mail.dshield.org - robtex.com

mail.dshield.org

DNSSEC⚠️ Not signed
A204.51.94.153🇺🇸 AS701204.51.64.0/18 MCI Communications Services, LLC d/b/a Verizon Business
TXTv=spf1 a mx a:sans.edu ip4:159.223.154.178 ip4:66.35.59.0/24 ip4:66.35.60.0/2...

dshield.org

DNSSEC🔒 Signed (DS record present)
A2606:4700:20::681a:20f🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:20::681a:30f🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:20::ac43:46c3🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.26.2.15Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.26.3.15Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.70.195🇺🇸 Cloudflare172.67.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSivy.ns.cloudflare.com
NSjeff.ns.cloudflare.com
MXmail-1a.dshield.org
MXmail-1b.dshield.org(20)
TXTglobalsign-domain-verification=7EFA96C85269E213FA1D6A569E56410B
TXTkeybase-site-verification=P0GIw4eFx6POmwhrhpH4GPIdV9IgEPJ3ebudqWsa0_Y
TXTv=spf1 a mx a:sans.edu ip4:159.223.154.178 ip4:66.35.59.0/24 ip4:66.35.60.0/2...
HTTPSHTTP/2 ✓ hints match
IPv4 hints104.26.2.15, 104.26.3.15, 172.67.70.195
IPv6 hints2606:4700:20::681a:20f, 2606:4700:20::681a:30f, 2606:4700:20::ac43:46c3
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=221, name=cloudflare-ech.com
SOAivy.ns.cloudflare.comdns@cloudflare.com serial=2407959484
WOT: SAFE (91/100)
rank #141218 globally
rank #11774 in the tld
🔒 HSTS Preload (+subdomains)
WOT: SAFE (91/100)
📈 Tranco rank: #106,492

Previously MX for

Same first word

Similar names

DNS History

4 records (1 active, 3 former)

20162017201820192020202120222023202420252026A204.51.94.1532601:340:8001:52f8::252601:e:8001:df0::2566.35.59.249
A204.51.94.1532026-03-11 → 2026-07-04 · 3 obs
○ 2016-12-20 15:38:10
● 2026-03-11 12:22:48
● 2026-07-04 18:49:22
A2601:340:8001:52f8::252015-10-12 → 2016-03-26 · 5 obs
○ 2015-05-17 09:15:26
● 2015-10-12 01:00:36
● 2016-03-26 08:45:02
○ 2016-05-08 23:10:36
○ 2026-07-04 18:49:22
A2601:e:8001:df0::252015-05-17 → 2015-05-17 · 3 obs
● 2015-05-17 09:15:26
○ 2015-10-12 01:00:36
○ 2026-07-04 18:49:22
A66.35.59.2492015-05-17 → 2016-12-20 · 4 obs
● 2015-05-17 09:15:26
● 2016-12-20 15:38:10
○ 2026-03-11 12:22:48
○ 2026-07-04 18:49:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb2.org.afilias-nst.org, b0.org.afilias-nst.org, d0.org.afilias-nst.org, a0.org.afilias-nst.info...-
dshield.orgivy.ns.cloudflare.com, jeff.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.192.120

NS records: ivy.ns.cloudflare.com, jeff.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1191ms | Queries: -

📄 Records

TypeCountSample Data
A1204.51.94.153
TXT1v=spf1 a mx a:sans.edu ip4:159.223.154.1

Analysis

IP Addresses

mail.dshield.org has exactly one IP address — 204.51.94.153.

www.dash-r.net and dash-r.net, along with other host names, share IP addresses with mail.dshield.org.