t-mobile.nl

Checked 21 October 2026, 21:25 UTC · via 8.8.8.8
iAll checks passed
28 passed 0 warnings 0 failed 5 info

Registration

info

.nl country-code

Found

TLD
.nl (country-code)
ICANN policies apply
no
Lookup error: https://rdap.sidn.nl/domain/t-mobile.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/t-mobile.nl returned HTTP 429
    #3

Delegation

info

ns-1395.awsdns-46.org, ns-1880.awsdns-43.co.uk, ns-201.awsdns-25.com, ns-837.awsdns-40.net

Found

Parent zone
nl
Delegation from
ns1.dns.nl (194.0.28.53)
NS at the parent
ns-1395.awsdns-46.org, ns-1880.awsdns-43.co.uk, ns-201.awsdns-25.com, ns-837.awsdns-40.net
NS in the zone
ns-1395.awsdns-46.org, ns-1880.awsdns-43.co.uk, ns-201.awsdns-25.com, ns-837.awsdns-40.net
NameserverAddressesNetwork (AS)Glue
ns-1395.awsdns-46.org205.251.197.115 2600:9000:5305:7300::1AS16509 AMAZON-02 - Amazon.com, Inc., US AS16509 AMAZON-02 - Amazon.com, Inc., US-
ns-1880.awsdns-43.co.uk205.251.199.88 2600:9000:5307:5800::1AS16509 AMAZON-02 - Amazon.com, Inc., US AS16509 AMAZON-02 - Amazon.com, Inc., US-
ns-201.awsdns-25.com205.251.192.201 2600:9000:5300:c900::1AS16509 AMAZON-02 - Amazon.com, Inc., US AS16509 AMAZON-02 - Amazon.com, Inc., US-
ns-837.awsdns-40.net205.251.195.69 2600:9000:5303:4500::1AS16509 AMAZON-02 - Amazon.com, Inc., US AS16509 AMAZON-02 - Amazon.com, Inc., US-

Checks

  • ✓ 4 nameservers #6
    Delegated to ns-1395.awsdns-46.org, ns-1880.awsdns-43.co.uk, ns-201.awsdns-25.com, ns-837.awsdns-40.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 4 IPv4 /24s and 4 IPv6 /48s.
  • i
    All nameservers in one AS
    All nameserver addresses are announced by one network operator (AS16509 (AMAZON-02 - Amazon.com, Inc., US): 8 addresses). An outage or attack on that network affects all nameservers; large anycast providers mitigate this, but a secondary DNS provider adds independence.
    #11
  • ✓ Nameserver names under 4 TLDs #12
    Nameserver names use the TLDs .com, .net, .org, .uk.
  • ✓ All reachable over IPv6 #13
    Every nameserver has an IPv6 address.

Nameservers

pass

8 of 8 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
ns-1395.awsdns-46.org 205.251.197.115NOERROR, 3 ms, authoritativenoyes / yesrefused-
ns-1395.awsdns-46.org 2600:9000:5305:7300::1NOERROR, 4 ms, authoritativenoyes / yesrefused-
ns-1880.awsdns-43.co.uk 205.251.199.88NOERROR, 9 ms, authoritativenoyes / yesrefused-
ns-1880.awsdns-43.co.uk 2600:9000:5307:5800::1NOERROR, 9 ms, authoritativenoyes / yesrefused-
ns-201.awsdns-25.com 205.251.192.201NOERROR, 9 ms, authoritativenoyes / yesrefused-
ns-201.awsdns-25.com 2600:9000:5300:c900::1NOERROR, 9 ms, authoritativenoyes / yesrefused-
ns-837.awsdns-40.net 205.251.195.69NOERROR, 4 ms, authoritativenoyes / yesrefused-
ns-837.awsdns-40.net 2600:9000:5303:4500::1NOERROR, 4 ms, authoritativenoyes / yesrefused-

Checks

  • ✓ All respond #14
    All 8 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

pass

serial 1 · primary ns-201.awsdns-25.com

Found

Primary (MNAME)
ns-201.awsdns-25.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

NameserverSerial
ns-1395.awsdns-46.org (205.251.197.115)1
ns-1395.awsdns-46.org (2600:9000:5305:7300::1)1
ns-1880.awsdns-43.co.uk (205.251.199.88)1
ns-1880.awsdns-43.co.uk (2600:9000:5307:5800::1)1
ns-201.awsdns-25.com (205.251.192.201)1
ns-201.awsdns-25.com (2600:9000:5300:c900::1)1
ns-837.awsdns-40.net (205.251.195.69)1
ns-837.awsdns-40.net (2600:9000:5303:4500::1)1

Checks

  • ✓ Serial 1 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 2h, retry 15m, expire 14d, negative TTL 1d.
  • ✓ Primary is a public nameserver #24
    The primary nameserver ns-201.awsdns-25.com is one of the listed nameservers.
  • ✓ Contact awsdns-hostmaster@amazon.com #25
    The SOA RNAME awsdns-hostmaster.amazon.com means awsdns-hostmaster@amazon.com.
  • ✓ Counter serial #26
    The serial 1 is a plain counter.

