Domain report: vliruos.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

dns1.level27.eu, dns2.level27.eu, dns3.level27.net

Found

Parent zone: be
Delegation from: a.nsset.be (194.0.6.1)
NS at the parent: dns1.level27.eu, dns2.level27.eu, dns3.level27.net
NS in the zone: dns1.level27.eu, dns2.level27.eu, dns3.level27.net

Nameserver	Addresses	Network (AS)	Glue
dns1.level27.eu	185.3.216.13 2a02:5b40:4:224::c	AS59943 LEVEL27-AS - Level 27 BVBA, BE AS59943 LEVEL27-AS - Level 27 BVBA, BE	-
dns2.level27.eu	178.63.246.203 2a01:4f8:fff2:a::3	AS24940 HETZNER-AS - Hetzner Online GmbH, DE AS24940 HETZNER-AS - Hetzner Online GmbH, DE	-
dns3.level27.net	172.235.191.47 2600:3c0e::2000:8ff:fe37:9eed	AS63949 AKAMAI-LINODE-AP - Akamai Connected Cloud, SG AS63949 AKAMAI-LINODE-AP - Akamai Connected Cloud, SG	-

Checks

✓ 3 nameservers #6

Delegated to dns1.level27.eu, dns2.level27.eu, dns3.level27.net.
✓ 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 3 IPv4 /24s and 3 IPv6 /48s.
✓ 3 autonomous systems #11

The nameservers are spread over: AS24940 (HETZNER-AS - Hetzner Online GmbH, DE): 2 addresses; AS59943 (LEVEL27-AS - Level 27 BVBA, BE): 2 addresses; AS63949 (AKAMAI-LINODE-AP - Akamai Connected Cloud, SG): 2 addresses.
✓ Nameserver names under 2 TLDs #12

Nameserver names use the TLDs .eu, .net.
✓ 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
dns1.level27.eu 185.3.216.13	NOERROR, 18 ms, authoritative	no	yes / yes	refused	9.18.18-0ubuntu0.22.04.1-Ubuntu
dns1.level27.eu 2a02:5b40:4:224::c	NOERROR, 21 ms, authoritative	no	yes / yes	refused	9.18.18-0ubuntu0.22.04.1-Ubuntu
dns2.level27.eu 178.63.246.203	NOERROR, 2 ms, authoritative	no	yes / yes	refused	9.18.39-0ubuntu0.24.04.5-Ubuntu
dns2.level27.eu 2a01:4f8:fff2:a::3	NOERROR, 2 ms, authoritative	no	yes / yes	refused	9.18.39-0ubuntu0.24.04.5-Ubuntu
dns3.level27.net 172.235.191.47	NOERROR, 9 ms, authoritative	no	yes / yes	refused	9.18.39-0ubuntu0.24.04.3-Ubuntu
dns3.level27.net 2600:3c0e::2000:8ff:fe37:9eed	NOERROR, 9 ms, authoritative	no	yes / yes	refused	9.18.39-0ubuntu0.24.04.3-Ubuntu

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: dns1.level27.eu: "9.18.18-0ubuntu0.22.04.1-Ubuntu"; dns2.level27.eu: "9.18.39-0ubuntu0.24.04.5-Ubuntu"; dns3.level27.net: "9.18.39-0ubuntu0.24.04.3-Ubuntu". 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 2100000194 · primary dns1.level27.eu

Found

Primary (MNAME): dns1.level27.eu
Contact (RNAME): hostmaster.level27.be
Serial: 2100000194
Refresh / retry: 14400 s / 3600 s
Expire: 1209600 s
Negative TTL: 3600 s

Serial per nameserver

Nameserver	Serial
dns1.level27.eu (185.3.216.13)	2100000194
dns1.level27.eu (2a02:5b40:4:224::c)	2100000194
dns2.level27.eu (178.63.246.203)	2100000194
dns2.level27.eu (2a01:4f8:fff2:a::3)	2100000194
dns3.level27.net (172.235.191.47)	2100000194
dns3.level27.net (2600:3c0e::2000:8ff:fe37:9eed)	2100000194

