`phxmarchforscience.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:3de3^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:d808^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.61.227^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.216.8^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`arnold.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b45^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arnold.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c145^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`arnold.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2145^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`arnold.ns.cloudflare.com`
		A	108.162.193.69^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arnold.ns.cloudflare.com`
		A	172.64.33.69^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arnold.ns.cloudflare.com`
		A	173.245.59.69^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arnold.ns.cloudflare.com`
NS	`pearl.ns.cloudflare.com`
		A	2606:4700:50::a29f:268c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pearl.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c28c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`pearl.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:228c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`pearl.ns.cloudflare.com`
		A	108.162.194.140^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pearl.ns.cloudflare.com`
		A	162.159.38.140^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pearl.ns.cloudflare.com`
		A	172.64.34.140^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pearl.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.61.227, 172.67.216.8
		IPv6 hints	2606:4700:3030::6815:3de3, 2606:4700:3037::ac43:d808
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=99, name=cloudflare-ech.com
SOA	`arnold.ns.cloudflare.com`dns@cloudflare.com serial=2402869890

`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=1778450671

Same first word

phxmarchforscience.com

DNS History

10 records (6 active, 4 former)

●NSarnold.ns.cloudflare.com2026-05-03 → 2026-05-10 · 3 obs

○ 2017-05-08 07:59:44
● 2026-05-03 11:30:54
● 2026-05-10 22:20:54

○NSdns1.namecheaphosting.com2017-05-08 → 2017-05-08 · 3 obs

● 2017-05-08 07:59:44
○ 2026-05-03 11:30:54
○ 2026-05-10 22:20:54

○NSdns2.namecheaphosting.com2017-05-08 → 2017-05-08 · 3 obs

● 2017-05-08 07:59:44
○ 2026-05-03 11:30:54
○ 2026-05-10 22:20:54

●NSpearl.ns.cloudflare.com2026-05-03 → 2026-05-10 · 3 obs

○ 2017-05-08 07:59:44
● 2026-05-03 11:30:54
● 2026-05-10 22:20:54

○MXmail.phxmarchforscience.com2017-05-08 → 2017-05-08 · 3 obs

● 2017-05-08 07:59:44
○ 2026-05-03 11:30:54
○ 2026-05-10 22:20:54

●A104.21.61.2272026-05-03 → 2026-05-10 · 3 obs

○ 2017-05-08 07:59:44
● 2026-05-03 11:30:54
● 2026-05-10 22:20:54

●A172.67.216.82026-05-03 → 2026-05-10 · 3 obs

○ 2017-05-08 07:59:44
● 2026-05-03 11:30:54
● 2026-05-10 22:20:54

○A198.54.115.1372017-05-08 → 2017-05-08 · 3 obs

● 2017-05-08 07:59:44
○ 2026-05-03 11:30:54
○ 2026-05-10 22:20:54

●A2606:4700:3030::6815:3de32026-05-03 → 2026-05-10 · 3 obs

○ 2017-05-08 07:59:44
● 2026-05-03 11:30:54
● 2026-05-10 22:20:54

●A2606:4700:3037::ac43:d8082026-05-03 → 2026-05-10 · 3 obs

○ 2017-05-08 07:59:44
● 2026-05-03 11:30:54
● 2026-05-10 22:20:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, a.gtld-servers.net, e.gtld-servers.net, k.gtld-servers.net...	-
phxmarchforscience.com	arnold.ns.cloudflare.com, pearl.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.140

NS records: arnold.ns.cloudflare.com, pearl.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for phxmarchforscience.com (unsigned zone)

⏱️ Timing

Total: 118ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.61.227, 172.67.216.8`
AAAA	2	`2606:4700:3037::ac43:d808, 2606:4700:3030::6815:3de3`
NS	2	`arnold.ns.cloudflare.com, pearl.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`arnold.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

phxmarchforscience.com maps to four IP numbers: 2606:4700:3030::6815:3de3, 2606:4700:3037::ac43:d808, 104.21.61.227 and 172.67.216.8.

Other host names, for instance drdurham.net, myvetmembership.com, inchento.com, xj-kc.com and bund.fr share IP numbers with phxmarchforscience.com.

Name Servers

Two name servers arnold.ns.cloudflare.com and pearl.ns.cloudflare.com are delegated to phxmarchforscience.com.

phxmarchforscience.com uses the same name server configuration as other domains, such as anaros.nl, pf9zx.nl, 678vip.xyz, daotaolaixeyenbai.com and 24au88.com.

phxmarchforscience.com at least partially shares name servers with other domains such as ibuddy.app, sondakikasonnet.com, spasi-i-sohrani.com, vost.pw and yomua.com.

these name servers are commonly used with the name servers houston.ns.cloudflare.com.

Host names with six IP numbers: Host name arnold.ns.cloudflare.com points to 2606:4700:58::adf5:3b45, 2803:f800:50::6ca2:c145, 2a06:98c1:50::ac40:2145, 108.162.193.69, 172.64.33.69 and 173.245.59.69; host name pearl.ns.cloudflare.com points to 2606:4700:50::a29f:268c, 2803:f800:50::6ca2:c28c, 2a06:98c1:50::ac40:228c, 108.162.194.140, 162.159.38.140 and 172.64.34.140.

phxmarchforscience.com - robtex.com