`sfoassociation.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:6d6^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:874c^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.6.214^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.135.76^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`coraline.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2658^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coraline.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c258^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`coraline.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2258^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`coraline.ns.cloudflare.com`
		A	108.162.194.88^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coraline.ns.cloudflare.com`
		A	162.159.38.88^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coraline.ns.cloudflare.com`
		A	172.64.34.88^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coraline.ns.cloudflare.com`
NS	`cory.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b5d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cory.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c15d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`cory.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:215d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`cory.ns.cloudflare.com`
		A	108.162.193.93^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cory.ns.cloudflare.com`
		A	172.64.33.93^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cory.ns.cloudflare.com`
		A	173.245.59.93^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cory.ns.cloudflare.com`
MX	`mx2.zoho.com` ⭐
		A	204.141.33.44^{🇺🇸 ZohoAS204.141.32.0/23 PNAP-DAL CASE00103239}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx6.zoho.com`
			PTR	`mx7.zoho.com`
			PTR	`mx8.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
MX	`mx3.zoho.com`⁽²⁰⁾
		A	136.143.191.44^{🇺🇸 ZohoAS136.143.190.0/23 Zoho Corporation}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
MX	`mx.zoho.com`⁽⁵⁰⁾
		A	136.143.191.44^{🇺🇸 ZohoAS136.143.190.0/23 Zoho Corporation}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
		A	204.141.33.44^{🇺🇸 ZohoAS204.141.32.0/23 PNAP-DAL CASE00103239}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx6.zoho.com`
			PTR	`mx7.zoho.com`
			PTR	`mx8.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
TXT	`v=spf1 include:zohomail.com ~all`
TXT	`zoho-verification=zb80765066.zmverify.zoho.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.6.214, 172.67.135.76
		IPv6 hints	2606:4700:3033::6815:6d6, 2606:4700:3037::ac43:874c
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=117, name=cloudflare-ech.com
SOA	`coraline.ns.cloudflare.com`dns@cloudflare.com serial=2401548543

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1777001106

Subdomains

www.sfoassociation.org

DNS History

14 records (9 active, 5 former)

●NScoraline.ns.cloudflare.com2026-04-24 → 2026-04-24 · 2 obs

○ 2019-03-02 03:46:50
● 2026-04-24 03:33:02

●NScory.ns.cloudflare.com2026-04-24 → 2026-04-24 · 2 obs

○ 2019-03-02 03:46:50
● 2026-04-24 03:33:02

○NSns25.domaincontrol.com2015-05-09 → 2019-03-02 · 3 obs

● 2015-05-09 19:50:36
● 2019-03-02 03:46:50
○ 2026-04-24 03:33:02

○NSns26.domaincontrol.com2015-05-09 → 2019-03-02 · 3 obs

● 2015-05-09 19:50:36
● 2019-03-02 03:46:50
○ 2026-04-24 03:33:02

○MXmailstore1.secureserver.net2015-05-09 → 2019-03-02 · 3 obs

● 2015-05-09 19:50:36
● 2019-03-02 03:46:50
○ 2026-04-24 03:33:02

●MXmx.zoho.com2026-04-24 → 2026-04-24 · 2 obs

○ 2019-03-02 03:46:50
● 2026-04-24 03:33:02

●MXmx2.zoho.com2026-04-24 → 2026-04-24 · 2 obs

○ 2019-03-02 03:46:50
● 2026-04-24 03:33:02

●MXmx3.zoho.com2026-04-24 → 2026-04-24 · 2 obs

○ 2019-03-02 03:46:50
● 2026-04-24 03:33:02

○MXsmtp.secureserver.net2015-05-09 → 2019-03-02 · 3 obs

● 2015-05-09 19:50:36
● 2019-03-02 03:46:50
○ 2026-04-24 03:33:02

●A104.21.6.2142026-04-24 → 2026-04-24 · 2 obs

○ 2019-03-02 03:46:50
● 2026-04-24 03:33:02

●A172.67.135.762026-04-24 → 2026-04-24 · 2 obs

○ 2019-03-02 03:46:50
● 2026-04-24 03:33:02

○A184.168.221.372015-05-09 → 2019-03-02 · 3 obs

● 2015-05-09 19:50:36
● 2019-03-02 03:46:50
○ 2026-04-24 03:33:02

●A2606:4700:3033::6815:6d62026-04-24 → 2026-04-24 · 2 obs

○ 2019-03-02 03:46:50
● 2026-04-24 03:33:02

●A2606:4700:3037::ac43:874c2026-04-24 → 2026-04-24 · 2 obs

○ 2019-03-02 03:46:50
● 2026-04-24 03:33:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
sfoassociation.org	coraline.ns.cloudflare.com, cory.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.34.88

NS records: coraline.ns.cloudflare.com, cory.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sfoassociation.org (unsigned zone)

⏱️ Timing

Total: 714ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.6.214, 172.67.135.76`
AAAA	2	`2606:4700:3037::ac43:874c, 2606:4700:3033::6815:6d6`
NS	2	`coraline.ns.cloudflare.com, cory.ns.cloudflare.com`
MX	3	`mx.zoho.com (pri: 10), mx2.zoho.com (pri: 20)...`
TXT	2	`v=spf1 include:zohomail.com ~all, zoho-verification=zb80765066.zmverify.zo`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`coraline.ns.cloudflare.com dns.cloudflar`

Analysis

Hierarchy

sfoassociation.org is parent of www.sfoassociation.org.

IP Addresses

sfoassociation.org points to four IP numbers: 2606:4700:3033::6815:6d6, 2606:4700:3037::ac43:874c, 104.21.6.214 and 172.67.135.76.

Other host names, for instance pgvip2.com.br, trilli.pl, it-more.at, nc-ph-3003.queenbeeskitchen.com and denarcadenow.com share IP numbers with sfoassociation.org.

Name Servers

sfoassociation.org's delegation is to two name servers coraline.ns.cloudflare.com and cory.ns.cloudflare.com.

sfoassociation.org uses the same name server setup as other domains, including ehf-group.com, dd9.com, sportvasten.nl and melatonine.nl.

sfoassociation.org at least partially shares its name servers with other domains, for instance xaziveniamanagement.digital, rudtp.org, mawartoto22g.site, serenade.gifts and rchelimag.com.

These name servers are commonly used with rocco.ns.cloudflare.com, albert.ns.cloudflare.com and raquel.ns.cloudflare.com.

Host names with six IP numbers:

coraline.ns.cloudflare.com points to: 2606:4700:50::a29f:2658, 2803:f800:50::6ca2:c258, 2a06:98c1:50::ac40:2258, 108.162.194.88, 162.159.38.88 and 172.64.34.88.

cory.ns.cloudflare.com points to: 2606:4700:58::adf5:3b5d, 2803:f800:50::6ca2:c15d, 2a06:98c1:50::ac40:215d, 108.162.193.93, 172.64.33.93 and 173.245.59.93.

Mail Servers

sfoassociation.org is handled by three mail servers: mx2.zoho.com, mx3.zoho.com and mx.zoho.com.

sfoassociation.org shares some mail servers with other domains, including purevps.com, creativebooster.net, dctleathershop.com, rrofga.com and mmviveiros.com.br.

Host names with two IP numbers: mx.zoho.com points to 136.143.191.44 and 204.141.33.44.

Host names with one IP number: mx2.zoho.com points to 204.141.33.44. mx3.zoho.com points to 136.143.191.44.

Host names that point to 136.143.191.44: mx.zoho.com and mx3.zoho.com.

Host names that point to 204.141.33.44: mx.zoho.com and mx2.zoho.com.

sfoassociation.org - robtex.com