`rfc-global.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:1a9c^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::ac43:8922^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.26.156^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.137.34^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`eugene.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c48^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eugene.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c348^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`eugene.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2348^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`eugene.ns.cloudflare.com`
		A	108.162.195.72^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eugene.ns.cloudflare.com`
		A	162.159.44.72^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eugene.ns.cloudflare.com`
		A	172.64.35.72^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eugene.ns.cloudflare.com`
NS	`hera.ns.cloudflare.com`
		A	2606:4700:50::adf5:3aa2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hera.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0a2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`hera.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20a2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`hera.ns.cloudflare.com`
		A	108.162.192.162^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hera.ns.cloudflare.com`
		A	172.64.32.162^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hera.ns.cloudflare.com`
		A	173.245.58.162^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hera.ns.cloudflare.com`
MX	`smtp.secureserver.net` ⭐
		A	216.69.141.71^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp01-v01.prod.phx3.secureserver.net`
		A	216.69.141.84^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp02-v01.prod.phx3.secureserver.net`
		A	216.69.141.113^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp03-v01.prod.phx3.secureserver.net`
MX	`mailstore1.secureserver.net`⁽¹⁰⁾
		A	216.69.141.78^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp01-v02.prod.phx3.secureserver.net`
		A	216.69.141.114^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp03-v02.prod.phx3.secureserver.net`
		A	216.69.141.162^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp02-v02.prod.phx3.secureserver.net`
TXT	`D5815981`
TXT	`v=spf1 include:secureserver.net -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.26.156, 172.67.137.34
		IPv6	2606:4700:3030::6815:1a9c, 2606:4700:3032::ac43:8922
SOA	`eugene.ns.cloudflare.com`dns@cloudflare.com serial=2399133309

`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.net`nstld@verisign-grs.com serial=1774513307

Same first word

rfc-global.com

DNS History

12 records (8 active, 4 former)

●NSeugene.ns.cloudflare.com2026-02-19 → 2026-03-26 · 3 obs

○ 2019-12-15 10:06:24
● 2026-02-19 13:22:10
● 2026-03-26 08:44:34

●NShera.ns.cloudflare.com2026-02-19 → 2026-03-26 · 3 obs

○ 2019-12-15 10:06:24
● 2026-02-19 13:22:10
● 2026-03-26 08:44:34

○NSns1.secure-webhosting.com2019-12-15 → 2019-12-15 · 3 obs

● 2019-12-15 10:06:24
○ 2026-02-19 13:22:10
○ 2026-03-26 08:44:34

○NSns2.secure-webhosting.com2019-12-15 → 2019-12-15 · 3 obs

● 2019-12-15 10:06:24
○ 2026-02-19 13:22:10
○ 2026-03-26 08:44:34

○MXmail.rfc-global.com2019-12-15 → 2019-12-15 · 3 obs

● 2019-12-15 10:06:24
○ 2026-02-19 13:22:10
○ 2026-03-26 08:44:34

●MXmailstore1.secureserver.net2026-02-19 → 2026-03-26 · 3 obs

○ 2019-12-15 10:06:24
● 2026-02-19 13:22:10
● 2026-03-26 08:44:34

●MXsmtp.secureserver.net2026-02-19 → 2026-03-26 · 3 obs

○ 2019-12-15 10:06:24
● 2026-02-19 13:22:10
● 2026-03-26 08:44:34

●A104.21.26.1562026-02-19 → 2026-03-26 · 3 obs

○ 2019-12-15 10:06:24
● 2026-02-19 13:22:10
● 2026-03-26 08:44:34

●A172.67.137.342026-02-19 → 2026-03-26 · 3 obs

○ 2019-12-15 10:06:24
● 2026-02-19 13:22:10
● 2026-03-26 08:44:34

○A23.236.62.1472019-12-15 → 2019-12-15 · 3 obs

● 2019-12-15 10:06:24
○ 2026-02-19 13:22:10
○ 2026-03-26 08:44:34

●A2606:4700:3030::6815:1a9c2026-02-19 → 2026-03-26 · 3 obs

○ 2019-12-15 10:06:24
● 2026-02-19 13:22:10
● 2026-03-26 08:44:34

●A2606:4700:3032::ac43:89222026-02-19 → 2026-03-26 · 3 obs

○ 2019-12-15 10:06:24
● 2026-02-19 13:22:10
● 2026-03-26 08:44:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, g.gtld-servers.net, c.gtld-servers.net, i.gtld-servers.net...	-
rfc-global.com	hera.ns.cloudflare.com, eugene.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.72

NS records: hera.ns.cloudflare.com, eugene.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rfc-global.com (unsigned zone)

⏱️ Timing

Total: 612ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.26.156, 172.67.137.34`
AAAA	2	`2606:4700:3030::6815:1a9c, 2606:4700:3032::ac43:8922`
NS	2	`eugene.ns.cloudflare.com, hera.ns.cloudflare.com`
MX	2	`smtp.secureserver.net (pri: 0), mailstore1.secureserver.net (pri: 10)`
TXT	2	`D5815981, v=spf1 include:secureserver.net -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`eugene.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (hera.ns.cloudflare.com, hera.ns.cloudflare.com, hera.ns.cloudflare.com...)

Analysis

IP Addresses

rfc-global.com points to four IP numbers: 2606:4700:3030::6815:1a9c, 2606:4700:3032::ac43:8922, 104.21.26.156 and 172.67.137.34.

Other host names, for instance mail.fenix-progress.ru, freeappstoday.net, mvdagenciademedios.com.ar, hillcresthawkeye.com and child-top-www.hzywx.com share IP numbers with rfc-global.com.

Name Servers

rfc-global.com's delegation is to two name servers eugene.ns.cloudflare.com and hera.ns.cloudflare.com.

rfc-global.com shares the same name server configuration as other domains, such as jsmjapan.com, delamar.org, dekotext.com, salsali.net and 4x4malaysia.com.my.

rfc-global.com at least partially shares its name servers with other domains, for instance 48k81.com, pandamine.ru, jinxlg.com, oo35955.com and piramalphytocare.com.

these name servers are commonly used with the name servers ulla.ns.cloudflare.com, sue.ns.cloudflare.com, bart.ns.cloudflare.com, uma.ns.cloudflare.com and ingrid.ns.cloudflare.com.

Host names with six IP numbers:

eugene.ns.cloudflare.com points to: 2606:4700:58::a29f:2c48, 2803:f800:50::6ca2:c348, 2a06:98c1:50::ac40:2348, 108.162.195.72, 162.159.44.72 and 172.64.35.72.

hera.ns.cloudflare.com points to: 2606:4700:50::adf5:3aa2, 2803:f800:50::6ca2:c0a2, 2a06:98c1:50::ac40:20a2, 108.162.192.162, 172.64.32.162 and 173.245.58.162.

Mail Servers

Two mail servers mailstore1.secureserver.net and smtp.secureserver.net handle rfc-global.com.

rfc-global.com uses the same mail server setup as other domains such as callwhenyoucan.com, bentolsky.com, bigriglightbars.com, airdynamics.co.uk and aaarepo.com.

rfc-global.com shares at least partially some mail servers with other domains, for example dotsavvyhosting.com, ledetadu.com, bccgroup.co.in and chartol.net.

Host names with three IP numbers

The host name mailstore1.secureserver.net points to 216.69.141.78, 216.69.141.114 and 216.69.141.162; the host name smtp.secureserver.net points to 216.69.141.71, 216.69.141.84 and 216.69.141.113

rfc-global.com - robtex.com

rfc-global.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`rfc-global.com`

`com`