yrsf.com - robtex.com
yrsf.com
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=1777294586 | ||||||
Same first word
Similar names
DNS History
8 records (3 active, 5 former)
●NSblue.foundationdns.com2026-04-11 → 2026-04-27 · 3 obs
● 2026-04-11 15:13:06
● 2026-04-27 13:00:18
●NSblue.foundationdns.net2026-04-11 → 2026-04-27 · 3 obs
● 2026-04-11 15:13:06
● 2026-04-27 13:00:18
●NSblue.foundationdns.org2026-04-11 → 2026-04-27 · 3 obs
● 2026-04-11 15:13:06
● 2026-04-27 13:00:18
○NSns1.startlogic.com2015-05-14 → 2017-05-13 · 4 obs
● 2017-05-13 12:51:26
○ 2026-04-11 15:13:06
○ 2026-04-27 13:00:18
○NSns2.startlogic.com2015-05-14 → 2017-05-13 · 4 obs
● 2017-05-13 12:51:26
○ 2026-04-11 15:13:06
○ 2026-04-27 13:00:18
○MXmx.yrsf.com2015-05-14 → 2017-05-13 · 4 obs
● 2017-05-13 12:51:26
○ 2026-04-11 15:13:06
○ 2026-04-27 13:00:18
○A66.96.134.292015-05-14 → 2016-01-14 · 4 obs
● 2016-01-14 16:12:36
○ 2016-04-04 02:06:16
○ 2026-04-27 13:00:18
○A66.96.149.12016-04-04 → 2017-05-13 · 5 obs
● 2016-04-04 02:06:16
● 2017-05-13 12:51:26
○ 2026-04-11 15:13:06
○ 2026-04-27 13:00:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| yrsf.com | blue.foundationdns.com, blue.foundationdns.net, blue.foundationdns.org | 6 records |
✅ Authoritative Response
Server:162.159.60.31
NS records: blue.foundationdns.com, blue.foundationdns.net, blue.foundationdns.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for yrsf.com (unsigned zone)
⏱️ Timing
Total: 643ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | blue.foundationdns.com, blue.foundationdns.net... |
| MX | 1 | . (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | blue.foundationdns.com dns.cloudflare.co |
📌 Glue Records Collected
Total: 6
Out-of-bailiwick: 6 (blue.foundationdns.com, blue.foundationdns.com, blue.foundationdns.com...)
Analysis
Name Servers
yrsf.com is delegated to three name servers: blue.foundationdns.com, blue.foundationdns.net and blue.foundationdns.org.
yrsf.com at least partially shares its name servers with other domains, for instance ogilvyearlycareers.com, minnisinhaship.com, intranet.uuhsc.utah.edu, groupon.dk and studentgroups.utah.edu.
These name servers are commonly paired with dns1.p01.nsone.net, dns2.p01.nsone.net, dns3.p01.nsone.net, dns4.p01.nsone.net, ns.utah.edu, blue, fiber.utah.edu, ns5.utah.edu and ns6.utah.edu.
Host names with six IP numbers:
blue.foundationdns.com has IPs 2606:4700:57::6ca2:c601, 2803:f800:52::a29f:3c01, 2a06:98c1:56::ac40:2801, 108.162.198.1, 162.159.60.1 and 172.64.40.1.
blue.foundationdns.net has IPs 2606:4700:57::6ca2:c61f, 2803:f800:52::a29f:3c1f, 2a06:98c1:56::ac40:281f, 108.162.198.31, 162.159.60.31 and 172.64.40.31.
blue.foundationdns.org has IPs 2606:4700:57::6ca2:c63d, 2803:f800:52::a29f:3c3d, 2a06:98c1:56::ac40:283d, 108.162.198.61, 162.159.60.61 and 172.64.40.61.