knb.nl
iAll checks passed
30 passed
0 warnings
0 failed
5 info
Registration
info.nl country-code · Gandi
Found
- TLD
- .nl (country-code)
- ICANN policies apply
- no
- Registrar
- Gandi
- Registered
- 20 November 1997
- Last changed
- 13 March 2025
- Status
- active
- Registry nameservers
- ns-1450.awsdns-53.org, ns-1603.awsdns-08.co.uk, ns-377.awsdns-47.com, ns-839.awsdns-40.net
- RDAP server
- https://rdap.sidn.nl/
Checks
-
i#1.nl is a country-code TLD (ccTLD)
-
✓ TLD delegated and signed #2
-
i#3Expiry date not published
-
i#4No transfer lock
-
✓ Registry and delegation match #5
Delegation
infons-1450.awsdns-53.org, ns-1603.awsdns-08.co.uk, ns-377.awsdns-47.com, ns-839.awsdns-40.net
Found
- Parent zone
- nl
- Delegation from
- ns1.dns.nl (194.0.28.53)
- NS at the parent
- ns-1450.awsdns-53.org, ns-1603.awsdns-08.co.uk, ns-377.awsdns-47.com, ns-839.awsdns-40.net
- NS in the zone
- ns-1450.awsdns-53.org, ns-1603.awsdns-08.co.uk, ns-377.awsdns-47.com, ns-839.awsdns-40.net
| Nameserver | Addresses | Network (AS) | Glue |
|---|---|---|---|
| ns-1450.awsdns-53.org | 205.251.197.170 2600:9000:5305:aa00::1 | AS16509 AMAZON-02 - Amazon.com, Inc., US AS16509 AMAZON-02 - Amazon.com, Inc., US | - |
| ns-1603.awsdns-08.co.uk | 205.251.198.67 2600:9000:5306:4300::1 | AS16509 AMAZON-02 - Amazon.com, Inc., US AS16509 AMAZON-02 - Amazon.com, Inc., US | - |
| ns-377.awsdns-47.com | 205.251.193.121 2600:9000:5301:7900::1 | AS16509 AMAZON-02 - Amazon.com, Inc., US AS16509 AMAZON-02 - Amazon.com, Inc., US | - |
| ns-839.awsdns-40.net | 205.251.195.71 2600:9000:5303:4700::1 | AS16509 AMAZON-02 - Amazon.com, Inc., US AS16509 AMAZON-02 - Amazon.com, Inc., US | - |
Checks
-
✓ 4 nameservers #6
-
✓ Parent and zone agree #7
-
✓ No glue needed #8
-
✓ All names resolve #9
-
✓ Nameservers in different networks #10
-
i#11All nameservers in one AS
-
✓ Nameserver names under 4 TLDs #12
-
✓ All reachable over IPv6 #13
Nameservers
pass8 of 8 addresses answer authoritatively
Found
| Nameserver | Answer | Recursion | TCP / EDNS | AXFR | Version |
|---|---|---|---|---|---|
| ns-1450.awsdns-53.org 205.251.197.170 | NOERROR, 4 ms, authoritative | no | yes / yes | refused | - |
| ns-1450.awsdns-53.org 2600:9000:5305:aa00::1 | NOERROR, 4 ms, authoritative | no | yes / yes | refused | - |
| ns-1603.awsdns-08.co.uk 205.251.198.67 | NOERROR, 9 ms, authoritative | no | yes / yes | refused | - |
| ns-1603.awsdns-08.co.uk 2600:9000:5306:4300::1 | NOERROR, 9 ms, authoritative | no | yes / yes | refused | - |
| ns-377.awsdns-47.com 205.251.193.121 | NOERROR, 9 ms, authoritative | no | yes / yes | refused | - |
| ns-377.awsdns-47.com 2600:9000:5301:7900::1 | NOERROR, 9 ms, authoritative | no | yes / yes | refused | - |
| ns-839.awsdns-40.net 205.251.195.71 | NOERROR, 4 ms, authoritative | no | yes / yes | refused | - |
| ns-839.awsdns-40.net 2600:9000:5303:4700::1 | NOERROR, 4 ms, authoritative | no | yes / yes | refused | - |
Checks
-
✓ All respond #14
-
✓ All authoritative #15
-
✓ No recursion #16
-
✓ No version disclosed #17
-
✓ Zone transfers refused #18
-
✓ TCP supported #19
-
✓ EDNS supported #20
-
✓ Public addresses #21
SOA
passserial 1 · primary ns-377.awsdns-47.com
Found
- Primary (MNAME)
- ns-377.awsdns-47.com
- Contact (RNAME)
- awsdns-hostmaster.amazon.com
- Serial
- 1
- Refresh / retry
- 7200 s / 900 s
- Expire
