`librelingo.app`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::ac43:ca90^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:450a^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.69.10^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.202.144^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`melinda.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3ac6^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melinda.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0c6^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`melinda.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20c6^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`melinda.ns.cloudflare.com`
		A	108.162.192.198^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melinda.ns.cloudflare.com`
		A	172.64.32.198^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	173.245.58.198^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`vin.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bf5^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1f5^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`vin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21f5^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`vin.ns.cloudflare.com`
		A	108.162.193.245^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vin.ns.cloudflare.com`
		A	172.64.33.245^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vin.ns.cloudflare.com`
		A	173.245.59.245^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vin.ns.cloudflare.com`
MX	`eforward1.registrar-servers.com` ⭐
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
MX	`eforward2.registrar-servers.com` ⭐
		A	162.255.118.52^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward2.registrar-servers.com`
MX	`eforward3.registrar-servers.com` ⭐
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
MX	`eforward4.registrar-servers.com`⁽¹⁵⁾
		A	162.255.118.52^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward2.registrar-servers.com`
MX	`eforward5.registrar-servers.com`⁽²⁰⁾
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
TXT	`v=spf1 include:spf.efwd.registrar-servers.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.69.10, 172.67.202.144
		IPv6 hints	2606:4700:3033::ac43:ca90, 2606:4700:3037::6815:450a
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=63, name=cloudflare-ech.com
SOA	`melinda.ns.cloudflare.com`dns@cloudflare.com serial=2405819276

`app`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=101427

🔒 HSTS Preload (+subdomains)

Same first word

librelingo.app

librelingo.org

DNS History

23 records (11 active, 12 former)

○NSdns1.registrar-servers.com2020-02-08 → 2020-02-08 · 3 obs

● 2020-02-08 17:01:26
○ 2026-05-24 16:51:40
○ 2026-07-18 20:18:26

○NSdns2.registrar-servers.com2020-02-08 → 2020-02-08 · 3 obs

● 2020-02-08 17:01:26
○ 2026-05-24 16:51:40
○ 2026-07-18 20:18:26

●NSmelinda.ns.cloudflare.com2026-05-24 → 2026-07-18 · 3 obs

○ 2020-02-08 17:01:26
● 2026-05-24 16:51:40
● 2026-07-18 20:18:26

●NSvin.ns.cloudflare.com2026-05-24 → 2026-07-18 · 3 obs

○ 2020-02-08 17:01:26
● 2026-05-24 16:51:40
● 2026-07-18 20:18:26

●MXeforward1.registrar-servers.com2020-02-08 → 2026-07-18 · 2 obs

● 2020-02-08 17:01:26
● 2026-07-18 20:18:26

●MXeforward2.registrar-servers.com2020-02-08 → 2026-07-18 · 2 obs

● 2020-02-08 17:01:26
● 2026-07-18 20:18:26

●MXeforward3.registrar-servers.com2020-02-08 → 2026-07-18 · 2 obs

● 2020-02-08 17:01:26
● 2026-07-18 20:18:26

●MXeforward4.registrar-servers.com2020-02-08 → 2026-07-18 · 2 obs

● 2020-02-08 17:01:26
● 2026-07-18 20:18:26

●MXeforward5.registrar-servers.com2020-02-08 → 2026-07-18 · 2 obs

● 2020-02-08 17:01:26
● 2026-07-18 20:18:26

●A104.21.69.102026-05-24 → 2026-07-18 · 7 obs

○ 2020-02-08 17:01:26
● 2026-05-24 16:51:40
○ 2026-06-20 03:34:26
● 2026-06-26 13:52:58
○ 2026-07-14 12:05:58
● 2026-07-16 01:53:10
● 2026-07-18 20:18:26

●A172.67.202.1442026-05-24 → 2026-07-18 · 7 obs

○ 2020-02-08 17:01:26
● 2026-05-24 16:51:40
○ 2026-06-20 03:34:26
● 2026-06-26 13:52:58
○ 2026-07-14 12:05:58
● 2026-07-16 01:53:10
● 2026-07-18 20:18:26

○A185.199.108.1532020-02-08 → 2020-02-08 · 3 obs

● 2020-02-08 17:01:26
○ 2026-05-24 16:51:40
○ 2026-07-18 20:18:26

○A185.199.109.1532020-02-08 → 2020-02-08 · 3 obs

● 2020-02-08 17:01:26
○ 2026-05-24 16:51:40
○ 2026-07-18 20:18:26

○A185.199.110.1532020-02-08 → 2020-02-08 · 3 obs

● 2020-02-08 17:01:26
○ 2026-05-24 16:51:40
○ 2026-07-18 20:18:26

○A185.199.111.1532020-02-08 → 2020-02-08 · 3 obs

● 2020-02-08 17:01:26
○ 2026-05-24 16:51:40
○ 2026-07-18 20:18:26

○A188.114.96.02026-06-20 → 2026-07-14 · 6 obs

○ 2026-05-24 16:51:40
● 2026-06-20 03:34:26
○ 2026-06-26 13:52:58
● 2026-07-14 12:05:58
○ 2026-07-16 01:53:10
○ 2026-07-18 20:18:26

