grebom.dk

📜 Historical scan 2026-08-19 17:54:08  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

grebom.dk is a .dk domain served by 2 nameservers (cortney.ns.cloudflare.com, eric.ns.cloudflare.com). It was registered on 3 April 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.14.22 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx01.dandomain.dk. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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   107ms
NameserverIP addressesPTRASN / ISP
cortney.ns.cloudflare.com 108.162.192.87
172.64.32.87
173.245.58.87
2606:4700:50::adf5:3a57
2803:f800:50::6ca2:c057
2a06:98c1:50::ac40:2057		 cortney.ns.cloudflare.com
cortney.ns.cloudflare.com
cortney.ns.cloudflare.com
cortney.ns.cloudflare.com
cortney.ns.cloudflare.com
cortney.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
eric.ns.cloudflare.com 108.162.193.112
172.64.33.112
173.245.59.112
2606:4700:58::adf5:3b70
2803:f800:50::6ca2:c170
2a06:98c1:50::ac40:2170		 eric.ns.cloudflare.com
eric.ns.cloudflare.com
eric.ns.cloudflare.com
eric.ns.cloudflare.com
eric.ns.cloudflare.com
eric.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.

🌍 A Records#

2 records   93ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.14.22 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.202.54 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   106ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mx01.dandomain.dk 212.237.249.50 mx1.dandomain.dk AS48854 team.blue Denmark A/S

🔷 AAAA Records (IPv6)#

2 records   86ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3031::ac43:ca36 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3037::6815:e16 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   89ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.14.22,172.67.202.54 ech=AEX+DQBBhQAgACCYA/2cjIwgJdM/mH567Nqvzikeg/JqAvWGA+IfWwpQKQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:ca36,2606:4700:3037::6815:e16

📝 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 2026-10-21 11:00:10
www104.21.14.22 172.67.202.54 2606:4700:3031::ac43:ca36 2606:4700:3037::6815:e16 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo

🔗 TLSA / DANE#

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

🔐 DNSSEC#

243ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2412622142
Primary NS (MNAME)cortney.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-21 11:32:32
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2013-04-03
Expires2027-04-30 (190d)

