Domain report: yellenge.nl

Registration

info

.nl country-code

Found

TLD: .nl (country-code)
ICANN policies apply: no

Lookup error: https://rdap.sidn.nl/domain/yellenge.nl returned HTTP 429

Checks

i

.nl is a country-code TLD (ccTLD)

Country-code TLD: governed by its local registry under national policy, not by an ICANN contract. Registrar accreditation, dispute resolution and RDAP/WHOIS rules are set by the registry.

#1
✓ TLD delegated and signed #2

.nl is delegated in the root zone and DNSSEC-signed.
i

Could not be checked

The RDAP lookup failed, so this could not be checked: https://rdap.sidn.nl/domain/yellenge.nl returned HTTP 429

#3

Delegation

warn

ns1.masterdns.nl, ns2.masterdns.nl

Found

Parent zone: nl
Delegation from: ns1.dns.nl (194.0.28.53)
NS at the parent: ns1.masterdns.nl, ns2.masterdns.nl
NS in the zone: ns1.masterdns.nl, ns2.masterdns.nl

Nameserver	Addresses	Network (AS)	Glue
ns1.masterdns.nl	185.168.85.11 2a0a:9fc0:1053::11	AS31673 UNISERVER-AS - Uniserver Internet B.V., NL AS31673 UNISERVER-AS - Uniserver Internet B.V., NL	185.168.85.11 2a0a:9fc0:1053::11
ns2.masterdns.nl	185.168.85.12 2a0a:9fc0:1053::12	AS31673 UNISERVER-AS - Uniserver Internet B.V., NL AS31673 UNISERVER-AS - Uniserver Internet B.V., NL	185.168.85.12 2a0a:9fc0:1053::12

Checks

i

2 nameservers

Two nameservers meet the minimum; RFC 2182 recommends three or more for important zones: ns1.masterdns.nl, ns2.masterdns.nl.

#6
✓ Parent and zone agree #7

The parent delegation and the zone's NS records list the same nameservers.
✓ No glue needed #8

All nameservers are outside the zone, so no glue records are needed.
✓ All names resolve #9

Every nameserver name has an address and is not an alias.
!

Nameservers in one network

all IPv4 addresses are in 185.168.85.0/24; all IPv6 addresses are in 2a0a:9fc0:1053::/48. A single network failure takes all nameservers down; RFC 2182 recommends topologically separate networks (anycast setups are an exception).

#10
i

All nameservers in one AS

All nameserver addresses are announced by one network operator (AS31673 (UNISERVER-AS - Uniserver Internet B.V., NL): 4 addresses). An outage or attack on that network affects all nameservers; large anycast providers mitigate this, but a secondary DNS provider adds independence.

#11
i

All nameserver names under .nl

All nameserver names are under one TLD, so a problem with that TLD also makes the nameservers unreachable. Some operators use names under two TLDs for extra resilience.

#12
✓ All reachable over IPv6 #13

Every nameserver has an IPv6 address.

Nameservers

warn

4 of 4 addresses answer authoritatively

Found

Nameserver	Answer	Recursion	TCP / EDNS	AXFR	Version
ns1.masterdns.nl 185.168.85.11	NOERROR, 10 ms, authoritative	no	yes / yes	refused	PowerDNS Authoritative Server 4.3.2 (built Mar 8 2021 10:28:08 by root@5b0daa176133)
ns1.masterdns.nl 2a0a:9fc0:1053::11	NOERROR, 11 ms, authoritative	no	yes / yes	refused	PowerDNS Authoritative Server 4.3.2 (built Mar 8 2021 10:28:08 by root@5b0daa176133)
ns2.masterdns.nl 185.168.85.12	NOERROR, 10 ms, authoritative	no	yes / yes	refused	PowerDNS Authoritative Server 4.3.2 (built Mar 8 2021 10:28:08 by root@5b0daa176133)
ns2.masterdns.nl 2a0a:9fc0:1053::12	NOERROR, 14 ms, authoritative	no	yes / yes	refused	PowerDNS Authoritative Server 4.3.2 (built Mar 8 2021 10:28:08 by root@5b0daa176133)

Checks

✓ All respond #14

All 4 nameserver addresses answered.
✓ All authoritative #15

Every responding nameserver answers authoritatively for the zone.
✓ No recursion #16

The nameservers do not answer recursive queries for other domains.
!

Software version disclosed

These nameservers report their software version via version.bind/version.server, which helps attackers find known vulnerabilities: ns1.masterdns.nl: "PowerDNS Authoritative Server 4.3.2 (built Mar 8 2021 10:28:08 by root@5b0daa176133)"; ns2.masterdns.nl: "PowerDNS Authoritative Server 4.3.2 (built Mar 8 2021 10:28:08 by root@5b0daa176133)". Hide or replace the version string.

