ibm-rational.com - robtex.com

ibm-rational.com

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:2411🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:b712🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.36.17Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.183.18🇺🇸 Cloudflare172.67.176.0/20 , 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
NScheryl.ns.cloudflare.com
A2606:4700:50::adf5:3a53🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcheryl.ns.cloudflare.com
A2803:f800:50::6ca2:c053🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRcheryl.ns.cloudflare.com
A2a06:98c1:50::ac40:2053🇺🇸 Cloudflare2a06:98c1:50::/45
PTRcheryl.ns.cloudflare.com
A108.162.192.83🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcheryl.ns.cloudflare.com
A172.64.32.83🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcheryl.ns.cloudflare.com
A173.245.58.83🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcheryl.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.36.17, 172.67.183.18
IPv6 hints2606:4700:3032::6815:2411, 2606:4700:3036::ac43:b712
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=224, name=cloudflare-ech.com
SOAburt.ns.cloudflare.comdns@cloudflare.com serial=2410215628

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=1785171257

Same first word

ibm-rational.com

Similar names

minobr-altai.ru

DNS History

11 records (6 active, 5 former)

202120222023202420252026NSburt.ns.cloudflare.comcheryl.ns.cloudflare.comns1.dnsdun.comns1.dnsdun.netA104.21.36.17172.67.183.182606:4700:3032::6815:24112606:4700:3036::ac43:b712156.241.77.732606:4700:3031::ac43:b7122606:4700:3034::6815:2411
●NSburt.ns.cloudflare.com2026-04-14 → 2026-07-27 · 3 obs
○ 2020-04-01 07:02:42
● 2026-04-14 04:15:18
● 2026-07-27 17:13:10
●NScheryl.ns.cloudflare.com2026-04-14 → 2026-07-27 · 3 obs
○ 2020-04-01 07:02:42
● 2026-04-14 04:15:18
● 2026-07-27 17:13:10
○NSns1.dnsdun.com2020-04-01 → 2020-04-01 · 3 obs
● 2020-04-01 07:02:42
○ 2026-04-14 04:15:18
○ 2026-07-27 17:13:10
○NSns1.dnsdun.net2020-04-01 → 2020-04-01 · 3 obs
● 2020-04-01 07:02:42
○ 2026-04-14 04:15:18
○ 2026-07-27 17:13:10
●A104.21.36.172026-04-14 → 2026-07-27 · 3 obs
○ 2020-04-01 07:02:42
● 2026-04-14 04:15:18
● 2026-07-27 17:13:10
○A156.241.77.732020-04-01 → 2020-04-01 · 3 obs
● 2020-04-01 07:02:42
○ 2026-04-14 04:15:18
○ 2026-07-27 17:13:10
●A172.67.183.182026-04-14 → 2026-07-27 · 3 obs
○ 2020-04-01 07:02:42
● 2026-04-14 04:15:18
● 2026-07-27 17:13:10
○A2606:4700:3031::ac43:b7122026-04-14 → 2026-06-06 · 5 obs
○ 2020-04-01 07:02:42
● 2026-04-14 04:15:18
● 2026-06-06 12:31:22
○ 2026-07-03 14:23:40
○ 2026-07-27 17:13:10
●A2606:4700:3032::6815:24112026-07-03 → 2026-07-27 · 3 obs
○ 2026-06-06 12:31:22
● 2026-07-03 14:23:40
● 2026-07-27 17:13:10
○A2606:4700:3034::6815:24112026-04-14 → 2026-06-06 · 5 obs
○ 2020-04-01 07:02:42
● 2026-04-14 04:15:18
● 2026-06-06 12:31:22
○ 2026-07-03 14:23:40
○ 2026-07-27 17:13:10
●A2606:4700:3036::ac43:b7122026-07-03 → 2026-07-27 · 3 obs
○ 2026-06-06 12:31:22
● 2026-07-03 14:23:40
● 2026-07-27 17:13:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
ibm-rational.comcheryl.ns.cloudflare.com, burt.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.83

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ibm-rational.com (unsigned zone)

⏱️ Timing

Total: 121ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.183.18, 104.21.36.17
AAAA22606:4700:3032::6815:2411, 2606:4700:3036::ac43:b712
NS2burt.ns.cloudflare.com, cheryl.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 (cheryl.ns.cloudflare.com, cheryl.ns.cloudflare.com, cheryl.ns.cloudflare.com...)

Analysis

IP Addresses

ibm-rational.com points to the four IP addresses 104.21.36.17, 172.67.183.18, 2606:4700:3032::6815:2411 and 2606:4700:3036::ac43:b712.

Two other host names, along with www.haozilian.com, vegashero1.pl and boursedecasa.com, also share IP numbers with ibm-rational.com.

Name Servers

DNS delegation for ibm-rational.com points to two name servers: burt.ns.cloudflare.com and cheryl.ns.cloudflare.com.

ibm-rational.com shares its NS records with other domains, for example dankellyconsulting.com, nu.org.bo, 7777miai.com and two others.

There is at least partial name server overlap between ibm-rational.com and other domains — mominv.co.za, tkdcouncil.com, 5kraken.cc and two more among them.

These name servers are routinely deployed together with the name servers logan.ns.cloudflare.com.

DNS names with 6 IP addresses:

burt.ns.cloudflare.com has IP addresses 108.162.193.79, 172.64.33.79 and 173.245.59.79, plus 3 other.

cheryl.ns.cloudflare.com has IP addresses 108.162.192.83, 172.64.32.83 and 173.245.58.83, plus 3 other.