mail.rdfa.com - robtex.com

mail.rdfa.com

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:172b🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:d0d1🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.23.43Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.208.209🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/2 ✓ hints match
IPv4 hints104.21.23.43, 172.67.208.209
IPv6 hints2606:4700:3032::6815:172b, 2606:4700:3035::ac43:d0d1
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=215, name=cloudflare-ech.com

rdfa.com

DNSSEC⚠️ Not signed
A198.49.23.144🇺🇸 SQUARESPACE-1198.49.23.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US
A198.49.23.145🇺🇸 SQUARESPACE-1198.49.23.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US
A198.185.159.144🇺🇸 SQUARESPACE-1198.185.159.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US
A198.185.159.145🇺🇸 SQUARESPACE-1198.185.159.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US
NSdeb.ns.cloudflare.com ⭐
NSian.ns.cloudflare.com
MXrdfa-com.mail.protection.outlook.com ⭐
TXTMS=ms11220272
TXTMS=ms93012074
TXTv=spf1 include:spf.protection.outlook.com ~all
SOAdeb.ns.cloudflare.comdns@cloudflare.com serial=2408845517

Previously MX for

rdfa.com

Same first word

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DNS History

7 records (4 active, 3 former)

20162017201820192020202120222023202420252026A104.21.23.43172.67.208.2092606:4700:3032::6815:172b2606:4700:3035::ac43:d0d12606:4700:3031::6815:172b2606:4700:3033::ac43:d0d164.233.222.42
●A104.21.23.432026-03-09 → 2026-07-31 · 3 obs
○ 2016-07-02 06:48:30
● 2026-03-09 10:46:14
● 2026-07-31 16:21:14
●A172.67.208.2092026-03-09 → 2026-07-31 · 3 obs
○ 2016-07-02 06:48:30
● 2026-03-09 10:46:14
● 2026-07-31 16:21:14
○A2606:4700:3031::6815:172b2026-03-09 → 2026-06-14 · 4 obs
○ 2016-07-02 06:48:30
● 2026-03-09 10:46:14
● 2026-06-14 09:06:00
○ 2026-07-31 16:21:14
●A2606:4700:3032::6815:172b2026-07-31 → 2026-07-31 · 2 obs
○ 2026-06-14 09:06:00
● 2026-07-31 16:21:14
○A2606:4700:3033::ac43:d0d12026-03-09 → 2026-06-14 · 4 obs
○ 2016-07-02 06:48:30
● 2026-03-09 10:46:14
● 2026-06-14 09:06:00
○ 2026-07-31 16:21:14
●A2606:4700:3035::ac43:d0d12026-07-31 → 2026-07-31 · 2 obs
○ 2026-06-14 09:06:00
● 2026-07-31 16:21:14
○A64.233.222.422015-07-13 → 2016-07-02 · 4 obs
● 2015-07-13 09:24:08
● 2016-07-02 06:48:30
○ 2026-03-09 10:46:14
○ 2026-07-31 16:21:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
rdfa.comian.ns.cloudflare.com, deb.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.118

NS records: ian.ns.cloudflare.com, deb.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rdfa.com (unsigned zone)

⏱️ Timing

Total: 94ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.208.209, 104.21.23.43
AAAA22606:4700:3032::6815:172b, 2606:4700:3035::ac43:d0d1
HTTPS1{"priority":1,"target":".","alpn":["h2"]

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mail.rdfa.com directs to four IP numbers, which are 104.21.23.43, 172.67.208.209, 2606:4700:3032::6815:172b and 2606:4700:3035::ac43:d0d1.

Two other host names, along with nakal.cz, nei.dk and boldbloomtrail.com, also share IP numbers with mail.rdfa.com.