greyfour.com - robtex.com
greyfour.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3034::6815:58c1🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:ba8c🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.88.193Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.186.140🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | katelyn.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::a29f:26eb🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | katelyn.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2eb🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | katelyn.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22eb🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | katelyn.ns.cloudflare.com | ||||||
| A | 108.162.194.235🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | katelyn.ns.cloudflare.com | ||||||
| A | 162.159.38.235Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | katelyn.ns.cloudflare.com | ||||||
| A | 172.64.34.235🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | katelyn.ns.cloudflare.com | ||||||
| NS | valentin.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2cce🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | valentin.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c3ce🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | valentin.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:23ce🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | valentin.ns.cloudflare.com | ||||||
| A | 108.162.195.206🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | valentin.ns.cloudflare.com | ||||||
| A | 162.159.44.206Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | valentin.ns.cloudflare.com | ||||||
| A | 172.64.35.206🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | valentin.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.88.193, 172.67.186.140 | ||||||
| IPv6 | 2606:4700:3034::6815:58c1, 2606:4700:3037::ac43:ba8c | ||||||
| SOA | katelyn.ns.cloudflare.comdns@cloudflare.com serial=2399057665 | ||||||
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=1771291435 | ||||||
Same first word
greyfour.com |
Similar names
DNS History
9 records (6 active, 3 former)
○NSdns1.hichina.com2017-03-13 → 2017-03-13 · 3 obs
○ 2026-02-15 14:40:32
○ 2026-03-24 09:29:12
○NSdns2.hichina.com2017-03-13 → 2017-03-13 · 3 obs
○ 2026-02-15 14:40:32
○ 2026-03-24 09:29:12
●NSkatelyn.ns.cloudflare.com2026-02-15 → 2026-03-24 · 3 obs
● 2026-02-15 14:40:32
● 2026-03-24 09:29:12
●NSvalentin.ns.cloudflare.com2026-02-15 → 2026-03-24 · 3 obs
● 2026-02-15 14:40:32
● 2026-03-24 09:29:12
○MXmxn.mxhichina.com2017-03-13 → 2026-02-15 · 4 obs
● 2026-02-15 15:54:30
○ 2026-03-12 17:35:22
○ 2026-03-24 09:29:12
●A104.21.88.1932026-02-15 → 2026-03-24 · 2 obs
● 2026-03-24 09:29:12
●A172.67.186.1402026-02-15 → 2026-03-24 · 2 obs
● 2026-03-24 09:29:12
●A2606:4700:3034::6815:58c12026-02-15 → 2026-03-24 · 2 obs
● 2026-03-24 09:29:12
●A2606:4700:3037::ac43:ba8c2026-02-15 → 2026-03-24 · 2 obs
● 2026-03-24 09:29:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| greyfour.com | katelyn.ns.cloudflare.com, valentin.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.194.235
NS records: katelyn.ns.cloudflare.com, valentin.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for greyfour.com (unsigned zone)
⏱️ Timing
Total: 139ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.88.193, 172.67.186.140 |
| AAAA | 2 | 2606:4700:3034::6815:58c1, 2606:4700:3037::ac43:ba8c |
| NS | 2 | katelyn.ns.cloudflare.com, valentin.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | katelyn.ns.cloudflare.com dns.cloudflare |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (katelyn.ns.cloudflare.com, katelyn.ns.cloudflare.com, katelyn.ns.cloudflare.com...)
Analysis
IP Addresses
greyfour.com points to four IP numbers: 2606:4700:3034::6815:58c1, 2606:4700:3037::ac43:ba8c, 104.21.88.193 and 172.67.186.140.
Other host names including classduo.com, ns2.1n3r.com, pro-blockchain.com, cdn.realitytvshrine.com and thebetadviser.co.uk share IP numbers with greyfour.com.
Name Servers
greyfour.com's delegation uses two name servers, katelyn.ns.cloudflare.com and valentin.ns.cloudflare.com.
greyfour.com shares the same name server setup as other domains, for example rrip.cn, andacpa.cn, jonaswojcik.com, moonlightfl.com and zeoo.cn.
greyfour.com at least partially shares name servers with other domains, including razko.nl, barrybryant.com, rbc2000.pe.kr, summitpointtechnologies.life and bridgeworkblogs.com.
these name servers are commonly used with arturo.ns.cloudflare.com, poppy.ns.cloudflare.com, christian.ns.cloudflare.com and reese.ns.cloudflare.com.
Host names with six IP numbers:
katelyn.ns.cloudflare.com points to: 2606:4700:50::a29f:26eb, 2803:f800:50::6ca2:c2eb, 2a06:98c1:50::ac40:22eb, 108.162.194.235, 162.159.38.235 and 172.64.34.235.
valentin.ns.cloudflare.com points to: 2606:4700:58::a29f:2cce, 2803:f800:50::6ca2:c3ce, 2a06:98c1:50::ac40:23ce, 108.162.195.206, 162.159.44.206 and 172.64.35.206.