🔗 Same registrant#

215 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
0klasse.dkEurodns S.A
0klassefaget.dkEurodns S.A
1094.dkPunktum dk A/S (direct)
5emner.dkPunktum dk A/S (direct)
5nyeemner.dkPunktum dk A/S (direct)
ad-dev.dkPunktum dk A/S (direct)
ad-prod.dkPunktum dk A/S (direct)
ad-staging.dkPunktum dk A/S (direct)
ad-test.dkPunktum dk A/S (direct)
afgangsprøver.dkEurodns S.A
aigo.dkPunktum dk A/S (direct)
alinea-web.dkPunktum dk A/S (direct)
alinea.dkPunktum dk A/S (direct)
alineaakademi.dkPunktum dk A/S (direct)
alineadigital.dkPunktum dk A/S (direct)
alvids.dkPunktum dk A/S (direct)
aschehoug.dkPunktum dk A/S (direct)
athene.dkPunktum dk A/S (direct)
bingoweb.dkPunktum dk A/S (direct)
biologifaget.dkEurodns S.A
biologifocus.dkPunktum dk A/S (direct)
bliv-klog.dkPunktum dk A/S (direct)
blivklog.dkPunktum dk A/S (direct)
bog.dkPunktum dk A/S (direct)
bookguide.dkPunktum dk A/S (direct)
bornsliv.dkPunktum dk A/S (direct)
campfransk.dkPunktum dk A/S (direct)
campmat.dkPunktum dk A/S (direct)
camptysk.dkPunktum dk A/S (direct)
carlsen.dkPunktum dk A/S (direct)
classteam.dkPunktum dk A/S (direct)
clio.dkEurodns S.A
cliocloud.dkEurodns S.A
clioevalueringsopgaver.dkEurodns S.A
clionoc.dkEurodns S.A
clioonline.dkEurodns S.A
cliopulten.dkEurodns S.A
clioskole.dkEurodns S.A
clioskyen.dkEurodns S.A
cliotræning.dkEurodns S.A
dansk-historie.dkEurodns S.A
dansk-skolen.dkEurodns S.A
danskfessor.dkPunktum dk A/S (direct)
dansklandskabet.dkPunktum dk A/S (direct)
danskskole.dkEurodns S.A
danskskolen.dkEurodns S.A
dansktime.dkEurodns S.A
danskunivers.dkPunktum dk A/S (direct)
denførstelæsning.dkPunktum dk A/S (direct)
didaktiker.dkPunktum dk A/S (direct)
differentiering.dkPunktum dk A/S (direct)
digitalfaget.dkEurodns S.A
dmiklassematematik.dkPunktum dk A/S (direct)
dmimatematik.dkPunktum dk A/S (direct)
dmmatematik.dkPunktum dk A/S (direct)
easyreaders.dkPunktum dk A/S (direct)
edspace.dkPunktum dk A/S (direct)
edulab.dkPunktum dk A/S (direct)
elevlab.dkPunktum dk A/S (direct)
engelskfaget.dkEurodns S.A
engelskfessor.dkPunktum dk A/S (direct)
engelskskoleordbog.dkPunktum dk A/S (direct)
engelskunivers.dkPunktum dk A/S (direct)
erdutalblind.dkPunktum dk A/S (direct)
eskolebog.dkPunktum dk A/S (direct)
europas-historie.dkEurodns S.A
faerdighedsproeven.dkPunktum dk A/S (direct)
familiefessor.dkPunktum dk A/S (direct)
fesor.dkPunktum dk A/S (direct)
fessor.dkPunktum dk A/S (direct)
fessordyst.dkPunktum dk A/S (direct)
fessordysten.dkPunktum dk A/S (direct)
fessorsaktiviteter.dkPunktum dk A/S (direct)
fessorsfamilie.dkPunktum dk A/S (direct)
fessorskurser.dkPunktum dk A/S (direct)
fessorstalkuffert.dkPunktum dk A/S (direct)
filmabc.dkPunktum dk A/S (direct)
fleksbog.dkPunktum dk A/S (direct)
fleksbogen.dkPunktum dk A/S (direct)
flexbog.dkPunktum dk A/S (direct)
fmb.dkPunktum dk A/S (direct)
foraeldrematematik.dkPunktum dk A/S (direct)
forfatter.dkPunktum dk A/S (direct)
forlagetturbo.dkPunktum dk A/S (direct)
forlagmallingbeck.dkPunktum dk A/S (direct)
forlagsliv.dkPunktum dk A/S (direct)
formatnet.dkPunktum dk A/S (direct)
fotomat.dkPunktum dk A/S (direct)
francaisformidable.dkPunktum dk A/S (direct)
franskfessor.dkPunktum dk A/S (direct)
fysik-kemi-timen.dkEurodns S.A
fysik-kemifokus.dkPunktum dk A/S (direct)
fysiktalent.dkPunktum dk A/S (direct)
gekko-engelsk.dkPunktum dk A/S (direct)
gekko-fransk.dkPunktum dk A/S (direct)
gekko-tysk.dkPunktum dk A/S (direct)
gekkotysk.dkPunktum dk A/S (direct)
geografifocus.dkPunktum dk A/S (direct)
geografitimen.dkEurodns S.A
gymnasie-klar.dkPunktum dk A/S (direct)

Showing 100 of 215.

📋 WHOIS#

⏱️ Lookup Timing#

NS
107ms
A
93ms
MX
106ms
AAAA
86ms
TXT
301ms
CAA
100ms
HTTPS
89ms
TLSA
8072ms
SOA
0ms
MTA-STS
104ms
DNSSEC
243ms
SRV
136ms
Total
10121ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-21 11:00:10 641ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-19 04:32:17 1423ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-30 07:56:07 796ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-26 13:46:35 956ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-19 17:54:08 shown 10121ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-18 17:52:55 9486ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-02 11:14:29 932ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-19 18:23:03 807ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-17 09:43:50 507ms 2 NS 2 A 1 MX 🔓 Insecure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone