17 09:35:00
● 2026-03-25 23:56:48
●NSns5.purdue.edu2026-02-17 → 2026-03-25 · 3 obs
● 2026-02-17 09:35:00
● 2026-03-25 23:56:48
●A128.210.7.2542026-02-17 → 2026-03-25 · 3 obs
● 2026-02-17 09:35:00
● 2026-03-25 23:56:48
○A130.18.74.1782015-07-17 → 2016-10-07 · 4 obs
● 2016-10-07 22:34:38
○ 2026-02-17 09:35:00
○ 2026-03-25 23:56:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| info | a0.info.afilias-nst.info, c0.info.afilias-nst.info, a2.info.afilias-nst.info | - |
✅ Authoritative Response
Server:199.249.113.1
NS records: a0.info.afilias-nst.info, c0.info.afilias-nst.info, a2.info.afilias-nst.info
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 388ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
Analysis
IP Addresses
rrdc.info points to a single IP address: 128.210.7.254.
Other host names such as picsnetwork.org, tickinsiders.com, discoverypark.purdue.edu, ppdl.purdue.edu and cancerresearch.purdue.edu share IPs with rrdc.info.
Name Servers
rrdc.info is delegated to three name servers: ns3.purdue.edu, ns4.purdue.edu and ns5.purdue.edu.
rrdc.info at least partially shares name servers with other domains, for example discoverypark.purdue.edu, starproviders.org, mrtf.org, purduemep.com and ppdl.purdue.edu.
these name servers commonly pair with ns1.rice.edu, ns2.rice.edu, pendragon.cs.purdue.edu and harbor.ecn.purdue.edu.
Host names with two IPs:
ns3.purdue.edu points to 2001:18e8:800:200::a and 128.210.224.226.
ns4.purdue.edu points to 2001:18e8:800:201::a and 128.210.224.234.
Host names with one IP:
ns5.purdue.edu points to 20.241.160.48.