`ptcchallenge.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:48e7^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:9baa^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.72.231^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.155.170^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`saanvi.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2650^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`saanvi.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c250^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`saanvi.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2250^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`saanvi.ns.cloudflare.com`
		A	108.162.194.80^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`saanvi.ns.cloudflare.com`
		A	162.159.38.80^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`saanvi.ns.cloudflare.com`
		A	172.64.34.80^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`saanvi.ns.cloudflare.com`
NS	`terry.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bed^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`terry.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1ed^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`terry.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21ed^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`terry.ns.cloudflare.com`
		A	108.162.193.237^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`terry.ns.cloudflare.com`
		A	172.64.33.237^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`terry.ns.cloudflare.com`
		A	173.245.59.237^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`terry.ns.cloudflare.com`
MX	`_dc-mx.e91f641ff564.ptcchallenge.com` ⭐
		A	143.95.243.33^{🇺🇸 EIGI143.95.224.0/19 NF DALLAS Route Object}
			PTR	`ip-143-95-243-33.iplocal`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.72.231, 172.67.155.170
		IPv6 hints	2606:4700:3035::6815:48e7, 2606:4700:3037::ac43:9baa
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=18, name=cloudflare-ech.com
SOA	`saanvi.ns.cloudflare.com`dns@cloudflare.com serial=2402417292

`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=1778686646

WOT: SAFE (72/100)

Previously MX for

ptcchallenge.com

Same first word

ptcchallenge.com

DNS History

17 records (7 active, 10 former)

○NSns1.discountasp.net2015-08-21 → 2016-03-08 · 4 obs

● 2015-08-21 09:56:10
● 2016-03-08 13:39:38
○ 2016-07-20 07:40:42
○ 2026-05-13 15:49:22

○NSns1.speedydns.net2016-07-20 → 2020-02-02 · 5 obs

○ 2016-03-08 13:39:38
● 2016-07-20 07:40:42
● 2020-02-02 00:21:26
○ 2026-02-16 10:09:42
○ 2026-05-13 15:49:22

○NSns2.discountasp.net2015-08-21 → 2016-03-08 · 4 obs

● 2015-08-21 09:56:10
● 2016-03-08 13:39:38
○ 2016-07-20 07:40:42
○ 2026-05-13 15:49:22

○NSns2.speedydns.net2016-07-20 → 2020-02-02 · 5 obs

○ 2016-03-08 13:39:38
● 2016-07-20 07:40:42
● 2020-02-02 00:21:26
○ 2026-02-16 10:09:42
○ 2026-05-13 15:49:22

○NSns3.discountasp.net2015-08-21 → 2016-03-08 · 4 obs

● 2015-08-21 09:56:10
● 2016-03-08 13:39:38
○ 2016-07-20 07:40:42
○ 2026-05-13 15:49:22

○NSns3.speedydns.net2016-07-20 → 2020-02-02 · 5 obs

○ 2016-03-08 13:39:38
● 2016-07-20 07:40:42
● 2020-02-02 00:21:26
○ 2026-02-16 10:09:42
○ 2026-05-13 15:49:22

●NSsaanvi.ns.cloudflare.com2026-02-16 → 2026-05-13 · 3 obs

○ 2020-02-02 00:21:26
● 2026-02-16 10:09:42
● 2026-05-13 15:49:22

●NSterry.ns.cloudflare.com2026-02-16 → 2026-05-13 · 3 obs

○ 2020-02-02 00:21:26
● 2026-02-16 10:09:42
● 2026-05-13 15:49:22

●MX_dc-mx.e91f641ff564.ptcchallenge.com2026-02-16 → 2026-05-13 · 3 obs

○ 2020-02-02 00:21:26
● 2026-02-16 10:09:42
● 2026-05-13 15:49:22

○MXptcchallenge.com2016-07-20 → 2020-02-02 · 5 obs

○ 2016-03-08 13:39:38
● 2016-07-20 07:40:42
● 2020-02-02 00:21:26
○ 2026-02-16 10:09:42
○ 2026-05-13 15:49:22

