Domain report: tln.nl

Registration

info

.nl country-code

Found

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

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

#3

Delegation

pass

ns03.2is.nl, ns04.2is.be, ns05.2is.nl

Found

Parent zone: nl
Delegation from: ns1.dns.nl (194.0.28.53)
NS at the parent: ns03.2is.nl, ns04.2is.be, ns05.2is.nl
NS in the zone: ns03.2is.nl, ns04.2is.be, ns05.2is.nl

Nameserver	Addresses	Network (AS)	Glue
ns03.2is.nl	62.221.202.199 2001:1460:3:4:1c00:b4ff:fe00:270a	AS48635 CLDIN-NL - Your Hosting B.V., NL AS48635 CLDIN-NL - Your Hosting B.V., NL	-
ns04.2is.be	62.221.197.54 2001:1460:2:2:1c00:4eff:fe00:2bf6	AS48635 CLDIN-NL - Your Hosting B.V., NL AS48635 CLDIN-NL - Your Hosting B.V., NL	-
ns05.2is.nl	194.107.180.31 2a0d:7980:2:100:881:27ff:fe7a:1de9	AS202053 UPCLOUD - UpCloud Ltd, FI AS202053 UPCLOUD - UpCloud Ltd, FI	-

Checks

✓ 3 nameservers #6

Delegated to ns03.2is.nl, ns04.2is.be, ns05.2is.nl.
✓ 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.
✓ 2 autonomous systems #11

The nameservers are spread over: AS202053 (UPCLOUD - UpCloud Ltd, FI): 2 addresses; AS48635 (CLDIN-NL - Your Hosting B.V., NL): 4 addresses.
✓ Nameserver names under 2 TLDs #12

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

Every nameserver has an IPv6 address.

Nameservers

pass

6 of 6 addresses answer authoritatively

Found

Nameserver	Answer	Recursion	TCP / EDNS	AXFR	Version
ns03.2is.nl 62.221.202.199	NOERROR, 10 ms, authoritative	no	yes / yes	refused	-
ns03.2is.nl 2001:1460:3:4:1c00:b4ff:fe00:270a	NOERROR, 12 ms, authoritative	no	yes / yes	refused	-
ns04.2is.be 62.221.197.54	NOERROR, 11 ms, authoritative	no	yes / yes	refused	-
ns04.2is.be 2001:1460:2:2:1c00:4eff:fe00:2bf6	NOERROR, 12 ms, authoritative	no	yes / yes	refused	-
ns05.2is.nl 194.107.180.31	NOERROR, 9 ms, authoritative	no	yes / yes	refused	-
ns05.2is.nl 2a0d:7980:2:100:881:27ff:fe7a:1de9	NOERROR, 9 ms, authoritative	no	yes / yes	refused	-

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.
✓ No version disclosed #17

The nameservers don't reveal their software version.
✓ 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

warn

serial 2026102201 · primary ns03.2is.nl

Found

Primary (MNAME): ns03.2is.nl
Contact (RNAME): domain-admin.2is.nl
Serial: 2026102201
Refresh / retry: 3600 s / 600 s
Expire: 86400 s
Negative TTL: 3600 s

Serial per nameserver

Nameserver	Serial
ns03.2is.nl (62.221.202.199)	2026102201
ns03.2is.nl (2001:1460:3:4:1c00:b4ff:fe00:270a)	2026102201
ns04.2is.be (62.221.197.54)	2026102201
ns04.2is.be (2001:1460:2:2:1c00:4eff:fe00:2bf6)	2026102201
ns05.2is.nl (194.107.180.31)	2026102201
ns05.2is.nl (2a0d:7980:2:100:881:27ff:fe7a:1de9)	2026102201

Checks

✓ Serial 2026102201 everywhere #22

All nameservers serve the same version of the zone.
!

Unusual SOA timers

expire 1d is shorter than 7d; secondaries stop answering too soon when the primary is down. Current values: refresh 1h, retry 10m, expire 1d, negative TTL 1h.

#23
✓ Primary is a public nameserver #24

The primary nameserver ns03.2is.nl is one of the listed nameservers.
✓ Contact domain-admin@2is.nl #25

The SOA RNAME domain-admin.2is.nl means domain-admin@2is.nl.
✓ Date-based serial #26

The serial 2026102201 follows the YYYYMMDDnn convention (2026-10-22).

DNSSEC

info

Signed, DS published at parent

Found

Validated by resolver: yes
Denial of existence: NSEC
Signatures valid until: 5 November 2026

DS at the parent

Key tag	Algorithm	Digest	Matches a key
54730	RSASHA256 (8)	SHA256 E0A6A08E2FDC1D28…	yes

DNSKEY in the zone

Key tag	Role	Algorithm
45279	ZSK (256)	RSASHA256 (8)
54730	KSK (257)	RSASHA256 (8)
20889	ZSK (256)	RSASHA256 (8)

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 54730 (SHA256).
✓ Modern algorithms #29

Key algorithms: RSASHA256 (8).
✓ Signatures valid until 2026-11-05 #30

The earliest DNSKEY/SOA signature expires at 2026-11-05 00:00 UTC.
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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

17 records at the apex

Found

Read from: 62.221.202.199:53

Type	Value	TTL
SOA	ns03.2is.nl. domain-admin.2is.nl. 2026102201 3600 600 86400 3600	3600
NS	ns03.2is.nl.	3600
NS	ns04.2is.be.	3600
NS	ns05.2is.nl.	3600
A	185.173.21.224	600
MX	0 TLN-nl.mail.protection.outlook.com.	3600
TXT	"MS=ms43938222"	600
TXT	"Q10VXnf4na3XYKujABTVy2L3CqLYnc7jQE8IDMudl7w="	600
TXT	"_ge0x8ywle640aimwmsod4r4oydfoaby"	600
TXT	"v=spf1 mx a ip4:213.206.94.130/28 ip4:4.180.148.125/32 ip4:87.215.45.129/32 ip4:46.31.48.0/21 ip4:46.31.50.211/29 ip4:217.21.190.139/29 ip4:195.121.65.158 include:spf.afas.online include:spf.anachron.com include:spf.protection.outlook.com include:spf.ico" "ntroller.eu include:spf.flowmailer.net include:sendgrid.net include:survey.businessmonitor.nl include:_spf.2bmta.com -all"	600
TXT	"MS=5AA9EE1CF54B46A16B8463FA7B1D3BB105FF0F9E"	600
TXT	"yN951BguclFvaskb6zYYSrWPVNgEF7/REZ8Ky4an0O+oY1BpOsHgVcvgSO1akP+ec9OXHWfx7UcrD8uCvpImOA=="	600
TXT	"5QffUtf3fvHwYIsAotgszhyILnVcDIptrfTi9nixe+hH5Yi55upqRHhsIuXFcfDm9poLkQl6H5sZkMDx7+b+sQ=="	600
TXT	"google-site-verification=DCt_g0MfzNi4hvkgZdpivuv4N01X5JBWAJ6TVOHKyZk"	600
TXT	"9xq16lx87zzs1kp1w30367wg1nyyj61w"	600
TXT	"862mtw1bxl03041cp0jq1f83m189fbr7"	600
TXT	"imedWnuKpaSWELpUzbQY0HqN3+FhSE6FHfbMKutC9Jc="	600

Checks

✓ TTLs within range #32

TTLs: A 10m, MX 1h, NS 1h.
✓ 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
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