DNSSEC

info

Signed, DS published at parent

Found

Validated by resolver
yes
Denial of existence
NSEC
Signatures valid until
21 October 2026

DS at the parent

Key tagAlgorithmDigestMatches a key
59300ECDSAP256SHA256 (13)SHA256 10724901F9B08F61…yes

DNSKEY in the zone

Key tagRoleAlgorithm
33464ZSK (256)ECDSAP256SHA256 (13)
11631ZSK (256)ECDSAP256SHA256 (13)
59300KSK (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 59300 (SHA256).
  • ✓ Modern algorithms #29
    Key algorithms: ECDSAP256SHA256 (13).
  • ✓ Short-lived signatures (online signing) #30
    Signatures are valid for 2h0m0s and created on demand; the current one was made at 2026-10-21 20:25 UTC and expires at 2026-10-21 22:40 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

29 records at the apex

Found

Read from
205.251.197.115:53
TypeValueTTL
SOAns-201.awsdns-25.com. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400900
NSns-1395.awsdns-46.org.86400
NSns-1880.awsdns-43.co.uk.86400
NSns-201.awsdns-25.com.86400
NSns-837.awsdns-40.net.86400
A20.50.2.4686400
MX0 tmobile-nl0c.mail.protection.outlook.com.86400
TXT"**T-Mobile"3600
TXT"58db6e03-1176-4bc8-9a43-daeeb6d36121-14082018"3600
TXT"5Muhxc+K1MYI40bBvd8ZgRrtjMD7BpJ8acoLK5HzfxMYRcTWgQDmtP2YD5dunWziOa/gAGuCgfpKRIktVgCujQ=="3600
TXT"MS=EADD3A083ACB1615841B0FC2BAE2D4A91D5A9FB8"3600
TXT"MS=ms28146696"3600
TXT"Mps9jPeYsw1CEybfW/vFIxLmZvOswtzl1KwiCAvY1fs="3600
TXT"QuoVadis=068a2ba8-fa76-4db4-9bde-f1c088378a97"3600
TXT"QuoVadis=7e0d9b68-ebd5-4154-8ca0-ede58d3fd7bf"3600
TXT"QuoVadis=8835df2a-643e-44b2-a4ff-30aeb3c3889d"3600
TXT"QuoVadis=c0313355-eb80-4748-bd7d-544be5f17b01"3600
TXT"_lq4ju78rgmoheyntc69fpivrlenqs1b"3600
TXT"amazonses:TUj5pF5dKPgsM5mW4orlH8ayFof8hMdjwzmg+aZv7l8="3600
TXT"atlassian-domain-verification=kLr1fZLN3DjAXKiMe3YJ59Kj5KJ8wow/MWG8tWjk6mtQfJ1MmvLahb8nznGqk/P7"3600
TXT"brevo-code:58d254059ac06520d90a254ee3a46af2"3600
TXT"cisco-ci-domain-verification=1292eb251634631e05793395fbde4046cb7bc8690ecf07da42c13274c255dcb0"3600
TXT"globalsign-domain-verification=UzvaAphO-9sa8EfJia7e5QC9Hli8MoLVlu2ZJ7aXNF"3600
TXT"google-site-verification=RiRptj3fr-hzoqqXNv2fqRHLUMsCiNPwz-v2h5BVBr4"3600
TXT"google-site-verification=jlVgQwzN-9HTIZNYBKYi7BWvKeFSbyAQXIdmwv0T6kM"3600
TXT"miro-verification=0ede4a83c484c7a955fa36d48ef48a5de4fc6df3"3600
TXT"p3nk40lqvkyz593dqlwrjcbjl2gr0qdb"3600
TXT"rn6ln0zl10h8t33hbm1lc59wl1nk4b2l"3600
TXT"v=spf1 include:spf.protection.outlook.com -all"3600

Checks

  • ✓ TTLs within range #32
    TTLs: A 1d, MX 1d, NS 1d. The NS TTL at the parent is 1h and in the zone 1d; 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