`opendmtp.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:dd9b^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:569c^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.86.156^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.221.155^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`alberto.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c12^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alberto.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c312^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`alberto.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2312^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`alberto.ns.cloudflare.com`
		A	108.162.195.18^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alberto.ns.cloudflare.com`
		A	162.159.44.18^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alberto.ns.cloudflare.com`
		A	172.64.35.18^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alberto.ns.cloudflare.com`
NS	`paislee.ns.cloudflare.com`
		A	2606:4700:50::a29f:26b7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`paislee.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2b7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`paislee.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22b7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`paislee.ns.cloudflare.com`
		A	108.162.194.183^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`paislee.ns.cloudflare.com`
		A	162.159.38.183^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`paislee.ns.cloudflare.com`
		A	172.64.34.183^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`paislee.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.86.156, 172.67.221.155
		IPv6 hints	2606:4700:3031::ac43:dd9b, 2606:4700:3035::6815:569c
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=62, name=cloudflare-ech.com
SOA	`alberto.ns.cloudflare.com`dns@cloudflare.com serial=2403577898

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1778164548

WOT: SAFE (70/100)

Same first word

opendmtp.org

DNS History

21 records (6 active, 15 former)

●NSalberto.ns.cloudflare.com2026-05-07 → 2026-05-07 · 2 obs

○ 2017-06-27 02:06:40
● 2026-05-07 14:55:50

○NSns75.worldnic.com2008-11-11 → 2017-06-27 · 3 obs

● 2008-11-11 15:48:26
● 2017-06-27 02:06:40
○ 2026-05-07 14:55:50

○NSns76.worldnic.com2008-11-11 → 2017-06-27 · 3 obs

● 2008-11-11 15:48:26
● 2017-06-27 02:06:40
○ 2026-05-07 14:55:50

●NSpaislee.ns.cloudflare.com2026-05-07 → 2026-05-07 · 2 obs

○ 2017-06-27 02:06:40
● 2026-05-07 14:55:50

○MXalt1.aspmx.l.google.com2015-06-19 → 2017-06-27 · 4 obs

○ 2008-11-11 15:48:26
● 2015-06-19 02:30:28
● 2017-06-27 02:06:40
○ 2026-05-07 14:55:50

○MXalt2.aspmx.l.google.com2015-06-19 → 2017-06-27 · 4 obs

○ 2008-11-11 15:48:26
● 2015-06-19 02:30:28
● 2017-06-27 02:06:40
○ 2026-05-07 14:55:50

○MXaspmx.l.google.com2015-06-19 → 2017-06-27 · 4 obs

○ 2008-11-11 15:48:26
● 2015-06-19 02:30:28
● 2017-06-27 02:06:40
○ 2026-05-07 14:55:50

○MXaspmx2.googlemail.com2015-06-19 → 2017-06-27 · 4 obs

○ 2008-11-11 15:48:26
● 2015-06-19 02:30:28
● 2017-06-27 02:06:40
○ 2026-05-07 14:55:50

○MXaspmx3.googlemail.com2015-06-19 → 2017-06-27 · 4 obs

○ 2008-11-11 15:48:26
● 2015-06-19 02:30:28
● 2017-06-27 02:06:40
○ 2026-05-07 14:55:50

○MXsmtp.opendmtp.com2008-11-11 → 2008-11-11 · 3 obs

● 2008-11-11 15:48:26
○ 2015-06-19 02:30:28
○ 2026-05-07 14:55:50

○MXsmtp.opendmtp.net2008-11-11 → 2008-11-11 · 3 obs

● 2008-11-11 15:48:26
○ 2015-06-19 02:30:28
○ 2026-05-07 14:55:50

●A104.21.86.1562026-05-07 → 2026-05-07 · 2 obs

○ 2017-06-27 02:06:40
● 2026-05-07 14:55:50

●A172.67.221.1552026-05-07 → 2026-05-07 · 2 obs

○ 2017-06-27 02:06:40
● 2026-05-07 14:55:50

○A188.114.96.02026-05-07 → 2026-05-07 · 1 obs

○ 2026-05-07 14:55:50

○A188.114.97.02026-05-07 → 2026-05-07 · 1 obs

○ 2026-05-07 14:55:50

●A2606:4700:3031::ac43:dd9b2026-05-07 → 2026-05-07 · 2 obs

○ 2017-06-27 02:06:40
● 2026-05-07 14:55:50

●A2606:4700:3035::6815:569c2026-05-07 → 2026-05-07 · 2 obs

○ 2017-06-27 02:06:40
● 2026-05-07 14:55:50

○A2a06:98c1:3120::2026-05-07 → 2026-05-07 · 1 obs

○ 2026-05-07 14:55:50

○A2a06:98c1:3121::2026-05-07 → 2026-05-07 · 1 obs

○ 2026-05-07 14:55:50

○A38.102.33.1862015-06-19 → 2017-06-27 · 4 obs

○ 2008-11-11 15:48:26
● 2015-06-19 02:30:28
● 2017-06-27 02:06:40
○ 2026-05-07 14:55:50

○A66.35.250.2102008-11-11 → 2008-11-11 · 3 obs

● 2008-11-11 15:48:26
○ 2015-06-19 02:30:28
○ 2026-05-07 14:55:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b2.org.afilias-nst.org, b0.org.afilias-nst.org, d0.org.afilias-nst.org	-
opendmtp.org	paislee.ns.cloudflare.com, alberto.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.34.183

NS records: paislee.ns.cloudflare.com, alberto.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for opendmtp.org (unsigned zone)

⏱️ Timing

Total: 447ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.86.156, 172.67.221.155`
AAAA	2	`2606:4700:3035::6815:569c, 2606:4700:3031::ac43:dd9b`
NS	2	`alberto.ns.cloudflare.com, paislee.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`alberto.ns.cloudflare.com dns.cloudflare`

Analysis

IP Addresses

opendmtp.org points to four IP numbers: 2606:4700:3031::ac43:dd9b, 2606:4700:3035::6815:569c, 104.21.86.156 and 172.67.221.155.

Other host names, for instance kidsandgames.ru, coremeshcentrio.click, koveah.org, cyklon.ck.ua and ddb9418fa25e.isttasarim.com share IP numbers with opendmtp.org.

Name Servers

Delegation for opendmtp.org rests with two name servers, alberto.ns.cloudflare.com and paislee.ns.cloudflare.com.

opendmtp.org shares the same name server setup as other domains, including karangdivers.id, bryntoviarex.com, nuvexaeloriq.com, luntheriqvano.com and stelvarionex.com.

opendmtp.org at least partially shares name servers with other domains, for instance bishengcaiwelcome.com.cn, womanthesite.org, 8manga.com, llyingshiziyuan.com.cn and yingchaodiyilun.com.cn.

These name servers are commonly used with malavika.ns.cloudflare.com and nelly.ns.cloudflare.com.

Host names with six IP numbers: alberto.ns.cloudflare.com points to: 2606:4700:58::a29f:2c12, 2803:f800:50::6ca2:c312, 2a06:98c1:50::ac40:2312, 108.162.195.18, 162.159.44.18 and 172.64.35.18. paislee.ns.cloudflare.com points to: 2606:4700:50::a29f:26b7, 2803:f800:50::6ca2:c2b7, 2a06:98c1:50::ac40:22b7, 108.162.194.183, 162.159.38.183 and 172.64.34.183.

opendmtp.org - robtex.com

opendmtp.org

org

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`opendmtp.org`

`org`