michaelku.com - robtex.com

michaelku.com

DNSSEC⚠️ Not signed
A2606:4700:3037::6815:5d90🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:d31a🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.93.144Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.211.26🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSburt.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b4f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRburt.ns.cloudflare.com
A2803:f800:50::6ca2:c14f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRburt.ns.cloudflare.com
A2a06:98c1:50::ac40:214f🇺🇸 Cloudflare2a06:98c1:50::/45
PTRburt.ns.cloudflare.com
A108.162.193.79🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRburt.ns.cloudflare.com
A172.64.33.79🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRburt.ns.cloudflare.com
A173.245.59.79🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRburt.ns.cloudflare.com
NScloe.ns.cloudflare.com
A2606:4700:50::adf5:3a56🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcloe.ns.cloudflare.com
A2803:f800:50::6ca2:c056🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRcloe.ns.cloudflare.com
A2a06:98c1:50::ac40:2056🇺🇸 Cloudflare2a06:98c1:50::/45
PTRcloe.ns.cloudflare.com
A108.162.192.86🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcloe.ns.cloudflare.com
A172.64.32.86🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcloe.ns.cloudflare.com
A173.245.58.86🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcloe.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.93.144, 172.67.211.26
IPv62606:4700:3037::6815:5d90, 2606:4700:3037::ac43:d31a
SOAburt.ns.cloudflare.comdns@cloudflare.com serial=2396893773

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=1771291435

Same first word

michaelku.com

DNS History

11 records (6 active, 5 former)

20162017201820192020202120222023202420252026NSburt.ns.cloudflare.comcloe.ns.cloudflare.comMXmail.michaelku.comA104.21.93.144172.67.211.262606:4700:3037::6815:5d902606:4700:3037::ac43:d31a104.27.188.56104.27.189.562400:cb00:2048:1::681b:bc382400:cb00:2048:1::681b:bd38
●NSburt.ns.cloudflare.com2015-09-04 → 2026-03-10 · 2 obs
● 2015-09-04 14:02:50
● 2026-03-10 17:28:06
●NScloe.ns.cloudflare.com2015-09-04 → 2026-03-10 · 2 obs
● 2015-09-04 14:02:50
● 2026-03-10 17:28:06
○MXmail.michaelku.com2015-09-04 → 2016-08-07 · 4 obs
● 2015-09-04 14:02:50
● 2016-08-07 00:43:00
○ 2026-03-10 05:26:22
○ 2026-03-10 17:28:06
●A104.21.93.1442026-03-10 → 2026-03-10 · 3 obs
○ 2016-08-07 00:43:00
● 2026-03-10 05:26:22
● 2026-03-10 17:28:06
○A104.27.188.562015-09-04 → 2016-08-07 · 4 obs
● 2015-09-04 14:02:50
● 2016-08-07 00:43:00
○ 2026-03-10 05:26:22
○ 2026-03-10 17:28:06
○A104.27.189.562015-09-04 → 2016-08-07 · 4 obs
● 2015-09-04 14:02:50
● 2016-08-07 00:43:00
○ 2026-03-10 05:26:22
○ 2026-03-10 17:28:06
●A172.67.211.262026-03-10 → 2026-03-10 · 3 obs
○ 2016-08-07 00:43:00
● 2026-03-10 05:26:22
● 2026-03-10 17:28:06
○A2400:cb00:2048:1::681b:bc382015-09-04 → 2016-08-07 · 4 obs
● 2015-09-04 14:02:50
● 2016-08-07 00:43:00
○ 2026-03-10 05:26:22
○ 2026-03-10 17:28:06
○A2400:cb00:2048:1::681b:bd382015-09-04 → 2016-08-07 · 4 obs
● 2015-09-04 14:02:50
● 2016-08-07 00:43:00
○ 2026-03-10 05:26:22
○ 2026-03-10 17:28:06
●A2606:4700:3037::6815:5d902026-03-10 → 2026-03-10 · 3 obs
○ 2016-08-07 00:43:00
● 2026-03-10 05:26:22
● 2026-03-10 17:28:06
●A2606:4700:3037::ac43:d31a2026-03-10 → 2026-03-10 · 3 obs
○ 2016-08-07 00:43:00
● 2026-03-10 05:26:22
● 2026-03-10 17:28:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
michaelku.comcloe.ns.cloudflare.com, burt.ns.cloudflare.com12 records

✅ Authoritative Response

Server: 108.162.192.86

NS records: cloe.ns.cloudflare.com, burt.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for michaelku.com (unsigned zone)

⏱️ Timing

Total: 177ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.211.26, 104.21.93.144
AAAA22606:4700:3037::6815:5d90, 2606:4700:3037::ac43:d31a
NS2burt.ns.cloudflare.com, cloe.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1burt.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

michaelku.com maps to four IP numbers: 2606:4700:3037::6815:5d90, 2606:4700:3037::ac43:d31a, 104.21.93.144 and 172.67.211.26.

Other host names, for instance www.surtex.com, mail.specialten.com, www.igopost.at, kadinkabsaburaijua.org and nantucketmuseumshop.org share IP numbers with michaelku.com.

Name Servers

Two name servers burt.ns.cloudflare.com and cloe.ns.cloudflare.com are delegated to michaelku.com.

michaelku.com uses the same name server configuration as other domains, such as strivals.com, fabbricabenessere.it, sover.dk, homeserver.net and altcaps.com.

michaelku.com at least partially shares name servers with other domains such as dl-ser2985.online, democratikdesign.com, 4thstreetauto.net, cloudsto.com and yogaguru.org.

these name servers are commonly used with the name servers norman.ns.cloudflare.com.

Host names with six IP numbers: Host name burt.ns.cloudflare.com points to 2606:4700:58::adf5:3b4f, 2803:f800:50::6ca2:c14f, 2a06:98c1:50::ac40:214f, 108.162.193.79, 172.64.33.79 and 173.245.59.79; host name cloe.ns.cloudflare.com points to 2606:4700:50::adf5:3a56, 2803:f800:50::6ca2:c056, 2a06:98c1:50::ac40:2056, 108.162.192.86, 172.64.32.86 and 173.245.58.86.