mail.learning-without-borders.com - dns.ninja

`mail.learning-without-borders.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:5af0^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:a2cd^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.90.240^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.162.205^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
MX	`mx00.ionos.co.uk` ⭐
		A	212.227.15.41^{🇩🇪 IONOS-AS212.227.0.0/16 IONOS-PA-2}
			PTR	`mx00.kundenserver.de`
MX	`mx01.ionos.co.uk` ⭐
		A	217.72.192.67^{🇩🇪 IONOS-AS217.72.192.0/20 Web.de}
			PTR	`mx01.kundenserver.de`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.90.240, 172.67.162.205
		IPv6 hints	2606:4700:3033::6815:5af0, 2606:4700:3033::ac43:a2cd
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=160, name=cloudflare-ech.com

`learning-without-borders.com`

	DNSSEC	⚠️ Not signed
	A	141.193.213.10^{🇺🇸 CLOUDFLARESPECTRUM141.193.213.0/24 WPEngine, Inc. 504 Lavaca Street, 1000, Austin, TX 78701, US}
	A	141.193.213.11^{🇺🇸 CLOUDFLARESPECTRUM141.193.213.0/24 WPEngine, Inc. 504 Lavaca Street, 1000, Austin, TX 78701, US}
	NS	`ned.ns.cloudflare.com` ⭐
	NS	`serenity.ns.cloudflare.com`
	MX	`mx00.ionos.co.uk` ⭐
	MX	`mx01.ionos.co.uk` ⭐
	TXT	`stripe-verification=32439b9b582e7be932f1377620c202c9cca7b86b55cfce3ca80ab9063...`
	TXT	`v=spf1 include:_spf.perfora.net include:_spf-eu.ionos.com include:_spf.kunden...`
	SOA	`ned.ns.cloudflare.com`dns@cloudflare.com serial=2408372451

Previously MX for

learning-without-borders.com

Same first word

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DNS History

13 records (6 active, 7 former)

●MXmx00.ionos.co.uk2026-06-01 → 2026-08-05 · 2 obs

● 2026-06-01 02:40:04
● 2026-08-05 07:12:52

●MXmx01.ionos.co.uk2026-06-01 → 2026-08-05 · 2 obs

● 2026-06-01 02:40:04
● 2026-08-05 07:12:52

●A104.21.90.2402026-06-01 → 2026-08-05 · 3 obs

○ 2016-08-11 18:00:14
● 2026-06-01 02:40:04
● 2026-08-05 07:12:52

●A172.67.162.2052026-06-01 → 2026-08-05 · 3 obs

○ 2016-08-11 18:00:14
● 2026-06-01 02:40:04
● 2026-08-05 07:12:52

○A188.114.96.02026-06-01 → 2026-08-05 · 2 obs

○ 2026-06-01 02:40:04
○ 2026-08-05 07:12:52

○A188.114.97.02026-06-01 → 2026-08-05 · 2 obs

○ 2026-06-01 02:40:04
○ 2026-08-05 07:12:52

○A2606:4700:3031::6815:5af02026-06-01 → 2026-06-01 · 4 obs

○ 2016-08-11 18:00:14
● 2026-06-01 02:40:04
○ 2026-07-27 06:09:34
○ 2026-08-05 07:12:52

●A2606:4700:3033::6815:5af02026-07-27 → 2026-08-05 · 3 obs

○ 2026-06-01 02:40:04
● 2026-07-27 06:09:34
● 2026-08-05 07:12:52

●A2606:4700:3033::ac43:a2cd2026-07-27 → 2026-08-05 · 3 obs

○ 2026-06-01 02:40:04
● 2026-07-27 06:09:34
● 2026-08-05 07:12:52

○A2606:4700:3035::ac43:a2cd2026-06-01 → 2026-06-01 · 4 obs

○ 2016-08-11 18:00:14
● 2026-06-01 02:40:04
○ 2026-07-27 06:09:34
○ 2026-08-05 07:12:52

○A2a06:98c1:3120::2026-06-01 → 2026-08-05 · 2 obs

○ 2026-06-01 02:40:04
○ 2026-08-05 07:12:52

○A2a06:98c1:3121::2026-06-01 → 2026-08-05 · 2 obs

○ 2026-06-01 02:40:04
○ 2026-08-05 07:12:52

○A67.227.167.1772015-08-20 → 2016-08-11 · 4 obs

● 2015-08-20 08:25:46
● 2016-08-11 18:00:14
○ 2026-06-01 02:40:04
○ 2026-08-05 07:12:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
learning-without-borders.com	ned.ns.cloudflare.com, serenity.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.210

NS records: ned.ns.cloudflare.com, serenity.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for learning-without-borders.com (unsigned zone)

⏱️ Timing

Total: 449ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.90.240, 172.67.162.205`
AAAA	2	`2606:4700:3033::6815:5af0, 2606:4700:3033::ac43:a2cd`
MX	2	`mx00.ionos.co.uk (pri: 10), mx01.ionos.co.uk (pri: 10)`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mail.learning-without-borders.com points to the four IP addresses 104.21.90.240, 172.67.162.205, 2606:4700:3033::6815:5af0 and 2606:4700:3033::ac43:a2cd.

Two other host names, along with chempirate.com, www.probannerads.com and never-relax.com, also share IP numbers with mail.learning-without-borders.com.

Mail Servers

mail.learning-without-borders.com is served by two mail servers, mx00.ionos.co.uk and mx01.ionos.co.uk.

Among the domains sharing a mail server setup with mail.learning-without-borders.com are kazimsengonul.com, dpmhi.com, myepost.co.uk and two others.

mail.learning-without-borders.com has mail servers in common with other domains — gregbluntdecorator.co.uk being one example.

Both mx00.ionos.co.uk and mx01.ionos.co.uk have a single IP address each — mx00.ionos.co.uk resolves to 212.227.15.41 while mx01.ionos.co.uk resolves to 217.72.192.67.