Domain report: triodos.be

Registration

info

.be country-code

Found

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

Checks

i

.be 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

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

Registration data not available

No registration data via RDAP: the registry of .be offers no RDAP service. Many ccTLD registries don't offer RDAP; check the registry's WHOIS instead.

#3

Delegation

pass

nsauth1.bit.nl, nsauth2.bit.nl, nsauth3.bitnl.eu

Found

Parent zone: be
Delegation from: a.nsset.be (194.0.6.1)
NS at the parent: nsauth1.bit.nl, nsauth2.bit.nl, nsauth3.bitnl.eu
NS in the zone: nsauth1.bit.nl, nsauth2.bit.nl, nsauth3.bitnl.eu

Nameserver	Addresses	Network (AS)	Glue
nsauth1.bit.nl	213.136.12.51 2001:7b8:3:2c::53	AS12859 NL-BIT - BIT BV, NL AS12859 NL-BIT - BIT BV, NL	-
nsauth2.bit.nl	213.136.12.59 2001:7b8:3:2d::53	AS12859 NL-BIT - BIT BV, NL AS12859 NL-BIT - BIT BV, NL	-
nsauth3.bitnl.eu	85.17.15.88 2001:1af8:4700:a119:16:0:8517:1588	AS60781 LEASEWEB-NL-AMS-01 - LeaseWeb Netherlands B.V., NL AS60781 LEASEWEB-NL-AMS-01 - LeaseWeb Netherlands B.V., NL	-

Checks

✓ 3 nameservers #6

Delegated to nsauth1.bit.nl, nsauth2.bit.nl, nsauth3.bitnl.eu.
✓ 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 different networks #10

The nameservers are spread over 2 IPv4 /24s and 2 IPv6 /48s.
✓ 2 autonomous systems #11

The nameservers are spread over: AS12859 (NL-BIT - BIT BV, NL): 4 addresses; AS60781 (LEASEWEB-NL-AMS-01 - LeaseWeb Netherlands B.V., NL): 2 addresses.
✓ Nameserver names under 2 TLDs #12

Nameserver names use the TLDs .eu, .nl.
✓ All reachable over IPv6 #13

Every nameserver has an IPv6 address.

Nameservers

warn

6 of 6 addresses answer authoritatively

Found

Nameserver	Answer	Recursion	TCP / EDNS	AXFR	Version
nsauth1.bit.nl 213.136.12.51	NOERROR, 13 ms, authoritative	no	yes / yes	refused	PowerDNS Authoritative Server 4.9.15 (built May 11 2026 09:10:06 by root@localhost)
nsauth1.bit.nl 2001:7b8:3:2c::53	NOERROR, 12 ms, authoritative	no	yes / yes	refused	PowerDNS Authoritative Server 4.9.15 (built May 11 2026 09:10:06 by root@localhost)
nsauth2.bit.nl 213.136.12.59	NOERROR, 11 ms, authoritative	no	yes / yes	refused	PowerDNS Authoritative Server 4.9.15 (built May 11 2026 09:10:06 by root@localhost)
nsauth2.bit.nl 2001:7b8:3:2d::53	NOERROR, 13 ms, authoritative	no	yes / yes	refused	PowerDNS Authoritative Server 4.9.15 (built May 11 2026 09:10:06 by root@localhost)
nsauth3.bitnl.eu 85.17.15.88	NOERROR, 9 ms, authoritative	no	yes / yes	refused	PowerDNS Authoritative Server 4.9.11 (built Oct 15 2025 10:16:15 by root@localhost)
nsauth3.bitnl.eu 2001:1af8:4700:a119:16:0:8517:1588	NOERROR, 10 ms, authoritative	no	yes / yes	refused	PowerDNS Authoritative Server 4.9.11 (built Oct 15 2025 10:16:15 by root@localhost)

Checks

✓ All respond #14

All 6 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: nsauth1.bit.nl: "PowerDNS Authoritative Server 4.9.15 (built May 11 2026 09:10:06 by root@localhost)"; nsauth2.bit.nl: "PowerDNS Authoritative Server 4.9.15 (built May 11 2026 09:10:06 by root@localhost)"; nsauth3.bitnl.eu: "PowerDNS Authoritative Server 4.9.11 (built Oct 15 2025 10:16:15 by root@localhost)". 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 2026092801 · primary nsauth1.bit.nl

