rohde-schwarz.com

Checked 22 October 2026, 10:32 UTC · via 8.8.8.8
✗Problems found
25 passed 2 warnings 1 failed 3 info

Registration

info

.com generic · COREhub, S.R.L. · expires 2027-03-09

Found

TLD
.com (generic)
ICANN policies apply
yes
Registrar
COREhub, S.R.L.
Registered
9 March 1999
Last changed
10 March 2026
Expires
9 March 2027
Status
client delete prohibited, client transfer prohibited
Registry nameservers
ns1.lemarit.de, ns1.lemarit.net, ns2.lemarit.de, ns2.lemarit.net, ns3.lemarit.de
RDAP server
https://rdap.verisign.com/com/v1/

Checks

  • i
    .com is a generic TLD (gTLD)
    Generic TLD under an ICANN registry agreement: ICANN-accredited registrars, UDRP and RDAP apply.
    #1
  • ✓ TLD delegated and signed #2
    .com is delegated in the root zone and DNSSEC-signed.
  • ✓ Expires on 2027-03-09 #3
    The registration is valid until 2027-03-09 (137 days).
  • ✓ Transfer locked #4
    Registry status: client delete prohibited, client transfer prohibited.
  • ✓ Registry and delegation match #5
    The nameservers registered at the registry are the ones published in DNS.

Delegation

info

ns1.lemarit.de, ns1.lemarit.net, ns2.lemarit.de, ns2.lemarit.net, ns3.lemarit.de

Found

Parent zone
com
Delegation from
a.gtld-servers.net (192.5.6.30)
NS at the parent
ns1.lemarit.de, ns1.lemarit.net, ns2.lemarit.de, ns2.lemarit.net, ns3.lemarit.de
NS in the zone
ns1.lemarit.de, ns1.lemarit.net, ns2.lemarit.de, ns2.lemarit.net, ns3.lemarit.de
NameserverAddressesNetwork (AS)Glue
ns1.lemarit.de81.209.198.1AS24640 BSWS-AS - BS Web Services GmbH, DE-
ns1.lemarit.net207.158.52.87AS11320 LIGHTEDGE-AS-02 - LightEdge Solutions, US-
ns2.lemarit.de192.174.68.101 2001:67c:1bc::101AS1921 RCODEZERO-ANYCAST-SEC1-TLD - ipcom GmbH, AT AS1921 RCODEZERO-ANYCAST-SEC1-TLD - ipcom GmbH, AT-
ns2.lemarit.net176.97.158.101 2001:67c:10b8::101AS1921 RCODEZERO-ANYCAST-SEC1-TLD - ipcom GmbH, AT AS1921 RCODEZERO-ANYCAST-SEC1-TLD - ipcom GmbH, AT-
ns3.lemarit.de178.248.243.66AS196922 HOFMEIR-AS - Hofmeir Media GmbH, DE-

Checks

  • ✓ 5 nameservers #6
    Delegated to ns1.lemarit.de, ns1.lemarit.net, ns2.lemarit.de, ns2.lemarit.net, ns3.lemarit.de.
  • ✓ 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 5 IPv4 /24s and 2 IPv6 /48s.
  • ✓ 4 autonomous systems #11
    The nameservers are spread over: AS11320 (LIGHTEDGE-AS-02 - LightEdge Solutions, US): 1 address; AS1921 (RCODEZERO-ANYCAST-SEC1-TLD - ipcom GmbH, AT): 4 addresses; AS196922 (HOFMEIR-AS - Hofmeir Media GmbH, DE): 1 address; AS24640 (BSWS-AS - BS Web Services GmbH, DE): 1 address.
  • ✓ Nameserver names under 2 TLDs #12
    Nameserver names use the TLDs .de, .net.
  • i
    Partly IPv6
    These nameservers have no IPv6 address: ns1.lemarit.de, ns1.lemarit.net, ns3.lemarit.de.
    #13

Nameservers

fail

6 of 7 addresses answer authoritatively

Found

NameserverAnswerRecursionTCP / EDNSAXFRVersion
ns1.lemarit.de 81.209.198.1no responsenono / no--
ns1.lemarit.net 207.158.52.87NOERROR, 153 ms, authoritativenoyes / yesrefusedNSD 4.15.2
ns2.lemarit.de 192.174.68.101NOERROR, 3 ms, authoritativenoyes / yesrefusedRcodeZero DNS
ns2.lemarit.de 2001:67c:1bc::101NOERROR, 4 ms, authoritativenoyes / yesrefusedRcodeZero DNS
ns2.lemarit.net 176.97.158.101NOERROR, 11 ms, authoritativenoyes / yesrefusedreg-wie1
ns2.lemarit.net 2001:67c:10b8::101NOERROR, 11 ms, authoritativenoyes / yesrefusedreg-wie1
ns3.lemarit.de 178.248.243.66NOERROR, 9 ms, authoritativenoyes / yesrefusedNSD 4.15.2

