`architectcalc.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:8a^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:800e^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.0.138^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.128.14^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`lisa.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a83^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lisa.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c083^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lisa.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2083^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lisa.ns.cloudflare.com`
		A	108.162.192.131^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lisa.ns.cloudflare.com`
		A	172.64.32.131^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lisa.ns.cloudflare.com`
		A	173.245.58.131^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lisa.ns.cloudflare.com`
NS	`seth.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b8e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`seth.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c18e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`seth.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:218e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`seth.ns.cloudflare.com`
		A	108.162.193.142^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`seth.ns.cloudflare.com`
		A	172.64.33.142^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`seth.ns.cloudflare.com`
		A	173.245.59.142^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`seth.ns.cloudflare.com`
TXT	`google-site-verification=kYHmsMEDRXNF4H3ObkOtx2QnpcrUECApZN9JA-DyulY`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.0.138, 172.67.128.14
		IPv6 hints	2606:4700:3033::6815:8a, 2606:4700:3033::ac43:800e
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=135, name=cloudflare-ech.com
SOA	`lisa.ns.cloudflare.com`dns@cloudflare.com serial=2400999294

`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=1776089892

Same first word

architectcalc.com

DNS History

6 records (6 active, 0 former)

●NSlisa.ns.cloudflare.com2026-04-06 → 2026-04-13 · 2 obs

● 2026-04-06 20:31:44
● 2026-04-13 14:37:36

●NSseth.ns.cloudflare.com2026-04-06 → 2026-04-13 · 2 obs

● 2026-04-06 20:31:44
● 2026-04-13 14:37:36

●A104.21.0.1382026-04-06 → 2026-04-13 · 2 obs

● 2026-04-06 20:31:44
● 2026-04-13 14:37:36

●A172.67.128.142026-04-06 → 2026-04-13 · 2 obs

● 2026-04-06 20:31:44
● 2026-04-13 14:37:36

●A2606:4700:3033::6815:8a2026-04-06 → 2026-04-13 · 2 obs

● 2026-04-06 20:31:44
● 2026-04-13 14:37:36

●A2606:4700:3033::ac43:800e2026-04-06 → 2026-04-13 · 2 obs

● 2026-04-06 20:31:44
● 2026-04-13 14:37:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
architectcalc.com	lisa.ns.cloudflare.com, seth.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.131

NS records: lisa.ns.cloudflare.com, seth.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for architectcalc.com (unsigned zone)

⏱️ Timing

Total: 129ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.128.14, 104.21.0.138`
AAAA	2	`2606:4700:3033::6815:8a, 2606:4700:3033::ac43:800e`
NS	2	`lisa.ns.cloudflare.com, seth.ns.cloudflare.com`
TXT	1	`google-site-verification=kYHmsMEDRXNF4H3`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`lisa.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

architectcalc.com maps to four IP numbers: 2606:4700:3033::6815:8a, 2606:4700:3033::ac43:800e, 104.21.0.138 and 172.67.128.14.

other host names include 3hca.yellglass.in.net, mail.thereadingnook.com, www.cxc.io, dynlineal3.yellglass.in.net and pain.tw; they share IP numbers with architectcalc.com.

Name Servers

Two name servers lisa.ns.cloudflare.com and seth.ns.cloudflare.com handle the delegation for architectcalc.com.

architectcalc.com shares the same name server setup as other domains, for instance empowervoice.com, (0x706f726e)ozaz18.shop, img.la, receptayyiperdogan.com.tr and dlgpromo.com.

architectcalc.com at least partially shares name servers with other domains, for instance pioneerpressgreeley.com, nagoya-gorgeous.jp, accentapplianceservice.com, kola1joe43-rvvfa6jkqcmpn692378kx292378kx2i6n4n77mi6n4n77m.com and andorinhahiper.com.br.

These name servers are commonly used alongside ken.ns.cloudflare.com.

Six IP addresses per host:

lisa.ns.cloudflare.com points to 2606:4700:50::adf5:3a83, 2803:f800:50::6ca2:c083, 2a06:98c1:50::ac40:2083, 108.162.192.131, 172.64.32.131 and 173.245.58.131; seth.ns.cloudflare.com points to 2606:4700:58::adf5:3b8e, 2803:f800:50::6ca2:c18e, 2a06:98c1:50::ac40:218e, 108.162.193.142, 172.64.33.142 and 173.245.59.142

architectcalc.com - robtex.com