mrgreen.de

Checked 21 October 2026, 23:30 UTC · via 8.8.8.8
!Passed with warnings
20 passed 3 warnings 0 failed 6 info

Registration

info

.de country-code

Found

TLD
.de (country-code)
ICANN policies apply
no

Checks

  • i
    .de 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
    .de is delegated in the root zone and DNSSEC-signed.
  • i
    Registration data not available
    No registration data via RDAP: the registry of .de offers no RDAP service. Many ccTLD registries don't offer RDAP; check the registry's WHOIS instead.
    #3

Delegation

info

ashley.ns.cloudflare.com, coby.ns.cloudflare.com

Found

Parent zone
de
Delegation from
a.nic.de (194.0.0.53)
NS at the parent
ashley.ns.cloudflare.com, coby.ns.cloudflare.com
NS in the zone
ashley.ns.cloudflare.com, coby.ns.cloudflare.com
NameserverAddressesNetwork (AS)Glue
ashley.ns.cloudflare.com172.64.32.71 173.245.58.71 108.162.192.71 2803:f800:50::6ca2:c047 2a06:98c1:50::ac40:2047 2606:4700:50::adf5:3a47AS13335 CLOUDFLARENET - Cloudflare, Inc., US AS13335 CLOUDFLARENET - Cloudflare, Inc., US AS13335 CLOUDFLARENET - Cloudflare, Inc., US AS13335 CLOUDFLARENET - Cloudflare, Inc., US AS13335 CLOUDFLARENET - Cloudflare, Inc., US AS13335 CLOUDFLARENET - Cloudflare, Inc., US-
coby.ns.cloudflare.com172.64.33.92 173.245.59.92 108.162.193.92 2606:4700:58::adf5:3b5c 2803:f800:50::6ca2:c15c 2a06:98c1:50::ac40:215cAS13335 CLOUDFLARENET - Cloudflare, Inc., US AS13335 CLOUDFLARENET - Cloudflare, Inc., US AS13335 CLOUDFLARENET - Cloudflare, Inc., US AS13335 CLOUDFLARENET - Cloudflare, Inc., US AS13335 CLOUDFLARENET - Cloudflare, Inc., US AS13335 CLOUDFLARENET - Cloudflare, Inc., US-

Checks

  • i
    2 nameservers
    Two nameservers meet the minimum; RFC 2182 recommends three or more for important zones: ashley.ns.cloudflare.com, coby.ns.cloudflare.com.
    #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 different networks #10
    The nameservers are spread over 6 IPv4 /24s and 4 IPv6 /48s.
  • i
    All nameservers in one AS
    All nameserver addresses are announced by one network operator (AS13335 (CLOUDFLARENET - Cloudflare, Inc., US): 12 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 .com
    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

12 of 12 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
ashley.ns.cloudflare.com 172.64.32.71NOERROR, 15 ms, authoritativenoyes / yesrefused2026.10.2
ashley.ns.cloudflare.com 173.245.58.71NOERROR, 14 ms, authoritativenoyes / yesrefused2026.10.2
ashley.ns.cloudflare.com 108.162.192.71NOERROR, 15 ms, authoritativenoyes / yesrefused2026.10.2
ashley.ns.cloudflare.com 2803:f800:50::6ca2:c047NOERROR, 15 ms, authoritativenoyes / yesrefused2026.10.2
ashley.ns.cloudflare.com 2a06:98c1:50::ac40:2047NOERROR, 17 ms, authoritativenoyes / yesrefused2026.10.2
ashley.ns.cloudflare.com 2606:4700:50::adf5:3a47NOERROR, 16 ms, authoritativenoyes / yesrefused2026.10.2
coby.ns.cloudflare.com 172.64.33.92NOERROR, 16 ms, authoritativenoyes / yesrefused2026.10.2
coby.ns.cloudflare.com 173.245.59.92NOERROR, 15 ms, authoritativenoyes / yesrefused2026.10.2
coby.ns.cloudflare.com 108.162.193.92NOERROR, 16 ms, authoritativenoyes / yesrefused2026.10.2
coby.ns.cloudflare.com 2606:4700:58::adf5:3b5cNOERROR, 16 ms, authoritativenoyes / yesrefused2026.10.2
coby.ns.cloudflare.com 2803:f800:50::6ca2:c15cNOERROR, 16 ms, authoritativenoyes / yesrefused2026.10.2
coby.ns.cloudflare.com 2a06:98c1:50::ac40:215cNOERROR, 15 ms, authoritativenoyes / yesrefused2026.10.2

Checks

  • ✓ All respond #14
    All 12 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: ashley.ns.cloudflare.com: "2026.10.2"; coby.ns.cloudflare.com: "2026.10.2". 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 2417366330 · primary ashley.ns.cloudflare.com