Found

Primary (MNAME): nsauth1.bit.nl
Contact (RNAME): hostmaster.bit.nl
Serial: 2026092801
Refresh / retry: 28800 s / 7200 s
Expire: 604800 s
Negative TTL: 43200 s

Serial per nameserver

Nameserver	Serial
nsauth1.bit.nl (213.136.12.51)	2026092801
nsauth1.bit.nl (2001:7b8:3:2c::53)	2026092801
nsauth2.bit.nl (213.136.12.59)	2026092801
nsauth2.bit.nl (2001:7b8:3:2d::53)	2026092801
nsauth3.bitnl.eu (85.17.15.88)	2026092801
nsauth3.bitnl.eu (2001:1af8:4700:a119:16:0:8517:1588)	2026092801

Checks

✓ Serial 2026092801 everywhere #22

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

SOA refresh 8h, retry 2h, expire 7d, negative TTL 12h.
✓ Primary is a public nameserver #24

The primary nameserver nsauth1.bit.nl is one of the listed nameservers.
✓ Contact hostmaster@bit.nl #25

The SOA RNAME hostmaster.bit.nl means hostmaster@bit.nl.
✓ Date-based serial #26

The serial 2026092801 follows the YYYYMMDDnn convention (2026-09-28).

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
29244	ECDSAP256SHA256 (13)	SHA256 88AD494FBF6F5F58…	yes

DNSKEY in the zone

Key tag	Role	Algorithm
29244	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 29244 (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

23 records at the apex

Found

Read from: 213.136.12.51:53

Type	Value	TTL
SOA	nsauth1.bit.nl. hostmaster.bit.nl. 2026092801 28800 7200 604800 43200	43200
NS	nsauth2.bit.nl.	43200
NS	nsauth3.bitnl.eu.	43200
NS	nsauth1.bit.nl.	43200
A	162.159.140.9	300
A	172.66.0.9	300
AAAA	2a06:98c1:58::9	300
AAAA	2606:4700:7::9	300
MX	20 mailgateway2.triodos.com.	43200
MX	10 mailgateway1.triodos.com.	43200
TXT	"zC2z/ge4fGRBcp+Hfs5g1+XpdGlkShJqXzILsDwPDnc="	43200
TXT	"v=spf1 mx include:talentbox._spf.triodos.be include:invitedesk._spf.triodos.be include:spf.protection.outlook.com -all"	12200
TXT	"R3qqX/oJRb82yglqLi38PDJsXXkX58SOENF6PPul2vM="	43200
TXT	"MS=ms46661760"	43200
TXT	"Pm4zWJXl35+GuxyMGYT8DhCgH+Fh5pe1k1T3CTXv18U="	43200
TXT	"Y3ftsWWB2o6znYoHl34J+A/udu+wUWll6eZtFRQACrw="	43200
TXT	"1JWrrCJmIgd6WEopWzTFj/VP+eWzOpYfoa7QGRNXNsc="	43200
TXT	"google-site-verification=TKvC94_FHKwEE7nuhS2uu5zTRhTNvIJ4acKGRuTXoGA"	43200
TXT	"facebook-domain-verification=oiviqlmvlz1xqnbwu085iojtqecmoe"	43200
TXT	"_globalsign-domain-verification=Bon33t6rU2uJ98ZIXSE0FxKRDRTkZY8PA6vcmokzMM"	43200
TXT	"BRuCX7P5NllVCBPDFhDWJQTW4QE3JNgOJK0VwWNynjo="	43200
TXT	"8Co76SCXfMwmD8jPg7FQEb4VRGNHKnLmtOetp++fvwQ="	43200
TXT	"kQbflhEnX4xQRPgtgjke6Pql1Wcm03XClrTRbLP7/8DPb3u+8yQQg8QGEPsed+m6EyVrSRqhCJf9YtgQ/Nv7SA=="	43200

Checks

✓ TTLs within range #32

TTLs: A 5m, AAAA 5m, MX 12h, NS 12h. The NS TTL at the parent is 1d and in the zone 12h; resolvers may use either.
✓ No CNAME at the apex #33

The zone apex has no CNAME record.
✓ No wildcard #34

Names that don't exist return NXDOMAIN.
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No CAA records

Without CAA records any certificate authority may issue certificates for this domain. A CAA record limits issuance to the CAs you use.

#35