mail.knowledgecircle.pt - dns.ninja

`mail.knowledgecircle.pt`

DNSSEC	⚠️ Not signed
A	193.137.231.248^{🇵🇹 RCCN193.136.0.0/15 -AGGREGATED-NET}
		PTR	`mail.ipca.pt`
		PTR	`tango.ipca.pt`

`knowledgecircle.pt`

	DNSSEC	⚠️ Not signed
	A	193.137.192.37^{🇵🇹 RCCN193.136.0.0/15 -AGGREGATED-NET}
	NS	`ns1.knowledgecircle.pt` ⭐ ⚠️ Not in parent delegation
	NS	`ns.ipca.pt` ⚠️ Not in zone NS records
	NS	`ns.knowledgecircle.pt` ⚠️ Not in parent delegation
	NS	`ns1.ipca.pt` ⚠️ Not in zone NS records
	MX	`mail.knowledgecircle.pt` ⭐
	TXT	`HARICA-OHw4gpWyLtDWg9JX2RD`
	TXT	`v=spf1 include:ip4:193.137.231.224/27 -all`
	SOA	`ns.knowledgecircle.pt`admin@ipca.pt 2026-07-20 #12

MX for

knowledgecircle.pt

Same first word

mail.cab

mail.vn.ua

mail.lat

mail.mg.gov.br

mail.kiev.ua

mail.mydns.tw

mail.report

mail.fail

mail.gov.ee

mail.blogspot.com

mail.gob.bo

mail.dnsfor.me

mail.dix.asia

mail.gov.nr

mail.sg

mail.eu.com

mail.camp

mail.nic.za

mail.pink

mail.vg

mail.guide

mail.chips.jp

mail.info

mail.simplesite.com

mail.gw

mail.tv

mail.jellybean.jp

mail.eg

mail.chu.jp

mail.gouv.sn

mail.gov.la

mail.sub.jp

mail.co.ro

mail.com.sg

mail.kikirara.jp

mail.mydns.jp

mail.hr

mail.gov.tn

mail.pb.gov.br

mail.oops.jp

mail.eu

mail.(0x7075737379)cat.jp

mail.tm

mail.boo.jp

mail.co.za

mail.zp.ua

mail.ac.me

mail.info.at

mail.nis.za

mail.mysecuritycamera.org

mail.gov.ua

mail.net.ua

mail.com.au

mail.cat

mail.vin

mail.stripper.jp

mail.tg

mail.ciao.jp

mail.gov.vc

mail.realm.cz

mail.vu

mail.trading

mail.center

mail.fi

mail.kg

mail.mayfirst.org

mail.systems

mail.itigo.jp

mail.cl

mail.vc

mail.babymilk.jp

mail.gov.by

mail.chat

mail.fastvps.host

mail.style

mail.altervista.org

mail.monster

mail.awsapps.com

mail.biz

mail.gov.lv

mail.jetzt

mail.kh.ua

mail.ru

mail.myeffect.net

mail.myshopify.com

mail.123hjemmeside.dk

mail.ml

mail.fo

mail.expert

mail.mil.tm

mail.team

mail.com.ru

mail.tn

mail.serveftp.com

mail.by

mail.peewee.jp

mail.virtualuser.de

mail.charity

mail.exchange

mail.live

mail.lk3.ru

mail.ap.gov.br

mail.dp.ua

mail.myjino.ru

mail.space

mail.net.ph

mail.rr.gov.br

mail.read-books.org

mail.ilovecollege.info

mail.gmx

mail.info.pl

mail.community

mail.cleaning

mail.bh

mail.site

mail.select

mail.email

mail.blue

mail.st

mail.tools

mail.sy

mail.li

mail.rw

mail.vision

mail.sk

mail.at

mail.surf

mail.gov.ge

mail.dating

mail.travel

mail.td

mail.nr

mail.nrw

mail.xyz

mail.loginto.me

mail.bio

mail.dk

mail.main.jp

mail.graphics

mail.lc

mail.city

mail.yt

mail.watch

mail.lomo.jp

mail.lu

mail.tel

mail.ws

mail.holiday

mail.zombie.jp

mail.ma

mail.mr

mail.gov.af

mail.hashbang.sh

mail.mil.ru

mail.schwarz

mail.co.uk

mail.net.mk

mail.rj.gov.br

mail.freedesktop.org

mail.direct

mail.yandex

mail.sh.cn

mail.vacations

mail.my

mail.gov.mz

mail.gov.ph

Similar names

mail.directory

mail.freemyip.com

mail.hk.com

mail.mh

mail.gov.mw

amil.network

mlia.de

alim.it

ialm.org

mail.gov.bn

mail.mmafan.biz

mail.ky

liam.com.au

mail.synology-diskstation.de

mail.schoolbus.jp

lima.myds.me

lima.cn

alim.sk

mail.cn.ua

lami.com.mx

lima.capital

mail.uz.ua

mali.ro

lami.co

lima.org.za

mail.cool

iaml.net

mail.uk

mail.ru.com

mail.littlestar.jp

mail.com.se

ialm.net

mila.by

lami.glass

mail.gov.ao

amil.site

mail.me

aiml.cc

mila.gallery

mail.ac.gov.br

mail.edu.me

iaml.pl

ilam.org.nz

liam.page

mail.gov.ru

mail.pr

mila.je

mail.mlbfan.org

mila.fit

lima.it

mail.ph

lima.net

mail.nhlfan.net

mail.gru.br

mlai.biz

lima.nu

mail.gl

mail.link

mail.no

ilma.pl

mail.net.vn

mail.lib.wy.us

lami.com.au

mail.pictures

ilma.org

mail.gov.kg

mail.ag

mail.hk

mail.win

mail.net

ilam.ph

amli.fi

ilma.wpmudev.host

mail.ne.kr

mail.support

ilam.org.tr

mail.de

mail.hacca.jp

mail.moo.jp

almi.ru

liam.nu

mail.new

amil.gal

imal.org.mx

mail.teva

mail.gov.al

mail.kapsi.fi

mail.cutegirl.jp

mali.com

mail.gov.az

mail.io

mail.cash

mail.eus

mail.firewall-gateway.com

mali.ru

amli.kommune.no

mlai.melbourne

mail.pro

mail.pupu.jp

mail.vivian.jp

DNS History

1 record (1 active, 0 former)

●A193.137.231.2482026-07-25 → 2026-07-25 · 2 obs

● 2026-07-25 04:15:38
● 2026-07-25 05:25:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pt	a.dns.pt, b.dns.pt, c.dns.pt, d.dns.pt...	18 records
knowledgecircle.pt	ns1.ipca.pt, ns.ipca.pt	2 records

✅ Authoritative Response

Server:193.137.231.253

NS records: ns1.ipca.pt, ns.ipca.pt

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 3671ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`193.137.231.248`

📌 Glue Records Collected

Total: 20

In-bailiwick: 14 (a.dns.pt, a.dns.pt, b.dns.pt...)

Out-of-bailiwick: 6 (ns.dns.br, ns.dns.br, ns2.nic.fr...)

Analysis

Mail Server Role

Mail for knowledgecircle.pt is routed through the mail server mail.knowledgecircle.pt.

IP Addresses

mail.knowledgecircle.pt has exactly one IP address — 193.137.231.248.

Host names such as tango.ipca.pt and mail.ipca.pt share IP numbers with mail.knowledgecircle.pt.