Checks

✓ Serial 2100000194 everywhere #22

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

SOA refresh 4h, retry 1h, expire 14d, negative TTL 1h.
✓ Primary is a public nameserver #24

The primary nameserver dns1.level27.eu is one of the listed nameservers.
✓ Contact hostmaster@level27.be #25

The SOA RNAME hostmaster.level27.be means hostmaster@level27.be.
✓ Timestamp serial #26

The serial 2100000194 is a Unix timestamp (2036-07-18 13:23 UTC).

DNSSEC

warn

Signed, DS published at parent

Found

Validated by resolver: yes
Denial of existence: NSEC
Signatures valid until: 12 October 2031

DS at the parent

Key tag	Algorithm	Digest	Matches a key
54088	RSASHA1-NSEC3-SHA1 (7)	SHA256 28146208C918E265…	yes

DNSKEY in the zone

Key tag	Role	Algorithm
54088	KSK (257)	RSASHA1-NSEC3-SHA1 (7)
36509	ZSK (256)	RSASHA1-NSEC3-SHA1 (7)

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 54088 (SHA256).
!

Deprecated algorithm

SHA-1 based algorithms are deprecated and rejected by some validators: RSASHA1-NSEC3-SHA1 (7). Roll over to ECDSAP256SHA256 (13).

#29
✓ Signatures valid until 2031-10-12 #30

The earliest DNSKEY/SOA signature expires at 2031-10-12 08:58 UTC.
i

NSEC

The zone uses NSEC, so its full contents can be listed by walking the NSEC chain. That is fine unless the names are sensitive.

#31

Records

info

21 records at the apex

Found

Read from: 185.3.216.13:53

Type	Value	TTL
SOA	dns1.level27.eu. hostmaster.level27.be. 2100000194 14400 3600 1209600 3600	1200
NS	dns2.level27.eu.	1200
NS	dns3.level27.net.	1200
NS	dns1.level27.eu.	1200
A	194.32.155.8	1200
AAAA	2a02:5b41:4:440::5	1200
MX	0 vliruos-be.mail.protection.outlook.com.	1200
TXT	"_globalsign-domain-verification=MLnTl3SdkWnd6qAP0X62lhbe8khbPXVWAMLgD2gMnS"	1200
TXT	"sheegdh18boraem8ef2toc1t6c"	1200
TXT	"MS=ms54887706"	1200
TXT	"ibtb27uspv8t6ngvf9a9v5nv00"	1200
TXT	"ga2jdjq5a5p440ggq0nrvprmn1"	1200
TXT	"f1tmsKxrl9nE2p2NTmhWyWFpG932FuDb"	1200
TXT	"jdi3t8tnrm77n275bjj9156373"	1200
TXT	"oia9q6gi8pu3j2d4rshjgqkc4i"	1200
TXT	"p8s7u2klue76fo9p7aqqjkphm6"	1200
TXT	"7htdsq5g9u3mkqfshebfejtcuo"	1200
TXT	"n230o7sc5qfa7iim2in1fjtm2u"	1200
TXT	"docusign=df0937ba-80e3-4cc1-8b4c-162aa7cfb7ec"	1200
TXT	"google-site-verification=L5B-UaFGU0L_bK1lpo2QpoGtUDbVbNt0Od22N0HIl4c"	1200
TXT	"v=spf1 include:spf.protection.outlook.com include:spf.mandrillapp.com ip4:109.128.158.22 ip4:188.93.157.72 ip4:91.183.193.184 include:servers.mcsv.net include:_spf.qemailserver.com include:spf.afas.online -all"	1200

Checks

✓ TTLs within range #32

TTLs: A 20m, AAAA 20m, MX 20m, NS 20m. The NS TTL at the parent is 1d and in the zone 20m; 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.
i

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