irefes.org.br - robtex.com

irefes.org.br

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:517d🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:a0e3🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.81.125Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.160.227🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSbayan.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b48🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbayan.ns.cloudflare.com
A2803:f800:50::6ca2:c148🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRbayan.ns.cloudflare.com
A2a06:98c1:50::ac40:2148🇺🇸 Cloudflare2a06:98c1:50::/45
PTRbayan.ns.cloudflare.com
A108.162.193.72🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbayan.ns.cloudflare.com
A172.64.33.72🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbayan.ns.cloudflare.com
A173.245.59.72🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbayan.ns.cloudflare.com
NSmegan.ns.cloudflare.com
A2606:4700:50::adf5:3ac5🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmegan.ns.cloudflare.com
A2803:f800:50::6ca2:c0c5🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmegan.ns.cloudflare.com
A2a06:98c1:50::ac40:20c5🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmegan.ns.cloudflare.com
A108.162.192.197🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmegan.ns.cloudflare.com
A172.64.32.197🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmegan.ns.cloudflare.com
A173.245.58.197🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmegan.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.81.125, 172.67.160.227
IPv6 hints2606:4700:3032::6815:517d, 2606:4700:3036::ac43:a0e3
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=156, name=cloudflare-ech.com
SOAbayan.ns.cloudflare.comdns@cloudflare.com serial=2408836455

org.br

DNSSEC⚠️ Not signed
NSa.dns.br ⭐ ⚠️ Not in parent delegation
NSb.dns.br ⚠️ Not in parent delegation
NSc.dns.br ⚠️ Not in parent delegation
NSd.dns.br ⚠️ Not in parent delegation
NSe.dns.br ⚠️ Not in parent delegation
NSf.dns.br ⚠️ Not in parent delegation
SOAa.dns.brhostmaster@registro.br serial=2026222468
WOT: SAFE (99/100)

Same first word

irefes.org.br

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DNS History

13 records (6 active, 7 former)

NSbayan.ns.cloudflare.commegan.ns.cloudflare.comns1.locaweb.com.brns2.locaweb.com.brns3.locaweb.com.brMXmx.a.locaweb.com.brmx.b.locaweb.com.brmx.jk.locaweb.com.brA104.21.81.125172.67.160.2272606:4700:3032::6815:517d2606:4700:3036::ac43:a0e3191.252.51.36
●NSbayan.ns.cloudflare.com2026-08-10 → 2026-08-10 · 3 obs
○ 2026-05-26 15:33:56
● 2026-08-10 20:22:34
● 2026-08-10 20:22:36
●NSmegan.ns.cloudflare.com2026-08-10 → 2026-08-10 · 3 obs
○ 2026-05-26 15:33:56
● 2026-08-10 20:22:34
● 2026-08-10 20:22:36
○NSns1.locaweb.com.br2026-04-24 → 2026-05-26 · 4 obs
● 2026-04-24 16:37:02
● 2026-05-26 15:33:56
○ 2026-08-10 20:22:34
○ 2026-08-10 20:22:36
○NSns2.locaweb.com.br2026-04-24 → 2026-05-26 · 4 obs
● 2026-04-24 16:37:02
● 2026-05-26 15:33:56
○ 2026-08-10 20:22:34
○ 2026-08-10 20:22:36
○NSns3.locaweb.com.br2026-04-24 → 2026-05-26 · 4 obs
● 2026-04-24 16:37:02
● 2026-05-26 15:33:56
○ 2026-08-10 20:22:34
○ 2026-08-10 20:22:36
○MXmx.a.locaweb.com.br2026-04-24 → 2026-05-26 · 4 obs
● 2026-04-24 16:37:02
● 2026-05-26 15:33:56
○ 2026-08-10 20:22:34
○ 2026-08-10 20:22:36
○MXmx.b.locaweb.com.br2026-04-24 → 2026-05-26 · 4 obs
● 2026-04-24 16:37:02
● 2026-05-26 15:33:56
○ 2026-08-10 20:22:34
○ 2026-08-10 20:22:36
○MXmx.jk.locaweb.com.br2026-04-24 → 2026-05-26 · 4 obs
● 2026-04-24 16:37:02
● 2026-05-26 15:33:56
○ 2026-08-10 20:22:34
○ 2026-08-10 20:22:36
●A104.21.81.1252026-08-10 → 2026-08-10 · 3 obs
○ 2026-05-26 15:33:56
● 2026-08-10 20:22:34
● 2026-08-10 20:22:36
●A172.67.160.2272026-08-10 → 2026-08-10 · 3 obs
○ 2026-05-26 15:33:56
● 2026-08-10 20:22:34
● 2026-08-10 20:22:36
○A191.252.51.362026-04-24 → 2026-05-26 · 4 obs
● 2026-04-24 16:37:02
● 2026-05-26 15:33:56
○ 2026-08-10 20:22:34
○ 2026-08-10 20:22:36
●A2606:4700:3032::6815:517d2026-08-10 → 2026-08-10 · 3 obs
○ 2026-05-26 15:33:56
● 2026-08-10 20:22:34
● 2026-08-10 20:22:36
●A2606:4700:3036::ac43:a0e32026-08-10 → 2026-08-10 · 3 obs
○ 2026-05-26 15:33:56
● 2026-08-10 20:22:34
● 2026-08-10 20:22:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
brd.dns.br, f.dns.br, a.dns.br, c.dns.br...-
irefes.org.brbayan.ns.cloudflare.com, megan.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.32.197

NS records: bayan.ns.cloudflare.com, megan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for irefes.org.br (unsigned zone)

⏱️ Timing

Total: 1061ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.160.227, 104.21.81.125
AAAA22606:4700:3032::6815:517d, 2606:4700:3036::ac43:a0e3
NS2bayan.ns.cloudflare.com, megan.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1bayan.ns.cloudflare.com dns.cloudflare.c

Analysis

IP Addresses

irefes.org.br directs to four IP numbers, which are 104.21.81.125, 172.67.160.227, 2606:4700:3032::6815:517d and 2606:4700:3036::ac43:a0e3.

Two other host names, along with clearsight.net, alphasynchq.top and giovannisuites.com, also share IP numbers with irefes.org.br.

Name Servers

DNS delegation for irefes.org.br points to two name servers: bayan.ns.cloudflare.com and megan.ns.cloudflare.com.

irefes.org.br shares its NS records with other domains, for example 4psa.hu, mirdinus.com, rack-soft.com and two others.

At least some of irefes.org.br's name servers are shared with other domains, for example pharmamarketresearchconference.com, googlemagic.biz, wiredstate.com and two more.

These name servers tend to be deployed in combination with the name servers donna.ns.cloudflare.com and lucy.ns.cloudflare.com.

DNS names with 6 IP addresses:

bayan.ns.cloudflare.com has IP addresses 108.162.193.72, 172.64.33.72 and 173.245.59.72, plus 3 other.

megan.ns.cloudflare.com has IP addresses 108.162.192.197, 172.64.32.197 and 173.245.58.197, plus 3 other.