rtr-gruppen.dk

📜 Historical scan 2026-08-27 21:51:16  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rtr-gruppen.dk is a .dk domain served by 2 nameservers (ns.scannet2.dk, ns2.scannet2.dk). It was registered on 8 January 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.40.214 is hosted by team.blue Denmark A/S (AS48854) in Denmark. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   60ms
NameserverIP addressesPTRASN / ISP
ns.scannet2.dk 185.25.141.9
2a02:2339:4006:10d::4171:4171		 ns1.scannet.dk
ns1.scannet.dk		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.scannet2.dk 2a02:2339:1:112:0:5:1:b11
91.197.248.72		 ns2.scannet.dk
ns2.scannet.dk		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S

🌍 A Records#

1 records   60ms
IPTTLPTRASNISP / OrgCIDRCountryCity
185.21.40.214 3600s splash.zitcom.dk AS48854 team.blue Denmark A/S 185.21.40.0/22 🇩🇰 Denmark —

📧 MX Records#

📧
No MX records found

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝
No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-25 22:09:03
www185.21.40.214 (AS48854) (address records, no CNAME)
www vs bare domainSame network
rtr-gruppen.dk: 185.21.40.214 (AS48854)
www.rtr-gruppen.dk: 185.21.40.214 (AS48854)
WildcardNo
Denial of existenceNSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

141ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2020051201
Primary NS (MNAME)ns.scannet2.dk
Responsible (RNAME)hostmaster@scannet.dk
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)300s

📋 Registration#

WHOIS fetched 2026-10-25 19:11:04
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2013-01-08
Expires2028-01-31 (462d)

🔗 Same registrant#

59 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

DomainRegistrar
affaldspiktogram.dkDANDOMAIN A/S
asserbokloakservice.dkPunktum dk A/S (direct)
bendthansen.dkDANDOMAIN A/S
boksviborg.dkDANDOMAIN A/S
box-viborg.dkDANDOMAIN A/S
boxviborg.dkDANDOMAIN A/S
broendrenovering.dkPunktum dk A/S (direct)
cphwaste.dkDANDOMAIN A/S
dbe-kloak.dkDANDOMAIN A/S
dbe-kloakservice.dkDANDOMAIN A/S
divello.dkDANDOMAIN A/S
dk-miljoe.dkDANDOMAIN A/S
dk-miljø.dkDANDOMAIN A/S
dk-spaan.dkDANDOMAIN A/S
dkspaan.dkDANDOMAIN A/S
ehj-energi.dkPunktum dk A/S (direct)
ehj-miljoe.dkPunktum dk A/S (direct)
ehj-miljø.dkPunktum dk A/S (direct)
empf.dkDANDOMAIN A/S
farumkloakservice.dkDANDOMAIN A/S
fksslamson.dkPunktum dk A/S (direct)
halsnaeskloakservice.dkPunktum dk A/S (direct)
hornsherredkloakservice.dkDANDOMAIN A/S
itmp.dkDANDOMAIN A/S
jammerbugt-kloakservice.dkDANDOMAIN A/S
kloakrensning.dkPunktum dk A/S (direct)
kloakservicefarum.dkDANDOMAIN A/S
makulering.dkDANDOMAIN A/S
marielystvognmand.dkDANDOMAIN A/S
marius-p.dkDANDOMAIN A/S
marius-pedersen.dkPunktum dk A/S (direct)
mariuspedersen-genbrug.dkDANDOMAIN A/S
mariuspedersen-renovation.dkDANDOMAIN A/S
mariuspedersen.dkDANDOMAIN A/S
mariuspedersenaffald.dkDANDOMAIN A/S
mariuspedersengenbrug.dkDANDOMAIN A/S
mariuspedersenmiljø.dkDANDOMAIN A/S
mariuspedersenrenovation.dkDANDOMAIN A/S
mariusrens.dkDANDOMAIN A/S
mobilsikkerhedsmakulering.dkPunktum dk A/S (direct)
mpapp.dkDANDOMAIN A/S
ole-larsen.dkDANDOMAIN A/S
prebenandersen.dkDANDOMAIN A/S
rencon.dkPunktum dk A/S (direct)
renoflex-gruppen.dkDANDOMAIN A/S
rottefri.dkPunktum dk A/S (direct)
sejersten-kloak.dkDANDOMAIN A/S
sikkerhedsmakulering.dkPunktum dk A/S (direct)
simonmoosentreprise.dkDANDOMAIN A/S
simonmoosentrepriser.dkDANDOMAIN A/S
skaelskoerkloakservice.dkPunktum dk A/S (direct)
skibbykloakservice.dkDANDOMAIN A/S
slamsugning.dkPunktum dk A/S (direct)
tankrensning.dkPunktum dk A/S (direct)
vaskebilen.dkDANDOMAIN A/S
vesthimmerlands-kloakservice.dkDANDOMAIN A/S
vestlollands-kloakservice.dkDANDOMAIN A/S
viborgrenovation.dkDANDOMAIN A/S
vjhc.dkDANDOMAIN A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
60ms
A
60ms
MX
69ms
AAAA
71ms
TXT
164ms
CAA
73ms
HTTPS
106ms
TLSA
36ms
SOA
0ms
MTA-STS
76ms
DNSSEC
141ms
SRV
94ms
Total
502ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-25 22:09:03 359ms 2 NS 1 A 0 MX 🔒 Secure
2026-10-08 06:58:57 305ms 2 NS 1 A 0 MX 🔒 Secure
2026-09-29 15:50:44 360ms 2 NS 1 A 0 MX 🔒 Secure
2026-09-11 02:23:14 499ms 2 NS 1 A 0 MX 🔒 Secure
2026-08-27 21:51:16 shown 502ms 2 NS 1 A 0 MX 🔒 Secure
2026-07-02 13:43:47 563ms 2 NS 1 A 0 MX 🔒 Secure
2026-06-17 14:46:37 834ms 2 NS 1 A 0 MX 🔒 Secure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone