grcf.com - robtex.com
grcf.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns43.worldnic.com ⭐ | ||||||
| A | 162.159.26.111Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns44.worldnic.com | ||||||
| A | 162.159.27.50Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| MX | mail.grcf.com ⭐ | ||||||
| A | 64.150.187.234 | ||||||
| SOA | NS43.WORLDNIC.comnamehost@WORLDNIC.com serial=111010408 | ||||||
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=1776943917 | ||||||
Subdomains
mail.grcf.com |
Same first word
Similar names
DNS History
4 records (3 active, 1 former)
●NSns43.worldnic.com2015-08-20 → 2026-04-23 · 2 obs
● 2026-04-23 11:44:10
●NSns44.worldnic.com2015-08-20 → 2026-04-23 · 2 obs
● 2026-04-23 11:44:10
●MXmail.grcf.com2015-08-20 → 2026-04-23 · 2 obs
● 2026-04-23 11:44:10
○A208.91.197.272015-08-20 → 2026-02-17 · 4 obs
● 2026-02-17 09:40:24
○ 2026-03-06 01:30:04
○ 2026-04-23 11:44:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| grcf.com | ns43.worldnic.com, ns44.worldnic.com | 2 records |
✅ Authoritative Response
Server:162.159.27.50
NS records: ns43.worldnic.com, ns44.worldnic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for grcf.com (unsigned zone)
⏱️ Timing
Total: 1784ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 208.91.197.27 |
| NS | 2 | ns44.worldnic.com, ns43.worldnic.com |
| MX | 1 | mail.grcf.com (pri: 10) |
| SOA | 1 | NS43.WORLDNIC.com namehost.WORLDNIC.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns43.worldnic.com, ns44.worldnic.com)
Analysis
Hierarchy
The parent of mail.grcf.com is grcf.com.
Name Servers
Two name servers ns43.worldnic.com and ns44.worldnic.com handle the delegation for grcf.com.
grcf.com shares the same name server setup as other domains, for example sekpc.com, deerfield-il.org, roosens.com, sjcparks.org and polulak.co.
Host names with one IP number:
ns43.worldnic.com points to 162.159.26.111; ns44.worldnic.com points to 162.159.27.50.
Mail Servers
The mail.grcf.com mail server handles grcf.com.
mail.grcf.com points to a single IP number: 64.150.187.234.