`fedoracentrum.pl`

DNSSEC	⚠️ Not signed
NS	`ns-1199.awsdns-21.org` ⚠️ Not in zone NS records
		A	2600:9000:5304:af00::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1199.awsdns-21.org`
		A	205.251.196.175^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1199.awsdns-21.org`
NS	`ns-2040.awsdns-63.co.uk` ⚠️ Not in zone NS records
		A	2600:9000:5307:f800::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-2040.awsdns-63.co.uk`
		A	205.251.199.248^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-2040.awsdns-63.co.uk`
NS	`ns-449.awsdns-56.com` ⚠️ Not in zone NS records
		A	2600:9000:5301:c100::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-449.awsdns-56.com`
		A	205.251.193.193^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-449.awsdns-56.com`
NS	`ns-945.awsdns-54.net` ⚠️ Not in zone NS records
		A	2600:9000:5303:b100::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-945.awsdns-54.net`
		A	205.251.195.177^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-945.awsdns-54.net`

`pl`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a-dns.pl` ⭐
	NS	`b-dns.pl`
	NS	`d-dns.pl`
	NS	`f-dns.pl`
	NS	`h-dns.pl`
	NS	`j-dns.pl`
	TXT	`ccTLD of Poland`
	SOA	`a-dns.pl`dnsmaster@nask.pl serial=1778394880

WOT: SAFE (63/100)

Previously MX for

fedoracentrum.pl

Same first word

fedoracentrum.pl

Similar names

adcenterforum.com

adcenterforum.net

DNS History

9 records (4 active, 5 former)

●NSns-1199.awsdns-21.org2026-02-25 → 2026-05-11 · 3 obs

○ 2017-01-05 13:04:30
● 2026-02-25 16:18:26
● 2026-05-11 03:27:26

●NSns-2040.awsdns-63.co.uk2026-02-25 → 2026-05-11 · 3 obs

○ 2017-01-05 13:04:30
● 2026-02-25 16:18:26
● 2026-05-11 03:27:26

●NSns-449.awsdns-56.com2026-02-25 → 2026-05-11 · 3 obs

○ 2017-01-05 13:04:30
● 2026-02-25 16:18:26
● 2026-05-11 03:27:26

●NSns-945.awsdns-54.net2026-02-25 → 2026-05-11 · 3 obs

○ 2017-01-05 13:04:30
● 2026-02-25 16:18:26
● 2026-05-11 03:27:26

○NSns1.nazwa.pl2017-01-05 → 2017-01-05 · 3 obs

● 2017-01-05 13:04:30
○ 2026-02-25 16:18:26
○ 2026-05-11 03:27:26

○NSns2.nazwa.pl2017-01-05 → 2017-01-05 · 3 obs

● 2017-01-05 13:04:30
○ 2026-02-25 16:18:26
○ 2026-05-11 03:27:26

○NSns3.nazwa.pl2017-01-05 → 2017-01-05 · 3 obs

● 2017-01-05 13:04:30
○ 2026-02-25 16:18:26
○ 2026-05-11 03:27:26

○MXfedoracentrum.pl2017-01-05 → 2017-01-05 · 3 obs

● 2017-01-05 13:04:30
○ 2026-02-25 16:18:26
○ 2026-05-11 03:27:26

○A85.128.128.992017-01-05 → 2017-01-05 · 3 obs

● 2017-01-05 13:04:30
○ 2026-02-25 16:18:26
○ 2026-05-11 03:27:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pl	a-dns.pl, b-dns.pl, d-dns.pl, f-dns.pl...	-
fedoracentrum.pl	ns-449.awsdns-56.com, ns-945.awsdns-54.net, ns-1199.awsdns-21.org, ns-2040.awsdns-63.co.uk	-

✅ Authoritative Response

Server:205.251.199.248

NS records: ns-449.awsdns-56.com, ns-945.awsdns-54.net, ns-1199.awsdns-21.org, ns-2040.awsdns-63.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fedoracentrum.pl (unsigned zone)

⏱️ Timing

Total: 670ms | Queries: -

📄 Records

Type	Count	Sample Data

Analysis

Name Servers

fedoracentrum.pl is delegated to four name servers: ns-449.awsdns-56.com, ns-945.awsdns-54.net, ns-1199.awsdns-21.org and ns-2040.awsdns-63.co.uk.

fedoracentrum.pl at least partially shares name servers with other domains, for instance matricslearn.org.uk, ue1az.gotinder.com, d775ypbe1855i.cloudfront.net, 153.53.13.in-addr.arpa and freeforms.co.

These name servers are commonly used alongside ns1-24-eu-north-1.ec2-rdns.amazonaws.com, ns2-24-eu-north-1.ec2-rdns.amazonaws.com, ns3-24-eu-north-1.ec2-rdns.amazonaws.com, ns4-24-eu-north-1.ec2-rdns.amazonaws.com, ns-1761.awsdns-28.co.uk, ns-1007.awsdns-61.net and ns-1368.awsdns-43.org.

Host names with two IP numbers:

ns-449.awsdns-56.com points to 2600:9000:5301:c100::1 and 205.251.193.193; ns-945.awsdns-54.net points to 2600:9000:5303:b100::1 and 205.251.195.177; ns-1199.awsdns-21.org points to 2600:9000:5304:af00::1 and 205.251.196.175; ns-2040.awsdns-63.co.uk points to 2600:9000:5307:f800::1 and 205.251.199.248.

fedoracentrum.pl - robtex.com