mail.szskill.com - robtex.com

mail.szskill.com

DNSSEC⚠️ Not signed
A2606:4700:3035::6815:5699🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:dd4e🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.86.153Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.221.78🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.86.153, 172.67.221.78
IPv62606:4700:3035::6815:5699, 2606:4700:3036::ac43:dd4e

szskill.com

DNSSEC⚠️ Not signed
A2606:4700:3035::6815:5699🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:dd4e🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.86.153Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.221.78🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSharley.ns.cloudflare.com ⭐
NSolga.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.86.153, 172.67.221.78
IPv62606:4700:3035::6815:5699, 2606:4700:3036::ac43:dd4e
SOAharley.ns.cloudflare.comdns@cloudflare.com serial=2399305061

Previously MX for

szskill.com

Same first word

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DNS History

5 records (4 active, 1 former)

20162017201820192020202120222023202420252026A104.21.86.153172.67.221.782606:4700:3035::6815:56992606:4700:3036::ac43:dd4e218.85.132.246
●A104.21.86.1532026-03-21 → 2026-03-25 · 3 obs
○ 2016-06-26 02:22:58
● 2026-03-21 08:13:08
● 2026-03-25 01:39:10
●A172.67.221.782026-03-21 → 2026-03-25 · 3 obs
○ 2016-06-26 02:22:58
● 2026-03-21 08:13:08
● 2026-03-25 01:39:10
○A218.85.132.2462015-07-11 → 2016-06-26 · 4 obs
● 2015-07-11 12:41:46
● 2016-06-26 02:22:58
○ 2026-03-21 08:13:08
○ 2026-03-25 01:39:10
●A2606:4700:3035::6815:56992026-03-21 → 2026-03-25 · 3 obs
○ 2016-06-26 02:22:58
● 2026-03-21 08:13:08
● 2026-03-25 01:39:10
●A2606:4700:3036::ac43:dd4e2026-03-21 → 2026-03-25 · 3 obs
○ 2016-06-26 02:22:58
● 2026-03-21 08:13:08
● 2026-03-25 01:39:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, i.gtld-servers.net, b.gtld-servers.net, g.gtld-servers.net...-
szskill.comolga.ns.cloudflare.com, harley.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.137

NS records: olga.ns.cloudflare.com, harley.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for szskill.com (unsigned zone)

⏱️ Timing

Total: 155ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.221.78, 104.21.86.153
AAAA22606:4700:3035::6815:5699, 2606:4700:3036::ac43:dd4e
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mail.szskill.com points to four IP numbers: 2606:4700:3035::6815:5699, 2606:4700:3036::ac43:dd4e, 104.21.86.153 and 172.67.221.78.

Other host names, for instance rctic.org, placilo.com, bend.51cg6.info, mail.misophonie.eu and pzhzxtl.cn share IP numbers with mail.szskill.com.