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example.uk

domain Resolves DNSSEC validated

DNS by Cloudflare · Nameservers: NS 13 2 86400 20261028172820 20261026152820 34505 example.uk. WDa/gS19+UgkIrBKYmDQfjF3K8u9H2Do26NcN1CyhyG89WjZIwpbim4ACzt+z6YmpoizOVm4lmU9TN71xNPVlQ==, curt.ns.cloudflare.com, dee.ns.cloudflare.com

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80 / 100 · Fair 4 pass 1 caution 1 fail 2 note Checked 0 seconds ago · 346 ms

Findings

  • Fail 1 nameserver(s) do not answer authoritatively DNS-LAME-DELEGATION

    NS 13 2 86400 20261028172820 20261026152820 34505 example.uk. WDa/gS19+UgkIrBKYmDQfjF3K8u9H2Do26NcN1CyhyG89WjZIwpbim4ACzt+z6YmpoizOVm4lmU9TN71xNPVlQ== (does not resolve)

    How to fix: Every delegated nameserver must host the zone and answer with the AA flag. Remove servers that no longer serve the zone or load the zone onto them.

    Read the fix guide →

  • Caution NS set inside the zone differs from the delegation DNS-NS-SET-MISMATCH

    curt.ns.cloudflare.com lists: curt.ns.cloudflare.com, dee.ns.cloudflare.com

    How to fix: Keep the NS records in the zone identical to the nameservers configured at the registrar.

    Read the fix guide →

  • Note No MX records DNS-NO-MX

    Mail for this domain falls back to the A record, or the domain does not receive mail.

    Read the fix guide →

  • Note No CAA record DNS-NO-CAA

    Any certificate authority may issue certificates for this domain.

    Read the fix guide →

  • Pass Zone transfers are refused to outsiders DNS-AXFR-CLOSED

    2 server(s) tested

  • Pass Nameservers agree on the zone serial DNS-SERIAL-OK

    2417214191

  • Pass IPv6 address published for the apex DNS-IPV6-OK
  • Pass DNSSEC signed and validated DNSSEC-VALIDATED

    DS at the parent matches a DNSKEY in the zone; the validating resolver set the AD flag.

Records

All
NS SOA A AAAA www (A) DNSKEY DS (parent) HTTPS

NS 3

NameTypeTTLValue
example.uk NS 86400 dee.ns.cloudflare.com.
example.uk NS 86400 curt.ns.cloudflare.com.
example.uk RRSIG 86400 covers NS until 20261028172820 key 34505

SOA 2

NameTypeTTLValue
example.uk SOA 1800 primary curt.ns.cloudflare.com contact dns.cloudflare.com serial 2417214191 refresh/retry/expire/min 10000/2400/604800/1800
example.uk RRSIG 1800 covers SOA until 20261028172820 key 34505

A 3

NameTypeTTLValue
example.uk A 300 104.21.5.94
example.uk A 300 172.67.133.65
example.uk RRSIG 300 covers A until 20261028172820 key 34505

AAAA 3

NameTypeTTLValue
example.uk AAAA 300 2606:4700:3031:0:0:0:ac43:8541
example.uk AAAA 300 2606:4700:3035:0:0:0:6815:55e
example.uk RRSIG 300 covers AAAA until 20261028172820 key 34505

www (A) 3

NameTypeTTLValue
www.example.uk A 300 104.21.5.94
www.example.uk A 300 172.67.133.65
www.example.uk RRSIG 300 covers A until 20261028172820 key 34505

MX 0

No MX records (NOERROR).

TXT 0

No TXT records (NOERROR).

CAA 0

No CAA records (NOERROR).

SRV 0

No SRV records (NOERROR).

DNSKEY 3

NameTypeTTLValue
example.uk DNSKEY 713 ZSK alg 13 oJMRESz5E4gYzS/q6XDrvU1qMPYIjCWzJaOau8XN...
example.uk DNSKEY 713 KSK alg 13 mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopK...
example.uk RRSIG 713 covers DNSKEY until 20261210142127 key 2371

DS (parent) 2

NameTypeTTLValue
example.uk DS 3600 2371 13 2 efae4e6af9f06643b4f72afa47e8110331bde5162f188626456183be590732be
example.uk RRSIG 3600 covers DS until 20261125002637 key 64744

HTTPS 2

NameTypeTTLValue
example.uk HTTPS 300 1 . alpn="h3,h2" ipv4hint=104.21.5.94,172.67.133.65 ech=AEX+DQBB6wAgACAbbsjPCLtZIa62Loutvoih3vYoXIanfU+unuznDtwCRwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031:0:0:0:ac43:8541,2606:4700:3035:0:0:0:6815:55e
example.uk RRSIG 300 covers HTTPS until 20261028172820 key 34505

Nameserver agreement

ServerAddressAuthoritativeSerialTime
NS 13 2 86400 20261028172820 20261026152820 34505 example.uk. WDa/gS19+UgkIrBKYmDQfjF3K8u9H2Do26NcN1CyhyG89WjZIwpbim4ACzt+z6YmpoizOVm4lmU9TN71xNPVlQ== — no · does not resolve — —
curt.ns.cloudflare.com 108.162.193.94, 172.64.33.94, 173.245.59.94, 2606:4700:58:0:0:0:adf5:3b5e, 2803:f800:50:0:0:0:6ca2:c15e, 2a06:98c1:50:0:0:0:ac40:215e yes 2417214191 8 ms
dee.ns.cloudflare.com 108.162.192.93, 172.64.32.93, 173.245.58.93, 2606:4700:50:0:0:0:adf5:3a5d, 2803:f800:50:0:0:0:6ca2:c05d, 2a06:98c1:50:0:0:0:ac40:205d yes 2417214191 8 ms

Zone transfer (AXFR)

  • curt.ns.cloudflare.com108.162.193.94refused (FORMERR)
  • dee.ns.cloudflare.com108.162.192.93refused (FORMERR)