`mail.skyexpress.us`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:a207^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:3273^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.50.115^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.162.7^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.50.115, 172.67.162.7
		IPv6	2606:4700:3030::ac43:a207, 2606:4700:3037::6815:3273

`skyexpress.us`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:a207^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:3273^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.50.115^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.162.7^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`bob.ns.cloudflare.com` ⭐
NS	`linda.ns.cloudflare.com`
MX	`sv60.ifastnet9.org` ⭐
TXT	`v=spf1 +ip4:46.101.127.176 +ip4:31.22.4.224 +a +mx +ip4:82.163.176.87 +ip4:82...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.50.115, 172.67.162.7
		IPv6	2606:4700:3030::ac43:a207, 2606:4700:3037::6815:3273
SOA	`bob.ns.cloudflare.com`dns@cloudflare.com serial=2399245557

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DNS History

13 records (4 active, 9 former)

○NSbob.ns.cloudflare.com2016-07-11 → 2026-02-16 · 4 obs

● 2016-07-11 21:24:22
● 2026-02-16 02:01:00
○ 2026-02-17 08:48:48
○ 2026-03-27 12:09:14

○NSlinda.ns.cloudflare.com2016-07-11 → 2026-02-16 · 4 obs

● 2016-07-11 21:24:22
● 2026-02-16 02:01:00
○ 2026-02-17 08:48:48
○ 2026-03-27 12:09:14

○MXdc-23f050d3.skyexpress.us2016-07-11 → 2026-02-16 · 4 obs

● 2016-07-11 21:24:22
● 2026-02-16 02:01:00
○ 2026-02-17 08:48:48
○ 2026-03-27 12:09:14

●A104.21.50.1152026-02-16 → 2026-03-27 · 3 obs

○ 2016-07-11 21:24:22
● 2026-02-16 02:01:00
● 2026-03-27 12:09:14

○A104.25.151.1092016-07-11 → 2016-07-11 · 4 obs

○ 2016-03-14 19:28:52
● 2016-07-11 21:24:22
○ 2026-02-16 02:01:00
○ 2026-03-27 12:09:14

○A104.25.152.1092016-07-11 → 2016-07-11 · 4 obs

○ 2016-03-14 19:28:52
● 2016-07-11 21:24:22
○ 2026-02-16 02:01:00
○ 2026-03-27 12:09:14

●A172.67.162.72026-02-16 → 2026-03-27 · 3 obs

○ 2016-07-11 21:24:22
● 2026-02-16 02:01:00
● 2026-03-27 12:09:14

○A2400:cb00:2048:1::6819:976d2016-07-11 → 2016-07-11 · 4 obs

○ 2016-03-14 19:28:52
● 2016-07-11 21:24:22
○ 2026-02-16 02:01:00
○ 2026-03-27 12:09:14

○A2400:cb00:2048:1::6819:986d2016-07-11 → 2016-07-11 · 4 obs

○ 2016-03-14 19:28:52
● 2016-07-11 21:24:22
○ 2026-02-16 02:01:00
○ 2026-03-27 12:09:14

●A2606:4700:3030::ac43:a2072026-02-16 → 2026-03-27 · 3 obs

○ 2016-07-11 21:24:22
● 2026-02-16 02:01:00
● 2026-03-27 12:09:14

●A2606:4700:3037::6815:32732026-02-16 → 2026-03-27 · 3 obs

○ 2016-07-11 21:24:22
● 2026-02-16 02:01:00
● 2026-03-27 12:09:14

○A31.22.4.2252015-08-22 → 2016-03-14 · 4 obs

● 2015-08-22 18:19:00
● 2016-03-14 19:28:52
○ 2016-07-11 21:24:22
○ 2026-03-27 12:09:14

○CNAMEskyexpress.us2016-07-11 → 2026-02-16 · 4 obs

● 2016-07-11 21:24:22
● 2026-02-16 02:01:00
○ 2026-02-17 08:48:48
○ 2026-03-27 12:09:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
us	m.cctld.us, k.cctld.us, b.cctld.us, x.cctld.us...	-
skyexpress.us	linda.ns.cloudflare.com, bob.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.250

NS records: linda.ns.cloudflare.com, bob.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for skyexpress.us (unsigned zone)

⏱️ Timing

Total: 528ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.162.7, 104.21.50.115`
AAAA	2	`2606:4700:3030::ac43:a207, 2606:4700:3037::6815:3273`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

Analysis

IP Addresses

mail.skyexpress.us maps to four IP numbers: 2606:4700:3030::ac43:a207, 2606:4700:3037::6815:3273, 104.21.50.115 and 172.67.162.7.

Other host names, for instance www.cyclingsa-events.co.za, robofuture.click, liafail.org, liebeschip.de and 02425682367.com share IP numbers with mail.skyexpress.us.

mail.skyexpress.us - robtex.com