`mathewsopenaccess.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::ac43:b168^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:2b59^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.43.89^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.177.104^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`cris.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cca^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cris.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3ca^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`cris.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23ca^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`cris.ns.cloudflare.com`
		A	108.162.195.202^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cris.ns.cloudflare.com`
		A	162.159.44.202^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cris.ns.cloudflare.com`
		A	172.64.35.202^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cris.ns.cloudflare.com`
NS	`rose.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a8d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rose.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c08d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rose.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:208d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rose.ns.cloudflare.com`
		A	108.162.192.141^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rose.ns.cloudflare.com`
		A	172.64.32.141^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rose.ns.cloudflare.com`
		A	173.245.58.141^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rose.ns.cloudflare.com`
MX	`_dc-mx.883f4898ac5d.mathewsopenaccess.com` ⭐
		A	72.167.221.128^{🇺🇸 AS39810172.167.220.0/22}
			PTR	`128.221.167.72.host.secureserver.net`
TXT	`google-site-verification=xC9TZoySJucDGCNjiOpLF40CENDW0sXPv5GVD4Lm6KM`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.43.89, 172.67.177.104
		IPv6 hints	2606:4700:3033::ac43:b168, 2606:4700:3036::6815:2b59
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=137, name=cloudflare-ech.com
SOA	`cris.ns.cloudflare.com`dns@cloudflare.com serial=2398029165

`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=1776021732

rank #740857 globally
rank #335416 in the tld
WOT: UNKNOWN (25/100)

Previously MX for

mathewsopenaccess.com

Same first word

mathewsopenaccess.com

DNS History

11 records (7 active, 4 former)

●NScris.ns.cloudflare.com2026-02-20 → 2026-04-12 · 3 obs

○ 2018-01-15 15:14:26
● 2026-02-20 12:22:24
● 2026-04-12 19:23:50

○NSns1.bh-in-6.webhostbox.net2016-12-20 → 2018-01-15 · 4 obs

● 2016-12-20 14:49:32
● 2018-01-15 15:14:26
○ 2026-02-20 12:22:24
○ 2026-04-12 19:23:50

○NSns2.bh-in-6.webhostbox.net2016-12-20 → 2018-01-15 · 4 obs

● 2016-12-20 14:49:32
● 2018-01-15 15:14:26
○ 2026-02-20 12:22:24
○ 2026-04-12 19:23:50

●NSrose.ns.cloudflare.com2026-02-20 → 2026-04-12 · 3 obs

○ 2018-01-15 15:14:26
● 2026-02-20 12:22:24
● 2026-04-12 19:23:50

●MX_dc-mx.883f4898ac5d.mathewsopenaccess.com2026-02-20 → 2026-04-12 · 3 obs

○ 2018-01-15 15:14:26
● 2026-02-20 12:22:24
● 2026-04-12 19:23:50

○MXmathewsopenaccess.com2016-12-20 → 2018-01-15 · 4 obs

● 2016-12-20 14:49:32
● 2018-01-15 15:14:26
○ 2026-02-20 12:22:24
○ 2026-04-12 19:23:50

○A103.21.59.1682016-12-20 → 2018-01-15 · 4 obs

● 2016-12-20 14:49:32
● 2018-01-15 15:14:26
○ 2026-02-20 12:22:24
○ 2026-04-12 19:23:50

●A104.21.43.892026-02-20 → 2026-04-12 · 3 obs

○ 2018-01-15 15:14:26
● 2026-02-20 12:22:24
● 2026-04-12 19:23:50

●A172.67.177.1042026-02-20 → 2026-04-12 · 3 obs

○ 2018-01-15 15:14:26
● 2026-02-20 12:22:24
● 2026-04-12 19:23:50

●A2606:4700:3033::ac43:b1682026-02-20 → 2026-04-12 · 3 obs

○ 2018-01-15 15:14:26
● 2026-02-20 12:22:24
● 2026-04-12 19:23:50

●A2606:4700:3036::6815:2b592026-02-20 → 2026-04-12 · 3 obs

○ 2018-01-15 15:14:26
● 2026-02-20 12:22:24
● 2026-04-12 19:23:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
mathewsopenaccess.com	rose.ns.cloudflare.com, cris.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.202

NS records: rose.ns.cloudflare.com, cris.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathewsopenaccess.com (unsigned zone)

⏱️ Timing

Total: 169ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.177.104, 104.21.43.89`
AAAA	2	`2606:4700:3033::ac43:b168, 2606:4700:3036::6815:2b59`
NS	2	`cris.ns.cloudflare.com, rose.ns.cloudflare.com`
MX	1	`_dc-mx.883f4898ac5d.mathewsopenaccess.co`
TXT	1	`google-site-verification=xC9TZoySJucDGCN`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`cris.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mathewsopenaccess.com maps to four IP numbers: 2606:4700:3033::ac43:b168, 2606:4700:3036::6815:2b59, 104.21.43.89 and 172.67.177.104.

Other host names such as surveillancevalley.net, sipghw.com, www.guelman.ru, dghaoling.com and www.steinerinjurylaw.com share IPs with mathewsopenaccess.com.

Name Servers

Two name servers cris.ns.cloudflare.com and rose.ns.cloudflare.com handle the delegation for mathewsopenaccess.com.

mathewsopenaccess.com shares the same name server setup as other domains, for example jrep.com, mathewsconferences.com, contrasaurus.com, blockhrtvscode.com and alarmkontrol.com.

mathewsopenaccess.com at least partially shares name servers with other domains, for example 755bet42.com, 882434.com, exxor.de, csu.org.tw and 101fusionstudio.click.

these name servers commonly pair with jamie.ns.cloudflare.com, steven.ns.cloudflare.com, sloan.ns.cloudflare.com and demi.ns.cloudflare.com.

Host names with six IP numbers:

cris.ns.cloudflare.com points to 2606:4700:58::a29f:2cca, 2803:f800:50::6ca2:c3ca, 2a06:98c1:50::ac40:23ca, 108.162.195.202, 162.159.44.202 and 172.64.35.202.

rose.ns.cloudflare.com points to 2606:4700:50::adf5:3a8d, 2803:f800:50::6ca2:c08d, 2a06:98c1:50::ac40:208d, 108.162.192.141, 172.64.32.141 and 173.245.58.141.

Mail Servers

The _dc-mx.883f4898ac5d.mathewsopenaccess.com mail server handles mathewsopenaccess.com.

_dc-mx.883f4898ac5d.mathewsopenaccess.com points to a single IP number: 72.167.221.128.

mathewsopenaccess.com - robtex.com