- 1209600 s
- Negative TTL
- 86400 s
Serial per nameserver
| Nameserver | Serial |
|---|---|
| ns-1450.awsdns-53.org (205.251.197.170) | 1 |
| ns-1450.awsdns-53.org (2600:9000:5305:aa00::1) | 1 |
| ns-1603.awsdns-08.co.uk (205.251.198.67) | 1 |
| ns-1603.awsdns-08.co.uk (2600:9000:5306:4300::1) | 1 |
| ns-377.awsdns-47.com (205.251.193.121) | 1 |
| ns-377.awsdns-47.com (2600:9000:5301:7900::1) | 1 |
| ns-839.awsdns-40.net (205.251.195.71) | 1 |
| ns-839.awsdns-40.net (2600:9000:5303:4700::1) | 1 |
Checks
-
✓ Serial 1 everywhere #22
-
✓ Timers within recommendations #23
-
✓ Primary is a public nameserver #24
-
✓ Contact awsdns-hostmaster@amazon.com #25
-
✓ Counter serial #26
DNSSEC
infoSigned, DS published at parent
Found
- Validated by resolver
- yes
- Denial of existence
- NSEC
- Signatures valid until
- 22 October 2026
DS at the parent
| Key tag | Algorithm | Digest | Matches a key |
|---|---|---|---|
| 16401 | ECDSAP256SHA256 (13) | SHA256 03417B0D03BC7243… | yes |
DNSKEY in the zone
| Key tag | Role | Algorithm |
|---|---|---|
| 48260 | ZSK (256) | ECDSAP256SHA256 (13) |
| 34797 | ZSK (256) | ECDSAP256SHA256 (13) |
| 16401 | KSK (257) | ECDSAP256SHA256 (13) |
Checks
-
✓ Signed and validated #27
-
✓ DS matches a key #28
-
✓ Modern algorithms #29
-
✓ Short-lived signatures (online signing) #30
-
i#31NSEC
Records
pass30 records at the apex
Found
- Read from
- 205.251.197.170:53
| Type | Value | TTL |
|---|---|---|
| SOA | ns-377.awsdns-47.com. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400 | 900 |
| NS | ns-1450.awsdns-53.org. | 172800 |
| NS | ns-1603.awsdns-08.co.uk. | 172800 |
| NS | ns-377.awsdns-47.com. | 172800 |
| NS | ns-839.awsdns-40.net. | 172800 |
| A | 185.38.232.233 | 300 |
| AAAA | 2a02:720:9:8::233 | 300 |
| MX | 0 knb-nl.mail.protection.outlook.com. | 21600 |
| TXT | "053qg97p7vbpjkbmpqqk2fd26kjvd40v" | 21600 |
| TXT | "10t72xszf11982s0yrwwpttcnyywdnth" | 21600 |
| TXT | "2qrrkj6685mhmc6dcmnk8z57qzw7pbm4" | 21600 |
| TXT | "442985y65c0t4dw1vp04c30smtnnqbf0" | 21600 |
| TXT | "4sx5hy9j9p1nx67c916qgclk9lt0n2r5" | 21600 |
| TXT | "5011zp5j75dfx8ksj14k7ffrqbdwgz81" | 21600 |
| TXT | "MS=ms40087332" | 21600 |
| TXT | "amazonses:m93T8J/l3+BhyBY1WT6KsLtEU13a+uJpNqF18GXZjro=" | 21600 |
| TXT | "apple-domain-verification=6FzWf3DODu770cM7" | 21600 |
| TXT | "atlassian-domain-verification=tYFIyn7lQJuXakBGnb8/v9aCeGhvbNnVs4clNjbjMhyYCvFv0H577j8xg1q7CN8H" | 21600 |
| TXT | "cd4mdv72w6xyv4cw73x0ghn12y9cpt4k" | 21600 |
| TXT | "dczjlwk1xqyqlfzwpbzk2m3ygbb6pr6x" | 21600 |
| TXT | "dqr8s1wh9kktg8wkk5blyfn7ht9q7dd6" | 21600 |
| TXT | "g0xt4lrlv8pllx883p2yxsvg8408m9ld" | 21600 |
| TXT | "meDupeHbTlU80gkemVBnjFJb2etulgd9d0IezgfQI5KxYBdSsyYWG7zmRRbLt4nHzSYJklxBbmuXE7U41amEBQ==" | 21600 |
| TXT | "pq53x94m3wsdvxfr39p6695q2h58p0f0" | 21600 |
| TXT | "v=spf1 include:_spf.exactonline.nl include:spf.mailjet.com ip4:212.178.133.230 ip4:141.255.179.47 ip4:46.226.60.151 include:spf.pe-online.org include:spf.protection.outlook.com include:_spf.iprox.nl -all" | 21600 |
| CAA | 0 issue "KPN.COM" | 21600 |
| CAA | 0 issue "comodoca.com" | 21600 |
| CAA | 0 issue "digicert.com" | 21600 |
| CAA | 0 issue "letsencrypt.org" | 21600 |
| CAA | 0 issue "sectigo.com" | 21600 |
Checks
-
✓ TTLs within range #32
-
✓ No CNAME at the apex #33
-
✓ No wildcard #34
-
✓ CAA restricts issuance #35