by-yu.com - robtex.com

by-yu.com

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:daf6🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:1889🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.24.137Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.218.246🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSelsa.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a6f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelsa.ns.cloudflare.com
A2803:f800:50::6ca2:c06f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRelsa.ns.cloudflare.com
A2a06:98c1:50::ac40:206f🇺🇸 Cloudflare2a06:98c1:50::/45
PTRelsa.ns.cloudflare.com
A108.162.192.111🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelsa.ns.cloudflare.com
A172.64.32.111🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelsa.ns.cloudflare.com
A173.245.58.111🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelsa.ns.cloudflare.com
NSnile.ns.cloudflare.com
A2606:4700:58::adf5:3bd6🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnile.ns.cloudflare.com
A2803:f800:50::6ca2:c1d6🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRnile.ns.cloudflare.com
A2a06:98c1:50::ac40:21d6🇺🇸 Cloudflare2a06:98c1:50::/45
PTRnile.ns.cloudflare.com
A108.162.193.214🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnile.ns.cloudflare.com
A172.64.33.214🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnile.ns.cloudflare.com
A173.245.59.214🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnile.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.24.137, 172.67.218.246
IPv6 hints2606:4700:3033::ac43:daf6, 2606:4700:3035::6815:1889
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=42, name=cloudflare-ech.com
SOAelsa.ns.cloudflare.comdns@cloudflare.com serial=2400747420

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1776211287
WOT: UNKNOWN (82/100)

Previously MX for

by-yu.com

Same first word

by-yu.com

Similar names

y-buy.com
y-buy.co.uk
y-buy.nl

DNS History

18 records (6 active, 12 former)

200920112013201520172019202120232025NSelsa.ns.cloudflare.comnile.ns.cloudflare.coma.ns36.deb.ns36.dens1.by-yu.comns2.by-yu.comns21.dattatec.comns22.dattatec.comMXby-yu.commail-gateway.domcollect.commailgw.ns36.deA104.21.24.137172.67.218.2462606:4700:3033::ac43:daf62606:4700:3035::6815:1889200.58.122.8072.52.4.9091.195.241.121
○NSa.ns36.de2015-12-24 → 2015-12-30 · 5 obs
○ 2015-08-23 17:10:04
● 2015-12-24 01:33:38
● 2015-12-30 20:17:48
○ 2016-03-11 05:20:46
○ 2026-04-15 00:27:40
○NSb.ns36.de2015-12-24 → 2015-12-30 · 5 obs
○ 2015-08-23 17:10:04
● 2015-12-24 01:33:38
● 2015-12-30 20:17:48
○ 2016-03-11 05:20:46
○ 2026-04-15 00:27:40
●NSelsa.ns.cloudflare.com2026-04-05 → 2026-04-15 · 3 obs
○ 2016-03-11 05:20:46
● 2026-04-05 03:56:38
● 2026-04-15 00:27:40
●NSnile.ns.cloudflare.com2026-04-05 → 2026-04-15 · 3 obs
○ 2016-03-11 05:20:46
● 2026-04-05 03:56:38
● 2026-04-15 00:27:40
○NSns1.by-yu.com2008-03-13 → 2008-03-13 · 3 obs
● 2008-03-13 02:41:54
○ 2015-08-23 17:10:04
○ 2026-04-15 00:27:40
○NSns2.by-yu.com2008-03-13 → 2008-03-13 · 3 obs
● 2008-03-13 02:41:54
○ 2015-08-23 17:10:04
○ 2026-04-15 00:27:40
○NSns21.dattatec.com2008-03-13 → 2008-03-13 · 3 obs
● 2008-03-13 02:41:54
○ 2015-08-23 17:10:04
○ 2026-04-15 00:27:40
○NSns22.dattatec.com2008-03-13 → 2008-03-13 · 3 obs
● 2008-03-13 02:41:54
○ 2015-08-23 17:10:04
○ 2026-04-15 00:27:40
○MXby-yu.com2008-03-13 → 2008-03-13 · 3 obs
● 2008-03-13 02:41:54
○ 2015-08-23 17:10:04
○ 2026-04-15 00:27:40
○MXmail-gateway.domcollect.com2015-12-30 → 2015-12-30 · 4 obs
○ 2015-12-24 01:33:38
● 2015-12-30 20:17:48
○ 2016-03-11 05:20:46
○ 2026-04-15 00:27:40
○MXmailgw.ns36.de2015-12-24 → 2015-12-24 · 4 obs
○ 2015-08-23 17:10:04
● 2015-12-24 01:33:38
○ 2015-12-30 20:17:48
○ 2026-04-15 00:27:40
●A104.21.24.1372026-04-05 → 2026-04-15 · 3 obs
○ 2016-03-11 05:20:46
● 2026-04-05 03:56:38
● 2026-04-15 00:27:40
●A172.67.218.2462026-04-05 → 2026-04-15 · 3 obs
○ 2016-03-11 05:20:46
● 2026-04-05 03:56:38
● 2026-04-15 00:27:40
○A200.58.122.802008-03-13 → 2008-03-13 · 3 obs
● 2008-03-13 02:41:54
○ 2015-08-23 17:10:04
○ 2026-04-15 00:27:40
●A2606:4700:3033::ac43:daf62026-04-05 → 2026-04-15 · 3 obs
○ 2016-03-11 05:20:46
● 2026-04-05 03:56:38
● 2026-04-15 00:27:40
●A2606:4700:3035::6815:18892026-04-05 → 2026-04-15 · 3 obs
○ 2016-03-11 05:20:46
● 2026-04-05 03:56:38
● 2026-04-15 00:27:40
○A72.52.4.902015-12-24 → 2015-12-24 · 4 obs
○ 2015-08-23 17:10:04
● 2015-12-24 01:33:38
○ 2015-12-30 20:17:48
○ 2026-04-15 00:27:40
○A91.195.241.1212015-12-30 → 2015-12-30 · 4 obs
○ 2015-12-24 01:33:38
● 2015-12-30 20:17:48
○ 2016-03-11 05:20:46
○ 2026-04-15 00:27:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
by-yu.comelsa.ns.cloudflare.com, nile.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.111