Checks

  • ✗
    Nameservers not responding
    These addresses did not answer, so resolvers waste time on timeouts: ns1.lemarit.de (81.209.198.1): read udp 46.225.38.91:44822->81.209.198.1:53: i/o timeout.
    #14
  • ✓ 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: ns1.lemarit.net: "NSD 4.15.2"; ns3.lemarit.de: "NSD 4.15.2". 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 1792497338 · primary ns1.lemarit.de

Found

Primary (MNAME)
ns1.lemarit.de
Contact (RNAME)
hostmaster.lemarit.com
Serial
1792497338
Refresh / retry
43200 s / 10800 s
Expire
2419200 s
Negative TTL
3600 s

Serial per nameserver

NameserverSerial
ns1.lemarit.net (207.158.52.87)1792497338
ns2.lemarit.de (192.174.68.101)1792497338
ns2.lemarit.de (2001:67c:1bc::101)1792497338
ns2.lemarit.net (176.97.158.101)1792497338
ns2.lemarit.net (2001:67c:10b8::101)1792497338
ns3.lemarit.de (178.248.243.66)1792497338

Checks

  • ✓ Serial 1792497338 everywhere #22
    All nameservers serve the same version of the zone.
  • ✓ Timers within recommendations #23
    SOA refresh 12h, retry 3h, expire 28d, negative TTL 1h.
  • ✓ Primary is a public nameserver #24
    The primary nameserver ns1.lemarit.de is one of the listed nameservers.
  • ✓ Contact hostmaster@lemarit.com #25
    The SOA RNAME hostmaster.lemarit.com means hostmaster@lemarit.com.
  • ✓ Timestamp serial #26
    The serial 1792497338 is a Unix timestamp (2026-10-20 11:55 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

info

26 records at the apex

Found

Read from
207.158.52.87:53
TypeValueTTL
SOAns1.lemarit.de. hostmaster.lemarit.com. 1792497338 43200 10800 2419200 360086400
NSns1.lemarit.de.86400
NSns1.lemarit.net.86400
NSns2.lemarit.de.86400
NSns2.lemarit.net.86400
NSns3.lemarit.de.86400
A80.246.41.1023600
A168.215.239.1013600
A203.127.113.393600
MX10 mx-in01.eu.retarus.com.3600
MX10 mx-in02.eu.retarus.com.3600
TXT"MS=ms33047354r"3600
TXT"_du90g1sjjqbhk34nlv169kfad277x1y"3600
TXT"_hzcdc8yp7p94s97z0pueqvexhdm6mn4"3600
TXT"_id9fd43pswhi04rumu9ayrq708h28gi"3600
TXT"lmc=612f498e-1c8a-419e-84ef-4f8661249720"3600
TXT"apple-domain-verification=9TDisxWq44ByZWmQ"3600
TXT"lmc-oidc=57981ced-2a55-44f9-8e0c-c56bfe9beec2"3600
TXT"lmc-oidc=ec213857-78e0-438c-b24d-99f2cd571eba"3600
TXT"cloudflare_dashboard_sso=fc1b9ae688b9fa893450de72d73ecd44"3600
TXT"miro-verification=6c888fd4afa93c233294eaa7b36ee2c05e438ca7"3600
TXT"cursor-domain-verification-8wb3kt=fjIswLGVuBH5okEzwou14hMXN"3600
TXT"linkedin-site-verification=6e5e01f3-4a79-45e9-813b-713a9dc741af"3600
TXT"qiXSl1L3GTktkEUZ4u1KgXm8lPuqMKuYjB8QmUxcE1xx71aArhSqUBBYP/RFsHf7DTyFkOLB3VhkUqIFsjh5KQ=="3600
TXT"atlassian-domain-verification=1oxiy0aRPizgOo5A2NEMXVvOv/LxDICJHmLxLwlgmbGXXjmqOjO1rcCCzkzciXga"3600
TXT"v=spf1 ip4:80.246.32.96/30 ip4:80.246.41.42/32 ip4:203.125.172.0/27 ip4:66.192.42.0/27 ip4:4.15.131.0/28 include:spf2.rohde-schwarz.com include:spf3.rohde-schwarz.com ip4:162.247.216.0/22 -all"3600

Checks

  • ✓ TTLs within range #32
    TTLs: A 1h, MX 1h, NS 1d. The NS TTL at the parent is 2d 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