○A188.114.97.02026-06-20 → 2026-07-14 · 6 obs

○ 2026-05-24 16:51:40
● 2026-06-20 03:34:26
○ 2026-06-26 13:52:58
● 2026-07-14 12:05:58
○ 2026-07-16 01:53:10
○ 2026-07-18 20:18:26

○A2606:4700:3030::ac43:ca902026-05-24 → 2026-06-26 · 6 obs

○ 2020-02-08 17:01:26
● 2026-05-24 16:51:40
○ 2026-06-20 03:34:26
● 2026-06-26 13:52:58
○ 2026-07-09 00:08:38
○ 2026-07-18 20:18:26

●A2606:4700:3033::ac43:ca902026-07-09 → 2026-07-18 · 5 obs

○ 2026-06-26 13:52:58
● 2026-07-09 00:08:38
○ 2026-07-14 12:05:58
● 2026-07-16 01:53:10
● 2026-07-18 20:18:26

○A2606:4700:3036::6815:450a2026-05-24 → 2026-06-26 · 6 obs

○ 2020-02-08 17:01:26
● 2026-05-24 16:51:40
○ 2026-06-20 03:34:26
● 2026-06-26 13:52:58
○ 2026-07-09 00:08:38
○ 2026-07-18 20:18:26

●A2606:4700:3037::6815:450a2026-07-09 → 2026-07-18 · 5 obs

○ 2026-06-26 13:52:58
● 2026-07-09 00:08:38
○ 2026-07-14 12:05:58
● 2026-07-16 01:53:10
● 2026-07-18 20:18:26

○A2a06:98c1:3120::2026-06-20 → 2026-07-14 · 6 obs

○ 2026-05-24 16:51:40
● 2026-06-20 03:34:26
○ 2026-06-26 13:52:58
● 2026-07-14 12:05:58
○ 2026-07-16 01:53:10
○ 2026-07-18 20:18:26

○A2a06:98c1:3121::2026-06-20 → 2026-07-14 · 6 obs

○ 2026-05-24 16:51:40
● 2026-06-20 03:34:26
○ 2026-06-26 13:52:58
● 2026-07-14 12:05:58
○ 2026-07-16 01:53:10
○ 2026-07-18 20:18:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
app	ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...	10 records
librelingo.app	melinda.ns.cloudflare.com, vin.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.198

NS records: melinda.ns.cloudflare.com, vin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for librelingo.app (unsigned zone)

⏱️ Timing

Total: 524ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.202.144, 104.21.69.10`
AAAA	2	`2606:4700:3037::6815:450a, 2606:4700:3033::ac43:ca90`
NS	2	`melinda.ns.cloudflare.com, vin.ns.cloudflare.com`
MX	5	`eforward1.registrar-servers.com (pri: 10, eforward2.registrar-servers.com (pri: 10...`
TXT	1	`v=spf1 include:spf.efwd.registrar-server`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`melinda.ns.cloudflare.com dns.cloudflare`

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns-tld5.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)

Analysis

IP Addresses

librelingo.app has four IP addresses: 104.21.69.10, 172.67.202.144, 2606:4700:3033::ac43:ca90 and 2606:4700:3037::6815:450a.

Two other host names, along with jav.plus, digital9.co and eibalance.com, also share IP numbers with librelingo.app.

Name Servers

librelingo.app has two authoritative name servers — melinda.ns.cloudflare.com and vin.ns.cloudflare.com.

librelingo.app shares its NS records with other domains, for example earnmaxy.cfd, tetsuko.net, bragoddess.com and two others.

librelingo.app partially shares its NS delegation with several other domains, including luxurymotorhomestore.com, alerttechnologyltd.com, pishbinigame.com and two others.

These name servers regularly co-occur with the name servers coco.ns.cloudflare.com, jaxson.ns.cloudflare.com and guy.ns.cloudflare.com.

DNS names with 6 IP addresses:

melinda.ns.cloudflare.com points to 108.162.192.198, 172.64.32.198, 173.245.58.198 and 3 other IP addresses.

vin.ns.cloudflare.com points to 108.162.193.245, 172.64.33.245, 173.245.59.245 and 3 other IP addresses.

Mail Servers

Mail for librelingo.app is handled by five mail servers, namely eforward1.registrar-servers.com, eforward2.registrar-servers.com, eforward3.registrar-servers.com and two others.

There is at least a partial MX overlap between librelingo.app and other domains, including tudoctor.net, jayshettypodcast.com, jiussee.com and two others.

eforward4.registrar-servers.com, eforward5.registrar-servers.com, eforward6.registrar-servers.com and eforward7.registrar-servers.com are mail servers that frequently appear together with these mail servers.

Host names that point to one IP address:

eforward1.registrar-servers.com resolves to 162.255.118.51.

eforward2.registrar-servers.com resolves to 162.255.118.52.

eforward3.registrar-servers.com resolves to 162.255.118.51.

eforward4.registrar-servers.com resolves to 162.255.118.52.

eforward5.registrar-servers.com resolves to 162.255.118.51.

Each of eforward1.registrar-servers.com, eforward3.registrar-servers.com and eforward5.registrar-servers.com resolves to 162.255.118.51.

The host names eforward2.registrar-servers.com and eforward4.registrar-servers.com both resolve to 162.255.118.52 IP addresses.