NS records: elsa.ns.cloudflare.com, nile.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for by-yu.com (unsigned zone)

⏱️ Timing

Total: 166ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.24.137, 172.67.218.246
AAAA22606:4700:3035::6815:1889, 2606:4700:3033::ac43:daf6
NS2elsa.ns.cloudflare.com, nile.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1elsa.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

by-yu.com points to four IP numbers: 2606:4700:3033::ac43:daf6, 2606:4700:3035::6815:1889, 104.21.24.137 and 172.67.218.246.

Other host names, for instance www.takipcinbizde.com, vetc.net, shueo.cn, gis-ag.com and sellmyshares.com.au share IP numbers with by-yu.com.

Name Servers

by-yu.com is delegated to two name servers: elsa.ns.cloudflare.com and nile.ns.cloudflare.com.

by-yu.com uses the same name server setup as other domains, for instance travelchad.com, luxury333mm.com, intravenosa.com, travelnorfolkisland.com and bro138ao.com.

by-yu.com shares name servers with other domains at least partially, for instance adammurtaugh.com, seanskipman.com, holidaytourpackages.net, verita64analytics.click and center-8bright.forum.

these name servers are often used with sue.ns.cloudflare.com, sasha.ns.cloudflare.com and trace.ns.cloudflare.com.

Host names with six IP numbers: elsa.ns.cloudflare.com points to 2606:4700:50::adf5:3a6f, 2803:f800:50::6ca2:c06f, 2a06:98c1:50::ac40:206f, 108.162.192.111, 172.64.32.111 and 173.245.58.111; nile.ns.cloudflare.com points to 2606:4700:58::adf5:3bd6, 2803:f800:50::6ca2:c1d6, 2a06:98c1:50::ac40:21d6, 108.162.193.214, 172.64.33.214 and 173.245.59.214.