#17
✓ Zone transfers refused #18

No nameserver allows a zone transfer to the public.
✓ TCP supported #19

All nameservers answer over TCP.
✓ EDNS supported #20

All nameservers support EDNS(0).
✓ Public addresses #21

All nameserver addresses are publicly routable.

SOA

pass

serial 2026072210 · primary ns1.masterdns.nl

Found

Primary (MNAME): ns1.masterdns.nl
Contact (RNAME): hostmaster.denit.net
Serial: 2026072210
Refresh / retry: 14400 s / 3600 s
Expire: 604800 s
Negative TTL: 10800 s

Serial per nameserver

Nameserver	Serial
ns1.masterdns.nl (185.168.85.11)	2026072210
ns1.masterdns.nl (2a0a:9fc0:1053::11)	2026072210
ns2.masterdns.nl (185.168.85.12)	2026072210
ns2.masterdns.nl (2a0a:9fc0:1053::12)	2026072210

Checks

✓ Serial 2026072210 everywhere #22

All nameservers serve the same version of the zone.
✓ Timers within recommendations #23

SOA refresh 4h, retry 1h, expire 7d, negative TTL 3h.
✓ Primary is a public nameserver #24

The primary nameserver ns1.masterdns.nl is one of the listed nameservers.
✓ Contact hostmaster@denit.net #25

The SOA RNAME hostmaster.denit.net means hostmaster@denit.net.
✓ Date-based serial #26

The serial 2026072210 follows the YYYYMMDDnn convention (2026-07-22).

DNSSEC

pass

Signed, DS published at parent

Found

Validated by resolver: yes
Denial of existence: NSEC3
NSEC3: 0 iterations, 0-byte salt
Signatures valid until: 5 November 2026

DS at the parent

Key tag	Algorithm	Digest	Matches a key
27063	ECDSAP256SHA256 (13)	SHA256 9C217D0841E8D40F…	yes

DNSKEY in the zone

Key tag	Role	Algorithm
27063	KSK (257)	ECDSAP256SHA256 (13)

Checks

✓ Signed and validated #27

The zone is signed, the parent publishes a DS record, and the resolver validates the answers.
✓ DS matches a key #28

The DS record at the parent matches a key in the zone: key tag 27063 (SHA256).
✓ Modern algorithms #29

Key algorithms: ECDSAP256SHA256 (13).
✓ Signatures valid until 2026-11-05 #30

The earliest DNSKEY/SOA signature expires at 2026-11-05 00:00 UTC.
✓ NSEC3 as recommended #31

The zone uses NSEC3 with 0 iterations and no salt (RFC 9276).

Records

info

15 records at the apex

Found

Read from: 185.168.85.11:53

Type	Value	TTL
SOA	ns1.masterdns.nl. hostmaster.denit.net. 2026072210 14400 3600 604800 10800	300
NS	ns2.masterdns.nl.	300
NS	ns1.masterdns.nl.	300
A	109.71.54.233	300
AAAA	2a03:3b00:1:0:700a:b7ff:fe10:1385	300
MX	10 mail.yellenge.nl.	300
TXT	"v=spf1 a mx include:spf7939.smtpeter.com include:spf.protection.outlook.com include:spf.mailcamp.nl include:mail.zendesk.com ~all"	300
TXT	"brevo-code:35b0dd231dd10f776e31270eb0b7d525"	300
TXT	"1password-site-verification=PR6FPV3LNJGBRN5QZZ3I6MVL3E"	300
TXT	"mistral-domain-verification=79cb07977766c99040e27e8882491f8e352ee060"	300
TXT	"MS=ms50935903"	300
TXT	"atlassian-domain-verification=WQSXR84j5Yf5WP4aR8b1pQ11iGhq6O4/5IiaQp7J9Q8PXNK4WVeaHIS71mHaGdxu"	300
TXT	"google-site-verification=cq3h4MM7SEi5rXL9IzDG0FFK2mTDVCXJORdfjcqpY18"	300
CAA	0 issue "letsencrypt.org"	300
CAA	0 issue "sectigo.com"	300

Checks

✓ TTLs within range #32

TTLs: A 5m, AAAA 5m, MX 5m, NS 5m. The NS TTL at the parent is 1h and in the zone 5m; resolvers may use either.
✓ No CNAME at the apex #33

The zone apex has no CNAME record.
i

Wildcard record

A random name under the zone resolves, so there is a wildcard (*) record. Typos and non-existent hosts resolve too, which can confuse mail and certificate checks.

#34
✓ CAA restricts issuance #35

Certificates may be issued by: letsencrypt.org, sectigo.com.