grundnivo.dk

Records from scan: 2026-10-16 07:29:44 · 1411ms total · last checked 2026-10-19 09:23 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

grundnivo.dk is a .dk domain served by 2 nameservers (ara.ns.cloudflare.com, martin.ns.cloudflare.com). It was registered on 14 September 2026 (WHOIS) and first appeared in the .dk zone on 15 September 2026. Its website address 104.21.50.217 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by grundnivo-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 41ms

Nameserver	IP addresses	PTR	ASN / ISP
ara.ns.cloudflare.com	108.162.192.67 172.64.32.67 173.245.58.67 2606:4700:50::adf5:3a43 2803:f800:50::6ca2:c043 2a06:98c1:50::ac40:2043	ara.ns.cloudflare.com ara.ns.cloudflare.com ara.ns.cloudflare.com ara.ns.cloudflare.com ara.ns.cloudflare.com ara.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
martin.ns.cloudflare.com	108.162.195.87 162.159.44.87 172.64.35.87 2606:4700:58::a29f:2c57 2803:f800:50::6ca2:c357 2a06:98c1:50::ac40:2357	martin.ns.cloudflare.com martin.ns.cloudflare.com martin.ns.cloudflare.com martin.ns.cloudflare.com martin.ns.cloudflare.com martin.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 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.50.217	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.210.183	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 55ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	grundnivo-dk.mail.protection.outlook.com	2a01:111:f403:ca09::26 2a01:111:f403:ca21::c 2a01:111:f403:ca21::e 2a01:111:f403:ca3c::a 52.101.209.28 52.101.68.27 52.101.68.29 52.101.68.8	mail-am8pr83cu00106.inbound.protection.outlook.com mail-matpr04cu00204.inbound.protection.outlook.com mail-matpr04cu00306.inbound.protection.outlook.com mail-zrxpr07cu00102.inbound.protection.outlook.com mail-cpjpr05cu00104.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.154.136

🔷 AAAA Records (IPv6)#

2 records 38ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3036::6815:32d9	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:d2b7	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 42ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.50.217,172.67.210.183 ech=AEX+DQBB9wAgACDKoIUe4yqsNQGpGQpwZ4DvOsRIPR9GsXZSAzjDDvfADAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3036::6815:32d9,2606:4700:3037::ac43:d2b7

📝 TXT Records#

3 records 189ms

TXT Record
google-site-verification=WqV8q-TUJRhCvrvucezLYgc-xngoHBb5TNciG5ElZ6k
MS=ms44689563
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (grundnivo.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.grundnivo.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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#

checked 2026-10-16 07:29:44

www	104.21.50.217 172.67.210.183 2606:4700:3036::6815:32d9 2606:4700:3037::ac43:d2b7 (AS13335) (address records, no CNAME)
www vs bare domain	Same network grundnivo.dk: 104.21.50.217 172.67.210.183 2606:4700:3036::6815:32d9 2606:4700:3037::ac43:d2b7 (AS13335) www.grundnivo.dk: 104.21.50.217 172.67.210.183 2606:4700:3036::6815:32d9 2606:4700:3037::ac43:d2b7 (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-grundnivo-dk._domainkey.havardur.r-v1.dkim.mail.microsoft	RSA · ~2048 bit
selector2	selector2-grundnivo-dk._domainkey.havardur.r-v1.dkim.mail.microsoft	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

69ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

48ms

Field	Value
Serial	2417552226
Primary NS (MNAME)	ara.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-16 07:53:25

Field	Value
Registrar	Simply.com A/S
Registered	2026-09-14
Expires	2027-09-13 (328d)

🔗 Same registrant#

1 domain

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).

Domain	Registrar
olsenarkitekter.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

41ms

43ms

55ms

AAAA

38ms

TXT

189ms

CAA

57ms

HTTPS

42ms

TLSA

940ms

SOA

48ms

MTA-STS

73ms

DNSSEC

69ms

SRV

83ms

Total

1411ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 07:29:44 shown	1411ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-03 19:19:34	2608ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-02 19:16:01	1159ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-02 12:26:06	2420ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-30 11:51:16	896ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-27 22:31:04	2940ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-26 22:07:57	1599ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-26 09:15:59	955ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-23 09:05:07	1284ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-19 20:24:41	507ms	3 NS 0 A 0 MX	🔒 Secure
2026-09-15 10:01:35	936ms	1 NS 0 A 0 MX	❓ Unknown