○MXsm05.internetmailserver.net2015-08-21 → 2016-03-08 · 4 obs

● 2015-08-21 09:56:10
● 2016-03-08 13:39:38
○ 2016-07-20 07:40:42
○ 2026-05-13 15:49:22

●A104.21.72.2312026-02-16 → 2026-05-13 · 3 obs

○ 2020-02-02 00:21:26
● 2026-02-16 10:09:42
● 2026-05-13 15:49:22

○A158.85.94.1802016-07-20 → 2020-02-02 · 5 obs

○ 2016-03-08 13:39:38
● 2016-07-20 07:40:42
● 2020-02-02 00:21:26
○ 2026-02-16 10:09:42
○ 2026-05-13 15:49:22

●A172.67.155.1702026-02-16 → 2026-05-13 · 3 obs

○ 2020-02-02 00:21:26
● 2026-02-16 10:09:42
● 2026-05-13 15:49:22

●A2606:4700:3035::6815:48e72026-02-16 → 2026-05-13 · 3 obs

○ 2020-02-02 00:21:26
● 2026-02-16 10:09:42
● 2026-05-13 15:49:22

●A2606:4700:3037::ac43:9baa2026-02-16 → 2026-05-13 · 3 obs

○ 2020-02-02 00:21:26
● 2026-02-16 10:09:42
● 2026-05-13 15:49:22

○A96.31.46.192015-08-21 → 2016-03-08 · 4 obs

● 2015-08-21 09:56:10
● 2016-03-08 13:39:38
○ 2016-07-20 07:40:42
○ 2026-05-13 15:49:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net...	-
ptcchallenge.com	terry.ns.cloudflare.com, saanvi.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.237

NS records: terry.ns.cloudflare.com, saanvi.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ptcchallenge.com (unsigned zone)

⏱️ Timing

Total: 467ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.72.231, 172.67.155.170`
AAAA	2	`2606:4700:3035::6815:48e7, 2606:4700:3037::ac43:9baa`
NS	2	`saanvi.ns.cloudflare.com, terry.ns.cloudflare.com`
MX	1	`_dc-mx.e91f641ff564.ptcchallenge.com (pr`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`saanvi.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

ptcchallenge.com resolves to four IPs: 2606:4700:3035::6815:48e7, 2606:4700:3037::ac43:9baa, 104.21.72.231 and 172.67.155.170.

Other host names, for instance rbbfirm.com, yesilkarkargo.com, bordscan.com, bet-on-red.com.pt and lascon.org share IP numbers with ptcchallenge.com.

Name Servers

ptcchallenge.com has two name servers: saanvi.ns.cloudflare.com and terry.ns.cloudflare.com.

ptcchallenge.com shares the same name server setup as other domains, for example verekuu.com, aliengain.com, fernandoguillencuervo.com, mickvc.com and smsactive.com.

ptcchallenge.com shares some name servers with other domains, for example ivotenz.net.nz, pagagerung.org, hempproteinisolate.com, ucmt-lb.com and for-racing.com.

Host names with six IP numbers: saanvi.ns.cloudflare.com points to: 2606:4700:50::a29f:2650, 2803:f800:50::6ca2:c250, 2a06:98c1:50::ac40:2250, 108.162.194.80, 162.159.38.80 and 172.64.34.80; terry.ns.cloudflare.com points to: 2606:4700:58::adf5:3bed, 2803:f800:50::6ca2:c1ed, 2a06:98c1:50::ac40:21ed, 108.162.193.237, 172.64.33.237 and 173.245.59.237.

Mail Servers

ptcchallenge.com is handled by a single mail server, _dc-mx.e91f641ff564.ptcchallenge.com.

Host name _dc-mx.e91f641ff564.ptcchallenge.com points to IP 143.95.243.33.

ptcchallenge.com - robtex.com