`buildingtrust.pt`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:55c6^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:d1eb^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.85.198^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.209.235^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`heidi.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26ec^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`heidi.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2ec^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`heidi.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22ec^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`heidi.ns.cloudflare.com`
		A	108.162.194.236^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`heidi.ns.cloudflare.com`
		A	162.159.38.236^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`heidi.ns.cloudflare.com`
		A	172.64.34.236^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`heidi.ns.cloudflare.com`
NS	`sage.ns.cloudflare.com`
		A	2606:4700:58::a29f:2cec^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sage.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3ec^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sage.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23ec^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sage.ns.cloudflare.com`
		A	108.162.195.236^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sage.ns.cloudflare.com`
		A	162.159.44.236^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sage.ns.cloudflare.com`
		A	172.64.35.236^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sage.ns.cloudflare.com`
TXT	`google-site-verification=Zeck2CNyzdoPsAA9ZuW2c_ZPX_1hXwsa-5Slf156Tl0`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.85.198, 172.67.209.235
		IPv6	2606:4700:3032::6815:55c6, 2606:4700:3034::ac43:d1eb
SOA	`heidi.ns.cloudflare.com`dns@cloudflare.com serial=2394933524

`pt`

	DNSSEC	🔒 Signed (DS record present)
	NS	`curiosity.dns.pt` ⭐ 🔒
	NS	`a.dns.pt` 🔒
	NS	`b.dns.pt` 🔒
	NS	`c.dns.pt` 🔒
	NS	`d.dns.pt` 🔒
	NS	`e.dns.pt` 🔒
	NS	`g.dns.pt` 🔒
	NS	`h.dns.pt` 🔒
	NS	`ns.dns.br` 🔒
	NS	`ns2.nic.fr` 🔒
	SOA	`curiosity.dns.pt`request@dns.pt 2026-02-17 #2

Previously MX for

buildingtrust.pt

Same first word

buildingtrust.pt

buildingtrust.cl

buildingtrust.net

buildingtrust.co.uk

buildingtrust.com

buildingtrust.site

Similar names

trustbuilding.net

DNS History

10 records (6 active, 4 former)

●NSheidi.ns.cloudflare.com2026-02-18 → 2026-03-01 · 3 obs

○ 2017-05-14 05:08:52
● 2026-02-18 09:43:14
● 2026-03-01 04:42:36

○NSns15.hocnet.pt2015-05-12 → 2017-05-14 · 4 obs

● 2015-05-12 19:46:38
● 2017-05-14 05:08:52
○ 2026-02-18 09:43:14
○ 2026-03-01 04:42:36

○NSns16.hocnet.pt2015-05-12 → 2017-05-14 · 4 obs

● 2015-05-12 19:46:38
● 2017-05-14 05:08:52
○ 2026-02-18 09:43:14
○ 2026-03-01 04:42:36

●NSsage.ns.cloudflare.com2026-02-18 → 2026-03-01 · 3 obs

○ 2017-05-14 05:08:52
● 2026-02-18 09:43:14
● 2026-03-01 04:42:36

○MXbuildingtrust.pt2015-05-12 → 2017-05-14 · 4 obs

● 2015-05-12 19:46:38
● 2017-05-14 05:08:52
○ 2026-02-18 09:43:14
○ 2026-03-01 04:42:36

●A104.21.85.1982026-02-18 → 2026-03-01 · 3 obs

○ 2017-05-14 05:08:52
● 2026-02-18 09:43:14
● 2026-03-01 04:42:36

●A172.67.209.2352026-02-18 → 2026-03-01 · 3 obs

○ 2017-05-14 05:08:52
● 2026-02-18 09:43:14
● 2026-03-01 04:42:36

○A195.8.58.492015-05-12 → 2017-05-14 · 4 obs

● 2015-05-12 19:46:38
● 2017-05-14 05:08:52
○ 2026-02-18 09:43:14
○ 2026-03-01 04:42:36

●A2606:4700:3032::6815:55c62026-02-18 → 2026-03-01 · 3 obs

○ 2017-05-14 05:08:52
● 2026-02-18 09:43:14
● 2026-03-01 04:42:36

●A2606:4700:3034::ac43:d1eb2026-02-18 → 2026-03-01 · 3 obs

○ 2017-05-14 05:08:52
● 2026-02-18 09:43:14
● 2026-03-01 04:42:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pt	a.dns.pt, b.dns.pt, c.dns.pt, d.dns.pt...	18 records
buildingtrust.pt	heidi.ns.cloudflare.com, sage.ns.cloudflare.com	-

✅ Authoritative Response

Server: 172.64.34.236

NS records: heidi.ns.cloudflare.com, sage.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for buildingtrust.pt (unsigned zone)

⏱️ Timing

Total: 1037ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.209.235, 104.21.85.198`
AAAA	2	`2606:4700:3034::ac43:d1eb, 2606:4700:3032::6815:55c6`
NS	2	`heidi.ns.cloudflare.com, sage.ns.cloudflare.com`
TXT	1	`google-site-verification=Zeck2CNyzdoPsAA`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`heidi.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 18

In-bailiwick: 14 (a.dns.pt, b.dns.pt, c.dns.pt...)

Out-of-bailiwick: 4 (ns.dns.br, ns2.nic.fr, ns.dns.br...)

Analysis

IP Addresses

buildingtrust.pt refers to four IP numbers: 2606:4700:3032::6815:55c6, 2606:4700:3034::ac43:d1eb, 104.21.85.198 and 172.67.209.235.

Other host names, for instance 249249.com, am.am, www.glchqx.com, temasis.net and jsqbxdb.com share IP numbers with buildingtrust.pt.

Name Servers

buildingtrust.pt's delegation uses two name servers: heidi.ns.cloudflare.com and sage.ns.cloudflare.com.

buildingtrust.pt uses the same name server setup as other domains, such as allianceinfra.co.in, sella.my, mydc.my, discountclothes.in and capitalpaydayloans.ca.

buildingtrust.pt at least partially shares name servers with other domains, including metals4u.co.uk, s4s.me, xmjxkj.com, gsjwkj.cn and phhsg.cn.

These name servers are commonly used with blakely.ns.cloudflare.com, rex.ns.cloudflare.com and alex.ns.cloudflare.com.

Host names with six IP numbers:

heidi.ns.cloudflare.com points to 2606:4700:50::a29f:26ec, 2803:f800:50::6ca2:c2ec, 2a06:98c1:50::ac40:22ec, 108.162.194.236, 162.159.38.236 and 172.64.34.236.

sage.ns.cloudflare.com points to 2606:4700:58::a29f:2cec, 2803:f800:50::6ca2:c3ec, 2a06:98c1:50::ac40:23ec, 108.162.195.236, 162.159.44.236 and 172.64.35.236.

buildingtrust.pt - robtex.com