🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`lambda-calculus.ru`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:cab^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:98d4^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.12.171^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.152.212^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`clint.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b5a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clint.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c15a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`clint.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:215a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`clint.ns.cloudflare.com`
		A	108.162.193.90^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clint.ns.cloudflare.com`
		A	172.64.33.90^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clint.ns.cloudflare.com`
		A	173.245.59.90^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clint.ns.cloudflare.com`
NS	`suzanne.ns.cloudflare.com`
		A	2606:4700:50::a29f:2657^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`suzanne.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c257^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`suzanne.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2257^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`suzanne.ns.cloudflare.com`
		A	108.162.194.87^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`suzanne.ns.cloudflare.com`
		A	162.159.38.87^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`suzanne.ns.cloudflare.com`
		A	172.64.34.87^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`suzanne.ns.cloudflare.com`
TXT	`google-site-verification=_U9u-817VICSZye36yFadOW2fgtYvAqeaxMjsOb4wRs`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.12.171, 172.67.152.212
		IPv6 hints	2606:4700:3033::6815:cab, 2606:4700:3035::ac43:98d4
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=148, name=cloudflare-ech.com
SOA	`clint.ns.cloudflare.com`dns@cloudflare.com serial=2409344818

`ru`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.ripn.net` ⭐
	NS	`b.dns.ripn.net`
	NS	`c.tld-servers.ru`
	NS	`d.dns.ripn.net`
	NS	`e.dns.ripn.net`
	NS	`f.dns.ripn.net`
	SOA	`a.dns.ripn.net`hostmaster@ripn.net serial=4070232

Previously MX for

lambda-calculus.ru

Same first word

lambda-calculus.ru

Previous names

lamazon.ru

lamb-foodhp.ru

lamb.ru

lamba-karelia.ru

lamba.ru

lambabo.ru

lambada.ru

lambadamarket.ru

lambairlab.ru

lambamo.ru

lambard.ru

lambargini.ru

lambas.ru

lambasr.ru

lambat.ru

lambcook.ru

lambd.ru

lambda.ru

Next names

DNS History

12 records (6 active, 6 former)

●NSclint.ns.cloudflare.com2026-06-06 → 2026-09-03 · 3 obs

○ 2017-02-22 13:45:12
● 2026-06-06 22:05:14
● 2026-09-03 21:40:02

○NSns1.digitalocean.com2015-08-02 → 2017-02-22 · 4 obs

● 2015-08-02 05:03:48
● 2017-02-22 13:45:12
○ 2026-06-06 22:05:14
○ 2026-09-03 21:40:02

○NSns2.digitalocean.com2015-08-02 → 2017-02-22 · 4 obs

● 2015-08-02 05:03:48
● 2017-02-22 13:45:12
○ 2026-06-06 22:05:14
○ 2026-09-03 21:40:02

○NSns3.digitalocean.com2015-08-02 → 2017-02-22 · 4 obs

● 2015-08-02 05:03:48
● 2017-02-22 13:45:12
○ 2026-06-06 22:05:14
○ 2026-09-03 21:40:02

●NSsuzanne.ns.cloudflare.com2026-06-06 → 2026-09-03 · 3 obs

○ 2017-02-22 13:45:12
● 2026-06-06 22:05:14
● 2026-09-03 21:40:02

○MXlambda-calculus.ru2015-08-02 → 2017-02-22 · 4 obs

● 2015-08-02 05:03:48
● 2017-02-22 13:45:12
○ 2026-06-06 22:05:14
○ 2026-09-03 21:40:02

●A104.21.12.1712026-06-06 → 2026-09-03 · 3 obs

○ 2017-02-22 13:45:12
● 2026-06-06 22:05:14
● 2026-09-03 21:40:02

○A146.185.144.1582015-08-02 → 2017-02-22 · 4 obs

● 2015-08-02 05:03:48
● 2017-02-22 13:45:12
○ 2026-06-06 22:05:14
○ 2026-09-03 21:40:02

●A172.67.152.2122026-06-06 → 2026-09-03 · 3 obs

○ 2017-02-22 13:45:12
● 2026-06-06 22:05:14
● 2026-09-03 21:40:02

●A2606:4700:3033::6815:cab2026-06-06 → 2026-09-03 · 3 obs

○ 2017-02-22 13:45:12
● 2026-06-06 22:05:14
● 2026-09-03 21:40:02

○A2606:4700:3034::ac43:98d42026-06-06 → 2026-06-13 · 5 obs

○ 2017-02-22 13:45:12
● 2026-06-06 22:05:14
● 2026-06-13 06:56:44
○ 2026-07-07 10:23:56
○ 2026-09-03 21:40:02

●A2606:4700:3035::ac43:98d42026-07-07 → 2026-09-03 · 3 obs

○ 2026-06-13 06:56:44
● 2026-07-07 10:23:56
● 2026-09-03 21:40:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	a.dns.ripn.net, b.dns.ripn.net, c.tld-servers.ru, d.dns.ripn.net...	-
lambda-calculus.ru	clint.ns.cloudflare.com, suzanne.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.90

NS records: clint.ns.cloudflare.com, suzanne.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for lambda-calculus.ru (unsigned zone)

⏱️ Timing

Total: 1001ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.12.171, 172.67.152.212`
AAAA	2	`2606:4700:3035::ac43:98d4, 2606:4700:3033::6815:cab`
NS	2	`clint.ns.cloudflare.com, suzanne.ns.cloudflare.com`
TXT	1	`google-site-verification=_U9u-817VICSZye`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`clint.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

lambda-calculus.ru points to the four IP addresses 104.21.12.171, 172.67.152.212, 2606:4700:3033::6815:cab and 2606:4700:3035::ac43:98d4.

slsolife.com, giga.company, superslots.sbs plus two other host names have IP numbers in common with lambda-calculus.ru.

Name Servers

Two name servers handle the delegation for lambda-calculus.ru: clint.ns.cloudflare.com and suzanne.ns.cloudflare.com.

The name server configuration of lambda-calculus.ru is shared with other domains, for instance jos55-karmabzh-com.pages.dev, expandingthebench.org, itrnd.kz and two others.

There is at least partial name server overlap between lambda-calculus.ru and other domains — joaboliv.workers.dev, grid188.com, sdmmjc.com and two more among them.

These name servers frequently co-occur with the name servers ezra.ns.cloudflare.com and wally.ns.cloudflare.com.

Hosts with 6 IP addresses each:

clint.ns.cloudflare.com resolves to 108.162.193.90, 172.64.33.90 and 173.245.59.90 among others, with 3 other IP addresses in total.

suzanne.ns.cloudflare.com resolves to 108.162.194.87, 162.159.38.87 and 172.64.34.87 among others, with 3 other IP addresses in total.

lambda-calculus.ru - robtex.com