Found

Primary (MNAME)
ashley.ns.cloudflare.com
Contact (RNAME)
dns.cloudflare.com
Serial
2417366330
Refresh / retry
10000 s / 2400 s
Expire
604800 s
Negative TTL
1800 s

Serial per nameserver

NameserverSerial
ashley.ns.cloudflare.com (172.64.32.71)2417366330
ashley.ns.cloudflare.com (173.245.58.71)2417366330
ashley.ns.cloudflare.com (108.162.192.71)2417366330
ashley.ns.cloudflare.com (2803:f800:50::6ca2:c047)2417366330
ashley.ns.cloudflare.com (2a06:98c1:50::ac40:2047)2417366330
ashley.ns.cloudflare.com (2606:4700:50::adf5:3a47)2417366330
coby.ns.cloudflare.com (172.64.33.92)2417366330
coby.ns.cloudflare.com (173.245.59.92)2417366330
coby.ns.cloudflare.com (108.162.193.92)2417366330
coby.ns.cloudflare.com (2606:4700:58::adf5:3b5c)2417366330
coby.ns.cloudflare.com (2803:f800:50::6ca2:c15c)2417366330
coby.ns.cloudflare.com (2a06:98c1:50::ac40:215c)2417366330

Checks

  • ✓ Serial 2417366330 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 2h46m40s, retry 40m, expire 7d, negative TTL 30m.
  • ✓ Primary is a public nameserver #24
    The primary nameserver ashley.ns.cloudflare.com is one of the listed nameservers.
  • ✓ Contact dns@cloudflare.com #25
    The SOA RNAME dns.cloudflare.com means dns@cloudflare.com.
  • ✓ Timestamp serial #26
    The serial 2417366330 is a Unix timestamp (2046-08-08 18:38 UTC).

DNSSEC

warn

Not signed

Found

Validated by resolver
no

Checks

  • !
    Not signed
    The zone is not signed with DNSSEC, so answers can be spoofed. Enable DNSSEC at your DNS provider and publish the DS record at your registrar.
    #27

Records

warn

25 records at the apex

Found

Read from
172.64.32.71:53
TypeValueTTL
SOAashley.ns.cloudflare.com. dns.cloudflare.com. 2417366330 10000 2400 604800 18001800
NSashley.ns.cloudflare.com.86400
NScoby.ns.cloudflare.com.86400
A13.227.173.10660
A13.227.173.9160
A13.227.173.6560
A13.227.173.10060
MX10 mx1.hc1715-26.c3s2.iphmx.com.300
MX10 mx2.hc1715-26.c3s2.iphmx.com.300
TXT"MS=ms18897174"300
TXT"MS=ms62149143"300
TXT"QuoVadis=2da37e34-b650-480d-abf9-513b8737854f"300
TXT"_e239989w6q5yofwvdygt2ppqamtffja"300
TXT"_hi236ot6pw4w5mdri5qe9c2vi6zj5kl"300
TXT"_m9wtgb8ju6xpgisr7h41z7o3b5vt5zl"300
TXT"google-site-verification=9pRZ5fKs1y9-dKfRbhyGqgUCiWPuewJF6QRHIl6gPIY"300
TXT"google-site-verification=P5PppETAPvVyBHIDXbhfKpYoxqwjvKHfkaN-yFhjJdQ"300
TXT"google-site-verification=PxPwCE0q7g5rz0utC0UKUDp5sDWkAPeyUslyitvFPdw"300
TXT"identrust_validate=LLjncB+lZ98id/4HUY1LMosfr+sFWrN1bv35Mr+P2r6j"300
TXT"identrust_validate=XPNtN4UMdNLTR7/Uv5Z/VsPlPoYPbOCLj93DI1X7Kj78"300
TXT"identrust_validate=YM7WJNmw1AVVuxmb6ZcOloKHRiQsGY5iX881BtmCI9Ka"300
TXT"n66lg2k9p4ng0j5xzzqbpbc7y3c76v85"300
TXT"nf2tz0hmt0fzbnqy6j62n65txst5602v"300
TXT"slack-domain-verification=gPzKzXeq8uSWkbJWfFOIxQLlzp0kkzgWlKoO8pUt"300
TXT"v=spf1 mx ip4:91.109.248.0/21 ip4:66.231.82.234 ip4:193.130.144.38 ip4:217.147.118.0/24 ip4:208.85.53.123 ip4:74.112.66.8 ip4:74.112.67.0/24 ip4:198.37.57.129 ip4:217.147.112.102 include:custhelp.com include:amazonses.com include:carmamail.com include:spf" ".mandrillapp.com include:mail.zendesk.com ~all"300

Checks

  • !
    Very low TTLs
    These records have a TTL below 5m, causing extra queries and slower lookups: A (1m). Low TTLs are useful just before a planned change.
    #32
  • ✓ 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