mail.dshield.org - robtex.com
mail.dshield.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 204.51.94.153🇺🇸 AS701204.51.64.0/18 MCI Communications Services, LLC d/b/a Verizon Business | ||||||
| TXT | v=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) | ||||||
| A | 2606:4700:20::681a:20f🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:20::681a:30f🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:20::ac43:46c3🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.26.2.15Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.26.3.15Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.70.195🇺🇸 Cloudflare172.67.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | ivy.ns.cloudflare.com ⭐ | ||||||
| NS | jeff.ns.cloudflare.com | ||||||
| MX | mail-1a.dshield.org ⭐ | ||||||
| MX | mail-1b.dshield.org(20) | ||||||
| TXT | globalsign-domain-verification=7EFA96C85269E213FA1D6A569E56410B | ||||||
| TXT | keybase-site-verification=P0GIw4eFx6POmwhrhpH4GPIdV9IgEPJ3ebudqWsa0_Y | ||||||
| TXT | v=spf1 a mx a:sans.edu ip4:159.223.154.178 ip4:66.35.59.0/24 ip4:66.35.60.0/2... | ||||||
| HTTPS | HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.26.2.15, 104.26.3.15, 172.67.70.195 | ||||||
| IPv6 hints | 2606:4700:20::681a:20f, 2606:4700:20::681a:30f, 2606:4700:20::ac43:46c3 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=221, name=cloudflare-ech.com | ||||||
| SOA | ivy.ns.cloudflare.comdns@cloudflare.com serial=2407959484 | ||||||
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)
●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
● 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
● 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
○ 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
● 2016-12-20 15:38:10
○ 2026-03-11 12:22:48
○ 2026-07-04 18:49:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b2.org.afilias-nst.org, b0.org.afilias-nst.org, d0.org.afilias-nst.org, a0.org.afilias-nst.info... | - |
| dshield.org | ivy.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
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 204.51.94.153 |
| TXT | 1 | v=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.