`mail.bcs.pl`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::ac43:b790^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:43fe^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.67.254^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.183.144^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.67.254, 172.67.183.144
		IPv6 hints	2606:4700:3033::ac43:b790, 2606:4700:3035::6815:43fe
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=27, name=cloudflare-ech.com

`bcs.pl`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::ac43:b790^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:43fe^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.67.254^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.183.144^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`sonny.ns.cloudflare.com` ⭐
NS	`walk.ns.cloudflare.com`
MX	`serwer2414158.home.pl` ⭐
TXT	`google-site-verification=NNAbTBSBk7nnpvhotLxDFOD-V5wvhXppUfYCvP8sREk`
TXT	`v=spf1 ip4:62.129.204.136 -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.67.254, 172.67.183.144
		IPv6 hints	2606:4700:3033::ac43:b790, 2606:4700:3035::6815:43fe
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=27, name=cloudflare-ech.com
SOA	`sonny.ns.cloudflare.com`dns@cloudflare.com serial=2407886060

WOT: SAFE (61/100)
WOT: SAFE (66/100)

Previously MX for

bcs.pl

Same first word

mail.priv.pl

mail.mw

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mail.sdscloud.pl

mail.az

mail.is

mail.gov.zw

mail.id

mail.tr

mail.tt

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mail.readymade.jp

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mail.it.com

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mail.group

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mail.supply

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mail.party

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mail.coop

mail.directory

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mail.com.tw

mail.hk.com

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mail.gov.mw

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DNS History

16 records (4 active, 12 former)

●A104.21.67.2542026-05-16 → 2026-08-04 · 9 obs

○ 2016-08-25 07:04:10
● 2026-05-16 13:49:34
● 2026-05-27 19:18:02
○ 2026-05-28 23:32:00
● 2026-06-08 08:34:42
● 2026-06-16 16:14:06
○ 2026-06-16 23:49:50
● 2026-06-17 00:29:10
● 2026-08-04 06:20:10

●A172.67.183.1442026-05-16 → 2026-08-04 · 9 obs

○A188.114.96.02026-05-28 → 2026-05-28 · 4 obs

○ 2026-05-27 19:18:02
● 2026-05-28 23:32:00
○ 2026-06-08 08:34:42
○ 2026-08-04 06:20:10

○A188.114.96.42026-06-16 → 2026-06-16 · 4 obs

○ 2026-06-16 16:14:06
● 2026-06-16 23:49:50
○ 2026-06-17 00:29:10
○ 2026-08-04 06:20:10

○A188.114.97.02026-05-28 → 2026-05-28 · 4 obs

○ 2026-05-27 19:18:02
● 2026-05-28 23:32:00
○ 2026-06-08 08:34:42
○ 2026-08-04 06:20:10

○A188.114.97.42026-06-16 → 2026-06-16 · 4 obs

○ 2026-06-16 16:14:06
● 2026-06-16 23:49:50
○ 2026-06-17 00:29:10
○ 2026-08-04 06:20:10

○A2606:4700:3031::ac43:b7902026-05-16 → 2026-06-17 · 10 obs

○A2606:4700:3032::6815:43fe2026-05-16 → 2026-06-17 · 10 obs

●A2606:4700:3033::ac43:b7902026-06-28 → 2026-08-04 · 3 obs

○ 2026-06-17 00:29:10
● 2026-06-28 17:38:20
● 2026-08-04 06:20:10

●A2606:4700:3035::6815:43fe2026-06-28 → 2026-08-04 · 3 obs

○ 2026-06-17 00:29:10
● 2026-06-28 17:38:20
● 2026-08-04 06:20:10

○A2a06:98c1:3120::2026-05-28 → 2026-05-28 · 4 obs

○ 2026-05-27 19:18:02
● 2026-05-28 23:32:00
○ 2026-06-08 08:34:42
○ 2026-08-04 06:20:10

○A2a06:98c1:3120::42026-06-16 → 2026-06-16 · 4 obs

○ 2026-06-16 16:14:06
● 2026-06-16 23:49:50
○ 2026-06-17 00:29:10
○ 2026-08-04 06:20:10

○A2a06:98c1:3121::2026-05-28 → 2026-05-28 · 4 obs

○ 2026-05-27 19:18:02
● 2026-05-28 23:32:00
○ 2026-06-08 08:34:42
○ 2026-08-04 06:20:10

○A2a06:98c1:3121::42026-06-16 → 2026-06-16 · 4 obs

○ 2026-06-16 16:14:06
● 2026-06-16 23:49:50
○ 2026-06-17 00:29:10
○ 2026-08-04 06:20:10

○A91.241.5.622016-08-25 → 2016-08-25 · 3 obs

● 2016-08-25 07:04:10
○ 2026-05-16 13:49:34
○ 2026-08-04 06:20:10

○CNAMEbcs.pl2026-05-16 → 2026-08-04 · 2 obs

○ 2026-05-16 13:49:34
○ 2026-08-04 06:20:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pl	j-dns.pl, a-dns.pl, b-dns.pl, d-dns.pl...	-
bcs.pl	sonny.ns.cloudflare.com, walk.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.35.66

NS records: sonny.ns.cloudflare.com, walk.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bcs.pl (unsigned zone)

⏱️ Timing

Total: 932ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.67.254, 172.67.183.144`
AAAA	2	`2606:4700:3033::ac43:b790, 2606:4700:3035::6815:43fe`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

Analysis

IP Addresses

mail.bcs.pl has four IP addresses: 104.21.67.254, 172.67.183.144, 2606:4700:3033::ac43:b790 and 2606:4700:3035::6815:43fe.

matahari88gass.com, wpbkw.com, cdn.getcata.com plus two other host names have IP numbers in common with mail.bcs.pl.

mail.bcs.pl - robtex.com

mail.bcs.pl

bcs.pl

Previously MX for

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

`mail.bcs.pl`

`bcs.pl`