struertelt.dk

📜 Historical scan 2026-08-23 17:47:53  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

struertelt.dk is a .dk domain served by 2 nameservers (barbara.ns.cloudflare.com, justin.ns.cloudflare.com). It was registered on 25 January 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.3.30 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by struertelt-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a 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   98ms
NameserverIP addressesPTRASN / ISP
barbara.ns.cloudflare.com 108.162.192.248
172.64.32.248
173.245.58.248
2606:4700:50::adf5:3af8
2803:f800:50::6ca2:c0f8
2a06:98c1:50::ac40:20f8		 barbara.ns.cloudflare.com
barbara.ns.cloudflare.com
barbara.ns.cloudflare.com
barbara.ns.cloudflare.com
barbara.ns.cloudflare.com
barbara.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
justin.ns.cloudflare.com 108.162.193.187
172.64.33.187
173.245.59.187
2606:4700:58::adf5:3bbb
2803:f800:50::6ca2:c1bb
2a06:98c1:50::ac40:21bb		 justin.ns.cloudflare.com
justin.ns.cloudflare.com
justin.ns.cloudflare.com
justin.ns.cloudflare.com
justin.ns.cloudflare.com
justin.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   99ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.3.30 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.130.37 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   114ms
PriorityTTLMail ServerIP addressesPTRASN
0 86400s struertelt-dk.mail.protection.outlook.com 2a01:111:f403:ca04::c
2a01:111:f403:ca04::f
2a01:111:f403:ca09::8
2a01:111:f403:ca09::c
52.101.68.25
52.101.68.5
52.101.68.8
52.101.73.28		 mail-db9pr02cu00204.inbound.protection.outlook.com
mail-db7pr03cu00507.inbound.protection.outlook.com
mail-as2pr05cu00100.inbound.protection.outlook.com
mail-as8pr05cu00304.inbound.protection.outlook.com
mail-db8pr02cu00101.inbound.protection.outlook.com
mail-du2pr03cu00105.inbound.protection.outlook.com
mail-du0pr03cu00100.inbound.protection.outlook.com
mail-am7pr05cu00204.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#

ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 40.104.116.40

🔷 AAAA Records (IPv6)#

2 records   101ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3032::ac43:8225 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3035::6815:31e 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   116ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.3.30,172.67.130.37 ech=AEX+DQBBIgAgACDOtQ3053aPAPHpudun+X+XZqInF7Z+ecPSgFoIC0EzYgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:8225,2606:4700:3035::6815:31e

🔌 SRV Records#

1 records   175ms
ServicePriorityWeightPortTarget
_sipfederationtls._tcp 100 1 5061 sipfed.online.lync.com

📝 TXT Records#

3 records   342ms
TXT Record
google-site-verification=o5afg-ypdwnwyiyunh0t-urhbnfeyj5gdw3jdzlf6vq
MS=ms42803602
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

PolicyRecord (struertelt.dk)
-all (hard fail) v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

PolicyRecord (_dmarc.struertelt.dk)
p=reject v=DMARC1; p=reject; adkim=s; aspf=s;

📬 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 2026-10-16 08:44:22
www104.21.3.30 172.67.130.37 2606:4700:3032::ac43:8225 2606:4700:3035::6815:31e (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo

🔎 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#

229ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2412946458
Primary NS (MNAME)barbara.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-13 07:23:47
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2021-01-25
Expires2027-01-31 (104d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet
📋 WHOIS#

⏱️ Lookup Timing#

NS
98ms
A
99ms
MX
114ms
AAAA
101ms
TXT
342ms
CAA
109ms
HTTPS
116ms
TLSA
448ms
SOA
0ms
MTA-STS
128ms
DNSSEC
229ms
SRV
175ms
Total
4654ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-02 09:47:09 756ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-23 17:47:53 shown 4654ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-22 13:30:52 5988ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-04 21:12:39 10549ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-24 15:54:03 1346ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-22 06:45:53 768ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-17 11:48:48 979ms 2 NS 2 A 1 MX 🔓 Insecure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone